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Zillow: Homes for Sale & Rent

Zillow Group · Build 2026.76.1.134858

com.zillow.android.zillowmap
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Static analysis completeScanned 2026-10-12 15:18 UTC

Static checks identify review items, not a guarantee of safety.

Overview

Analysis recorded

6 finding categories to review

Zillow: Homes for Sale & Rent (com.zillow.android.zillowmap) scored grade A, 90 out of 100, in a static scan of version 2026.76.1.134858 on 2026-10-12. It has no high or critical findings, and 6 lower-severity finding categories across 11 occurrences. 12 tracking SDKs are present in the package, which describes what ships, not what runs or what it sends. This is static analysis of a single build: it does not observe the app running and does not establish that any data is exposed.

Finding categories611 occurrences
High / critical0Category count
Tracking SDKs12Presence, not observed traffic
Assessment score90 / 100Grade A

Start with these findings

mediumShort signing key (RSA 1024-bit)1 occurrence

Interpretation & review guidance

The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
Open in all findingsRequest a correction
lowFirebase Realtime Database reference1 occurrence

Interpretation & review guidance

A Firebase Realtime Database URL. Nearly every app that uses Firebase ships one. It's only an exposure if the database rules are world-readable — that's what live verification checks.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
Open in all findingsRequest a correction
lowFirebase Storage bucket reference1 occurrence

Interpretation & review guidance

A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.
Open in all findingsRequest a correction
View all 6 categories

Privacy

31 requested permissions · 7 flagged high-risk classes.

Review privacy signals →

Build & components

133 components recorded. Certificate parsing does not validate APK signature integrity.

Inspect build evidence →
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Findings

6 categories · 11 occurrences. Severity totals describe categories. Expand a finding for interpretation and review guidance.

mediumShort signing key (RSA 1024-bit)1 occurrence

Interpretation & review guidance

The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Signing metadata
Representative location
META-INF/signing:key
Recorded match
RSA-1024
Detector rule
signing
Recorded file locations
  • META-INF/signing:key

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowFirebase Realtime Database reference1 occurrence

Interpretation & review guidance

A Firebase Realtime Database URL. Nearly every app that uses Firebase ships one. It's only an exposure if the database rules are world-readable — that's what live verification checks.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
resources.arsc
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
firebase_db
Recorded file locations
  • resources.arsc

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Search recorded evidence and save private review notes with Pro. $99/month plus applicable tax.

Link to categoryRequest a correction
lowFirebase Storage bucket reference1 occurrence

Interpretation & review guidance

A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
resources.arsc
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
firebase_storage_bucket
Recorded file locations
  • resources.arsc

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowGoogle API key (client-shipped; restriction unverified)5 occurrences

Interpretation & review guidance

Android apps are designed to ship Google API keys in the client; Google restricts them by app signing certificate + enabled API. This is only a problem if the key is left unrestricted — presence alone is expected, not an exposure.

Evidence
5 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
classes3.dex
Recorded match
AIza•••••••• (21–40 chars, redacted)
Detector rule
google_api_key
Recorded file locations
  • classes3.dex

5 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
lowSentry DSN2 occurrences

Interpretation & review guidance

A Sentry DSN. These are client-side by design (embedded in apps to send crash reports), so presence is expected; it only lets someone send events to the project, not read data. Low severity — included for inventory.

Evidence
2 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Static string match
Representative location
classes4.dex
Recorded match
Pattern recorded; identifying value redacted.
Detector rule
sentry_dsn
Recorded file locations
  • classes4.dex

2 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction
infoApplication data is backup-enabled1 occurrence

Interpretation & review guidance

The app allows Android backups (android:allowBackup="true"). App data can then be extracted via adb backup on many devices — a concern if the app stores tokens or personal/health/payment data locally. Common and low-severity, but worth disabling for sensitive apps.

Evidence
1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
Verification
Static detection; current reachability is not established.

Evidence preview

Evidence type
Parsed app configuration
Representative location
AndroidManifest.xml
Recorded match
android:allowBackup="true"
Detector rule
manifest
Recorded file locations
  • AndroidManifest.xml

1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.

Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.

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Link to categoryRequest a correction

Privacy signals

Capabilities and bundled software do not prove that data was collected or transmitted.

Requested permissions31
Flagged high-risk classes7
Detected SDKs12

Precise location Approx. location Camera Microphone Phone state Accounts Storage

Requested permission inventory (31)
  • android.permission.ACCESS_ADSERVICES_AD_ID
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION
  • android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE
  • android.permission.ACCESS_ADSERVICES_TOPICS
  • android.permission.ACCESS_COARSE_LOCATION
  • android.permission.ACCESS_FINE_LOCATION
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.ACCESS_WIFI_STATE
  • android.permission.CAMERA
  • android.permission.CHANGE_NETWORK_STATE
  • android.permission.FOREGROUND_SERVICE
  • android.permission.GET_ACCOUNTS
  • android.permission.INTERNET
  • android.permission.MODIFY_AUDIO_SETTINGS
  • android.permission.POST_NOTIFICATIONS
  • android.permission.READ_BASIC_PHONE_STATE
  • android.permission.READ_EXTERNAL_STORAGE
  • android.permission.READ_PHONE_NUMBERS
  • android.permission.READ_PHONE_STATE
  • android.permission.RECORD_AUDIO
  • android.permission.USE_CREDENTIALS
  • android.permission.VIBRATE
  • android.permission.WAKE_LOCK
  • android.permission.WRITE_EXTERNAL_STORAGE
  • com.google.android.c2dm.permission.RECEIVE
  • com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
  • com.google.android.gms.permission.AD_ID
  • com.google.android.providers.gsf.permission.READ_GSERVICES
  • com.zillow.android.zillowmap.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
  • com.zillow.android.zillowmap.permission.MAPS_RECEIVE
  • com.zillow.android.zillowmap.permission.UA_DATA

Data collection & flow (privacy signal, not part of the grade)

Data the app can access
Camera
Camera
Location
Precise locationApproximate location
Microphone
Microphone
Personal info
Device accounts
Phone
Phone state / numberPhone number
Photos & files
Storage (write)
Persistent identifiers (referenced in code)
Advertising ID (AAID)Android IDDevice ID / IMEISIM serialHardware MAC address
Where it can go
Third parties present (9)
Google AdMobComscoreDatadog RUMGoogle Analytics for FirebaseGoogle Firebase AnalyticsMeta / Facebook SDKNew RelicAdjustAirship
  • Precise location, Approximate location requested while 2 ad/attribution SDK(s) are present (Google AdMob, Adjust) — location commonly feeds ad targeting.
  • Persistent-identifier APIs referenced in code (Advertising ID (AAID), Android ID, Device ID / IMEI +2 more) with 9 analytics/ad SDK(s) present — the mechanism used for cross-app profiling.
  • Camera, Microphone, Personal info, Phone, Photos & files data requested with third-party analytics/ad SDKs present.

This maps what the app can access (permissions it requests, identifier APIs its code references) to the third parties bundled in it. It reflects capability and SDK presence — not proof that a specific value was transmitted.

Data Safety: declared vs observed (Play label vs our analysis)

Declared collected
App activityApp info and performanceDevice or other IDsFiles and docsLocationPersonal infoPhotos and videos
Declared shared
App activityDevice or other IDsFiles and docsPersonal infoPhotos and videos
We observe the app can access
Location
✓ No obvious mismatch between the declaration and what we observe.

We compare the developer's Google Play Data Safety declaration with what the binary can actually do (permissions it requests, identifier APIs and third-party SDKs it ships). A mismatch is a capability signal to confirm — a requested permission is not proof of collection.

Trackers & SDKs (12 detected · privacy signal, not part of the grade)

Advertising
Google AdMob
Analytics
ComscoreDatadog RUMGoogle Analytics for FirebaseGoogle Firebase AnalyticsMeta / Facebook SDKNew Relic
Attribution
Adjust
Consent
Google UMP (consent)IAB TCF
Crash reporting
Sentry
Push/Analytics
Airship

Build & components

Scanned build 2026.76.1.134858. Store metadata may describe a newer release.

APK SHA-2566d492d97509c33bcc3348c7b18ea89c8e27f4b3bc6038ff3a868e5550cb93300

Signing certificate (who signed this build — factual, not part of the grade)

Signer
Zillow, Inc. self-signed
Scheme
V3V2
Key
RSA 1024-bit
Algorithm
sha1WithRSA
Validity
2009-12-08 → 2051-01-02
Cert SHA-256
fb:cc:b2:e4:36:05:9a:ae:b8:30:9b:e3:b1:8c:d0:91:cd:e3:8d:c7:a2:de:4d:80:a5:f0:1e:7b:47:70:d2:38

The certificate fingerprint identifies the parsed signing certificate. Knowing this public fingerprint does not establish ownership or validate the APK signature.

Signature integrity: not established by certificate parsing.

Component inventory

133 components. Advisory matching covers a curated set; no match is not proof that a component is vulnerability-free.

Bundled components and recorded advisory matches
ComponentVersionAdvisory matches
androidx.activity:activity1.13.0None recorded
androidx.activity:activity-compose1.13.0None recorded
androidx.activity:activity-ktx1.13.0None recorded
androidx.annotation:annotation-experimental1.5.0None recorded
androidx.appcompat:appcompat1.8.0None recorded
androidx.appcompat:appcompat-resources1.8.0None recorded
androidx.asynclayoutinflater:asynclayoutinflater1.0.0None recorded
androidx.autofill:autofill1.0.0None recorded
androidx.browser:browser1.10.0None recorded
androidx.cardview:cardview1.0.0None recorded
androidx.compose.animation:animation1.11.4None recorded
androidx.compose.animation:animation-core1.11.4None recorded
androidx.compose.foundation:foundation1.11.4None recorded
androidx.compose.foundation:foundation-layout1.11.4None recorded
androidx.compose.material3:material31.4.0None recorded
androidx.compose.material3:material3-window-size-class1.4.0None recorded
androidx.compose.material:material-icons-core1.7.8None recorded
androidx.compose.material:material-ripple1.11.4None recorded
androidx.compose.runtime:runtime1.11.4None recorded
androidx.compose.runtime:runtime-annotation1.11.4None recorded
androidx.compose.runtime:runtime-livedata1.11.4None recorded
androidx.compose.runtime:runtime-retain1.11.4None recorded
androidx.compose.runtime:runtime-saveable1.11.4None recorded
androidx.compose.ui:ui1.11.4None recorded
androidx.compose.ui:ui-geometry1.11.4None recorded
androidx.compose.ui:ui-graphics1.11.4None recorded
androidx.compose.ui:ui-text1.11.4None recorded
androidx.compose.ui:ui-tooling-preview1.11.4None recorded
androidx.compose.ui:ui-unit1.11.4None recorded
androidx.compose.ui:ui-util1.11.4None recorded
androidx.compose.ui:ui-viewbinding1.11.4None recorded
androidx.constraintlayout:constraintlayout2.2.2None recorded
androidx.constraintlayout:constraintlayout-compose1.1.2None recorded
androidx.coordinatorlayout:coordinatorlayout1.3.0None recorded
androidx.core:core1.19.0None recorded
androidx.core:core-ktx1.19.0None recorded
androidx.core:core-viewtree1.0.0None recorded
androidx.cursoradapter:cursoradapter1.0.0None recorded
androidx.customview:customview1.2.0None recorded
androidx.customview:customview-poolingcontainer1.0.0None recorded
androidx.databinding:baseAdapters9.1.1None recorded
androidx.databinding:databindingKtx9.1.1None recorded
androidx.databinding:library9.1.1None recorded
androidx.databinding:viewbinding9.1.1None recorded
androidx.datastore:datastore1.2.1None recorded
androidx.datastore:datastore-core1.2.1None recorded
androidx.datastore:datastore-preferences1.2.1None recorded
androidx.datastore:datastore-preferences-core1.2.1None recorded
androidx.documentfile:documentfile1.0.0None recorded
androidx.dynamicanimation:dynamicanimation1.1.0None recorded
androidx.emoji2:emoji21.6.0None recorded
androidx.emoji2:emoji2-emojipicker1.6.0None recorded
androidx.emoji2:emoji2-views-helper1.6.0None recorded
androidx.exifinterface:exifinterface1.4.2None recorded
androidx.fragment:fragment1.9.0None recorded
androidx.fragment:fragment-ktx1.9.0None recorded
androidx.graphics:graphics-path1.0.1None recorded
androidx.graphics:graphics-shapes1.0.1None recorded
androidx.interpolator:interpolator1.0.0None recorded
androidx.legacy:legacy-support-core-ui1.0.0None recorded
androidx.legacy:legacy-support-core-utils1.0.0None recorded
androidx.legacy:legacy-support-v41.0.0None recorded
androidx.lifecycle:lifecycle-livedata2.11.0None recorded
androidx.lifecycle:lifecycle-livedata-core2.11.0None recorded
androidx.lifecycle:lifecycle-livedata-core-ktx2.11.0None recorded
androidx.lifecycle:lifecycle-livedata-ktx2.11.0None recorded
androidx.lifecycle:lifecycle-process2.11.0None recorded
androidx.lifecycle:lifecycle-runtime2.11.0None recorded
androidx.lifecycle:lifecycle-runtime-compose2.11.0None recorded
androidx.lifecycle:lifecycle-runtime-ktx2.11.0None recorded
androidx.lifecycle:lifecycle-service2.11.0None recorded
androidx.lifecycle:lifecycle-viewmodel2.11.0None recorded
androidx.lifecycle:lifecycle-viewmodel-compose2.11.0None recorded
androidx.lifecycle:lifecycle-viewmodel-ktx2.11.0None recorded
androidx.lifecycle:lifecycle-viewmodel-savedstate2.11.0None recorded
androidx.loader:loader1.0.0None recorded
androidx.localbroadcastmanager:localbroadcastmanager1.1.0None recorded
androidx.media:media1.0.0None recorded
androidx.metrics:metrics-performance1.0.0-beta03None recorded
androidx.navigation:navigation-common2.9.8None recorded
androidx.navigation:navigation-compose2.9.8None recorded
androidx.navigation:navigation-fragment2.9.8None recorded
androidx.navigation:navigation-fragment-ktx2.9.8None recorded
androidx.navigation:navigation-runtime2.9.8None recorded
androidx.navigation:navigation-ui2.9.8None recorded
androidx.navigation:navigation-ui-ktx2.9.8None recorded
androidx.navigationevent:navigationevent1.0.0None recorded
androidx.navigationevent:navigationevent-compose1.0.0None recorded
androidx.paging:paging-common3.5.1None recorded
androidx.paging:paging-compose3.5.1None recorded
androidx.paging:paging-runtime3.5.1None recorded
androidx.paging:paging-runtime-ktx3.5.1None recorded
androidx.print:print1.1.0None recorded
androidx.privacysandbox.ads:ads-adservices1.0.0-beta05None recorded
androidx.privacysandbox.ads:ads-adservices-java1.0.0-beta05None recorded
androidx.profileinstaller:profileinstaller1.4.1None recorded
androidx.recyclerview:recyclerview1.4.0None recorded
androidx.room:room-ktx2.8.5None recorded
androidx.room:room-paging2.8.5None recorded
androidx.room:room-runtime2.8.5None recorded
androidx.room:room-rxjava32.8.5None recorded
androidx.savedstate:savedstate1.5.0None recorded
androidx.savedstate:savedstate-compose1.5.0None recorded
androidx.savedstate:savedstate-ktx1.5.0None recorded
androidx.security:security-crypto1.1.0None recorded
androidx.slidingpanelayout:slidingpanelayout1.2.0None recorded
androidx.sqlite:sqlite2.6.2None recorded
androidx.sqlite:sqlite-framework2.6.2None recorded
androidx.startup:startup-runtime1.2.0None recorded
androidx.swiperefreshlayout:swiperefreshlayout1.2.0None recorded
androidx.tracing:tracing2.0.0None recorded
androidx.tracing:tracing-ktx2.0.0None recorded
androidx.transition:transition1.6.0None recorded
androidx.vectordrawable:vectordrawable1.2.0None recorded
androidx.vectordrawable:vectordrawable-animated1.2.0None recorded
androidx.versionedparcelable:versionedparcelable1.1.1None recorded
androidx.viewpager2:viewpager21.1.0None recorded
androidx.viewpager:viewpager1.1.0None recorded
androidx.webkit:webkit1.17.0None recorded
androidx.window:window1.5.1None recorded
androidx.window:window-core1.5.1None recorded
androidx.work:work-runtime2.11.2None recorded
androidx.work:work-runtime-ktx2.11.2None recorded
com.google.android.material:material1.14.0None recorded
com.google.dagger:dagger2.60.1None recorded
com.squareup.okhttp3:okhttp5.5.0None recorded
kotlinx:coroutines_android1.11.0None recorded
kotlinx:coroutines_guava1.11.0None recorded
kotlinx:coroutines_play_services1.11.0None recorded
kotlinx:coroutines_reactive1.11.0None recorded
kotlinx:coroutines_rx31.11.0None recorded
kotlinx:coroutines_slf4j1.11.0None recorded
kotlinx:coroutines_test1.11.0None recorded
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About this app · store information

About this app

Houses for Sale & Homes for Rent: Buy Homes, Rent Apartments & Sell Real Estate

Content ratingEveryone
Download size202.3 MB
Privacy policyPublished →

Screenshots

App screenshotApp screenshotApp screenshotApp screenshotApp screenshotApp screenshot

Scan history

Each row is an observed scan. Gaps between scans do not establish how long a finding existed.

Scanned (UTC)BuildScoreGrade
2026-10-12 15:18 UTC2026.76.1.13485890A
2026-10-05 15:16 UTC2026.74.1.13203490A
2026-09-28 15:14 UTC2026.72.0.13164189B
2026-09-20 14:11 UTC2026.70.0.13125388B
2026-09-11 20:08 UTC2026.66.0.13054688B
2026-09-10 03:18 UTC2026.67.0.130815Not gradedNot graded

View changes between the last two scans →

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Exports describe the recorded assessment. Signed evidence proves origin and integrity, not completeness or safety.

SARIFFindings CSVCoverage JSONSigned evidenceSBOM

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apk-scanner.com exposure grade
Markdown
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