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Demoz Calculator

Techaddis Studio · Build 1.0.9

com.techaddis.demozcalculator
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Static analysis completeScanned 2026-10-13 14:34 UTC

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

Overview

Analysis recorded

2 finding categories to review

Demoz Calculator (com.techaddis.demozcalculator) scored grade A, 99 out of 100, in a static scan of version 1.0.9 on 2026-10-13. It has no high or critical findings, and 2 lower-severity finding categories across 2 occurrences. 4 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 categories22 occurrences
High / critical0Category count
Tracking SDKs4Presence, not observed traffic
Assessment score99 / 100Grade A

Start with these findings

lowGoogle API key (client-shipped; restriction unverified)1 occurrence

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
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
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.
Open in all findingsRequest a correction
View all 2 categories

Privacy

13 requested permissions · 1 flagged high-risk classes.

Review privacy signals →

Build & components

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

Inspect build evidence →
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Findings

2 categories · 2 occurrences. Severity totals describe categories. Expand a finding for interpretation and review guidance.

lowGoogle API key (client-shipped; restriction unverified)1 occurrence

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
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
AIza•••••••• (21–40 chars, redacted)
Detector rule
google_api_key
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.

Preview evidence and Pro tools

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

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.

Preview evidence and Pro tools

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

Link to categoryRequest a correction

Privacy signals

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

Requested permissions13
Flagged high-risk classes1
Detected SDKs4

Camera

Requested permission inventory (13)
  • android.permission.ACCESS_ADSERVICES_AD_ID
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION
  • android.permission.ACCESS_ADSERVICES_TOPICS
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.CAMERA
  • android.permission.FOREGROUND_SERVICE
  • android.permission.INTERNET
  • android.permission.POST_NOTIFICATIONS
  • android.permission.USE_BIOMETRIC
  • android.permission.USE_FINGERPRINT
  • android.permission.WAKE_LOCK
  • com.google.android.gms.permission.AD_ID
  • com.techaddis.demozcalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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

Data the app can access
Camera
Camera
Persistent identifiers (referenced in code)
Android IDDevice ID / IMEI
Where it can go
Third parties present (3)
Google AdMobGoogle Analytics for FirebaseGoogle Firebase Analytics
  • Persistent-identifier APIs referenced in code (Android ID, Device ID / IMEI) with 3 analytics/ad SDK(s) present — the mechanism used for cross-app profiling.
  • Camera 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 activityDevice or other IDs
Declared shared
App activityDevice or other IDs
We observe the app can access
no sensitive access observed
✓ 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 (4 detected · privacy signal, not part of the grade)

Advertising
Google AdMob
Analytics
Google Analytics for FirebaseGoogle Firebase Analytics
Consent
IAB TCF

Build & components

Scanned build 1.0.9. Store metadata may describe a newer release.

APK SHA-256c7807f4461a45d59538062eb83add647c97053586820d0b1abe7d408f9e37424

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

Signer
Techaddis self-signed
Scheme
V2
Key
RSA 2048-bit
Algorithm
sha256WithRSA
Validity
2016-07-03 → 2043-11-19
Cert SHA-256
4f:83:e6:3e:f1:ca:1c:27:f5:e0:94:a4:8a:dd:14:bc:1b:f6:52:1b:fb:70:b4:ec:cc:19:79:04:86:b3:28:49

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

107 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:activity1.9.3None recorded
androidx.activity:activity-compose1.9.3None recorded
androidx.activity:activity-ktx1.9.3None recorded
androidx.annotation:annotation-experimental1.4.1None recorded
androidx.appcompat:appcompat1.7.1None recorded
androidx.appcompat:appcompat-resources1.7.1None recorded
androidx.autofill:autofill1.0.0None recorded
androidx.biometric:biometric1.1.0None recorded
androidx.browser:browser1.8.0None recorded
androidx.camera:camera-camera21.4.1None recorded
androidx.camera:camera-core1.4.1None recorded
androidx.camera:camera-lifecycle1.4.1None recorded
androidx.camera:camera-video1.4.1None recorded
androidx.camera:camera-view1.4.1None recorded
androidx.cardview:cardview1.0.0None recorded
androidx.compose.animation:animation1.7.6None recorded
androidx.compose.animation:animation-core1.7.6None recorded
androidx.compose.foundation:foundation1.7.6None recorded
androidx.compose.foundation:foundation-layout1.7.6None recorded
androidx.compose.material3:material31.3.1None recorded
androidx.compose.material:material1.6.7None recorded
androidx.compose.material:material-icons-core1.7.6None recorded
androidx.compose.material:material-icons-extended1.7.6None recorded
androidx.compose.material:material-ripple1.7.0None recorded
androidx.compose.runtime:runtime1.7.6None recorded
androidx.compose.runtime:runtime-saveable1.7.6None recorded
androidx.compose.ui:ui1.7.6None recorded
androidx.compose.ui:ui-geometry1.7.6None recorded
androidx.compose.ui:ui-graphics1.7.6None recorded
androidx.compose.ui:ui-text1.7.6None recorded
androidx.compose.ui:ui-tooling-preview1.7.6None recorded
androidx.compose.ui:ui-unit1.7.6None recorded
androidx.compose.ui:ui-util1.7.6None recorded
androidx.constraintlayout:constraintlayout-compose1.1.1None recorded
androidx.coordinatorlayout:coordinatorlayout1.1.0None recorded
androidx.core:core1.15.0None recorded
androidx.core:core-ktx1.15.0None recorded
androidx.core:core-remoteviews1.1.0None recorded
androidx.core:core-splashscreen1.0.1None recorded
androidx.cursoradapter:cursoradapter1.0.0None recorded
androidx.customview:customview1.1.0None recorded
androidx.customview:customview-poolingcontainer1.0.0None recorded
androidx.datastore:datastore1.0.0None recorded
androidx.datastore:datastore-preferences1.0.0None recorded
androidx.documentfile:documentfile1.0.0None recorded
androidx.drawerlayout:drawerlayout1.1.1None recorded
androidx.dynamicanimation:dynamicanimation1.0.0None recorded
androidx.emoji2:emoji21.3.0None recorded
androidx.emoji2:emoji2-views-helper1.3.0None recorded
androidx.exifinterface:exifinterface1.3.6None recorded
androidx.fragment:fragment1.5.4None recorded
androidx.glance:glance1.1.1None recorded
androidx.glance:glance-appwidget1.1.1None recorded
androidx.glance:glance-material31.1.1None recorded
androidx.graphics:graphics-path1.0.1None recorded
androidx.hilt:hilt-navigation1.2.0None recorded
androidx.hilt:hilt-navigation-compose1.2.0None recorded
androidx.hilt:hilt-work1.2.0None recorded
androidx.interpolator:interpolator1.0.0None recorded
androidx.legacy:legacy-support-core-utils1.0.0None recorded
androidx.lifecycle:lifecycle-livedata2.8.7None recorded
androidx.lifecycle:lifecycle-livedata-core2.8.7None recorded
androidx.lifecycle:lifecycle-livedata-core-ktx2.8.7None recorded
androidx.lifecycle:lifecycle-process2.8.7None recorded
androidx.lifecycle:lifecycle-runtime2.8.7None recorded
androidx.lifecycle:lifecycle-runtime-compose2.8.7None recorded
androidx.lifecycle:lifecycle-runtime-ktx2.8.7None recorded
androidx.lifecycle:lifecycle-service2.8.7None recorded
androidx.lifecycle:lifecycle-viewmodel2.8.7None recorded
androidx.lifecycle:lifecycle-viewmodel-compose2.8.7None recorded
androidx.lifecycle:lifecycle-viewmodel-ktx2.8.7None recorded
androidx.lifecycle:lifecycle-viewmodel-savedstate2.8.7None recorded
androidx.loader:loader1.0.0None recorded
androidx.localbroadcastmanager:localbroadcastmanager1.0.0None recorded
androidx.navigation:navigation-common2.8.4None recorded
androidx.navigation:navigation-common-ktx2.8.4None recorded
androidx.navigation:navigation-compose2.8.4None recorded
androidx.navigation:navigation-runtime2.8.4None recorded
androidx.navigation:navigation-runtime-ktx2.8.4None recorded
androidx.print:print1.0.0None recorded
androidx.profileinstaller:profileinstaller1.3.1None recorded
androidx.recyclerview:recyclerview1.1.0None recorded
androidx.room:room-ktx2.6.1None recorded
androidx.room:room-runtime2.6.1None recorded
androidx.savedstate:savedstate1.2.1None recorded
androidx.savedstate:savedstate-ktx1.2.1None recorded
androidx.security:security-crypto1.1.0None recorded
androidx.sqlite:sqlite2.4.0None recorded
androidx.sqlite:sqlite-framework2.4.0None recorded
androidx.startup:startup-runtime1.1.1None recorded
androidx.tracing:tracing1.2.0None recorded
androidx.tracing:tracing-ktx1.2.0None recorded
androidx.transition:transition1.5.0None recorded
androidx.vectordrawable:vectordrawable1.1.0None recorded
androidx.vectordrawable:vectordrawable-animated1.1.0None recorded
androidx.versionedparcelable:versionedparcelable1.1.1None recorded
androidx.viewpager2:viewpager21.0.0None recorded
androidx.viewpager:viewpager1.0.0None recorded
androidx.work:work-runtime2.10.0None recorded
androidx.work:work-runtime-ktx2.10.0None recorded
com.google.android.material:material1.12.0None recorded
com.google.dagger:dagger2.51.1None recorded
com.google.dagger:dagger-lint-aar2.51.1None recorded
com.google.dagger:hilt-android2.51.1None recorded
com.google.dagger:hilt-core2.51.1None recorded
kotlinx:coroutines_android1.7.3None recorded
kotlinx:coroutines_core1.7.3None recorded
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About this app · store information

About this app

Ethiopian Salary Calculator & Income/Expense Manager

Content ratingEveryone
Download size8.0 MB
Privacy policyPublished →
Developer sitewww.vertex.et

Screenshots

App screenshotApp screenshotApp 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
2026-10-13 14:34 UTC1.0.999A
2026-10-06 13:30 UTC1.0.999A
2026-09-02 11:12 UTC1.0.998A
2026-09-01 11:50 UTC1.0.998A

View changes between the last two scans →

Export & share

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

SARIFFindings CSVCoverage JSONSigned evidenceSBOM

Coverage & gap matrix · Verify signed evidence

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Embed this grade

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apk-scanner.com exposure grade
Markdown
[![apk-scanner.com exposure grade](https://apk-scanner.com/app/com.techaddis.demozcalculator/badge.svg)](https://apk-scanner.com/app/com.techaddis.demozcalculator)
HTML
<a href="https://apk-scanner.com/app/com.techaddis.demozcalculator"><img src="https://apk-scanner.com/app/com.techaddis.demozcalculator/badge.svg" alt="apk-scanner.com exposure grade" height="20"></a>

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API users can request authenticated, scan-specific exports at /v1/scans/10718910-9451-4afb-8847-eb525bca59a8/findings.sarif (also coverage.json and proof.json).

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