
OptoCharts - All eye tests
The most comprehensive app for all eye tests; visual acuity & more.
Shadi AboelNaga · com.shadinaga.OptoCharts
- Signature matches the Google Play version Details
At a glance
- Latest version
- v6.0 (40)
- Updated
- Jun 19, 2026 (4 months ago)
- APK size
- 17.8 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Medical (app)
- Listed since
- Mar 19, 2021 (at least)
- Permissions
- 17 (5 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
OptoCharts - All eye tests is an app by Shadi AboelNaga in the Medical category, listed since at least March 2021. It has no native code, so it runs on any Android processor.
It asks for 17 permissions, 5 of them sensitive, including precise location, approximate location and read shared storage. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
What's new in v6.0
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jun 19, 2026.
- Certificate issued to “Shadi Naga Projects” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Jun 19, 2026
- Validated against Google Play Jun 19, 2026
- Signed byCN=Shadi AboelNaga, OU=Android apps, O=Shadi Naga Projects, L=Alexandria, ST=Alexandria Governorate, C=eg
- Signing certificate (SHA-1)8F:DE:31:73:64:D4:58:D9:80:8A:60:49:89:F0:81:3E:5A:3F:43:0F
- File MD527ac2eaafd4c1caa3a014297d94b0739
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (17)
OptoCharts - All eye tests requests 17 permissions, 5 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Nearby wifi devices Sensitive android.permission.NEARBY_WIFI_DEVICES
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Advertising ID com.google.android.gms.permission.AD_ID
- Bluetooth android.permission.BLUETOOTH
- Bluetooth admin android.permission.BLUETOOTH_ADMIN
- Change network state android.permission.CHANGE_NETWORK_STATE
- Change wifi state android.permission.CHANGE_WIFI_STATE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.shadinaga.OptoCharts.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Location android.hardware.location
- Wi-Fi android.hardware.wifi
OptoCharts - All eye tests APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is OptoCharts - All eye tests free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the OptoCharts - All eye tests APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 27ac2eaafd4c1caa3a014297d94b0739.