CPT® QuickRef v4.5.9
APK · 73.9 MB · version code 310 · Android 7.0+ · uploaded Feb 18, 2026
- Signature matches the Google Play version Details
Quick check before downloading
Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v4.6.0, uploaded Aug 18, 2026 — about 6 months after this one.
- Size: this file is 73.9 MB; the latest is 73.3 MB (567.4 KB smaller).
- The latest version no longer asks for: Use biometric hardware, Use fingerprint hardware.
File information
- Version
- v4.5.9 (310)
- Uploaded
- Feb 18, 2026
- Size
- 73.9 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Screen
- Small screens and larger
- MD5
- 1dec4855940be4ea3781ebd113e41efa
- Signing certificate (SHA-1)
- 10:4A:29:1C:4D:CA:74:7C:47:72:34:6A:0B:D6:48:3C:1F:E8:3B:F5
- Signed by
- CN=American Medical Association, O=American Medical Association, L=Chicago, ST=IL, C=US
- File name
- org-ama-assn-cptquickref-310-73606800-1dec4855940be4ea3781ebd113e41efa.apk
- Package
- org.ama_assn.cptquickref
- Downloads (all versions)
- 10K+
- Age rating
- PEGI 3 · Everyone
What's new in v4.5.9
Minor UI Updates.
Permissions (19)
This version requests 19 permissions, 3 of them sensitive.
- Camera Sensitive android.permission.CAMERA
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Advertising ID com.google.android.gms.permission.AD_ID
- Control vibration android.permission.VIBRATE
- 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) org.ama_assn.cptquickref.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Show notifications android.permission.POST_NOTIFICATIONS
- Use biometric hardware android.permission.USE_BIOMETRIC
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- View network connections android.permission.ACCESS_NETWORK_STATE
Security & authenticity
Security rating: Trusted
Signing certificate
- Signature matches the Google Play version Checked by the source store on Feb 18, 2026.
- Certificate issued to “American Medical Association” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks
- Developer signature verified Feb 18, 2026
- Validated against Google Play Feb 18, 2026
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself.
How to install CPT® QuickRef on Android 7.0+
You'll need about 147.7 MB of free space.
- Download the APK — tap Download APK above (73.9 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap org-ama-assn-cptquickref-310-73606800-1dec4855940be4ea3781ebd113e41efa.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be 1dec4855940be4ea3781ebd113e41efa. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. If Google Play Protect shows a warning, read it before you continue: the source store rated this file Trusted, but only install apps from sources you trust. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open CPT® QuickRef — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 7.0+). Download it again, or pick an older version.
- “App not compatible with your device” — this build contains native code for x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit only. Devices with other processors can't install it.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.