
At a glance
- Latest version
- v2.0.43330.0 (200433300)
- Updated
- Aug 7, 2026 (2 months ago)
- APK size
- 4.4 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Communication (app)
- Listed since
- Dec 14, 2022 (at least)
- Permissions
- 5 (1 sensitive)
- Website
- iz2uuf.net/cw
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
IZ2UUF Morse Koch CW is an app by IZ2UUF in the Communication category, listed since at least December 2022. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.0.36538, the minimum Android version rose from 4.1 to 6.0. It asks for 5 permissions, 1 of them sensitive: read phone status and identity. It asks for the same permissions as version 2.0.36538. The app offers in-app purchases through Google Play.
What's new in v2.0.43330.0
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v2.0.36538. Since v2.0.43330.0 it requires Android 6.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Aug 7, 2026.
- Certificate issued to “IZ2UUF” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Aug 7, 2026
- Validated against Google Play Aug 7, 2026
- Signed byCN=Davide Achilli, OU=development, O=IZ2UUF, L=Cesano Boscone, ST=MI, C=IT
- Signing certificate (SHA-1)BD:71:E5:0C:E2:23:B2:1F:14:B5:84:0A:6A:06:A9:8D:DB:D1:8C:4A
- File MD53cdbaa704c3aac231d7f01d9623b8858
- 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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (5)
IZ2UUF Morse Koch CW requests 5 permissions, 1 of them sensitive.
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Full network access android.permission.INTERNET
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) net.iz2uuf.cwkoch.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
IZ2UUF Morse Koch CW 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 IZ2UUF Morse Koch CW free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the IZ2UUF Morse Koch CW 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. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 3cdbaa704c3aac231d7f01d9623b8858.