Nano SigmaPlus
A tool for you to connect and control your Nano Hearing Aids.
UltraDigi Hearing Technology Co., Ltd. · org.ultradigi.nanohearing
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.0.5 (20007)
- Updated
- Dec 14, 2025 (10 months ago)
- APK size
- 44.9 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Tools (app)
- Listed since
- May 4, 2021 (at least)
- Permissions
- 14 (8 sensitive)
- Website
- nanohearingaids.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Nano SigmaPlus is an app by UltraDigi Hearing Technology Co., Ltd. in the Tools category, listed since at least May 2021. 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.
It asks for 14 permissions, 8 of them sensitive, including precise location, camera and record audio. It asks for the same permissions as version 2.0.4. The app can read the advertising ID that ad and analytics services use.
What's new in v2.0.5
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v2.0.4.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Dec 14, 2025.
- Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Dec 14, 2025
- Validated against Google Play Dec 14, 2025
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)AA:CC:43:79:ED:85:B6:E7:D7:AD:61:8B:49:99:52:42:64:6D:AA:88
- File MD57391d2886ee77e74e9b8b0f8adacf60a
- 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 (14)
Nano SigmaPlus requests 14 permissions, 8 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Bluetooth advertise Sensitive android.permission.BLUETOOTH_ADVERTISE
- Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
- Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
- Camera Sensitive android.permission.CAMERA
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
- Advertising ID com.google.android.gms.permission.AD_ID
- Bluetooth android.permission.BLUETOOTH
- Bluetooth admin android.permission.BLUETOOTH_ADMIN
- Full network access android.permission.INTERNET
- Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Bluetooth android.hardware.bluetooth
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Microphone android.hardware.microphone
- Portrait screen android.hardware.screen.portrait
Nano SigmaPlus 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 the Nano SigmaPlus 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 7391d2886ee77e74e9b8b0f8adacf60a.
