
Rainbow - Cloud storage app
The easiest way to transfer data between cloud services.Sync your folders.Share
i-SmartSolutions · com.ismartsolutions.Rainbow
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.9.3 (47)
- Updated
- Mar 24, 2026 (7 months ago)
- APK size
- 23.1 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Productivity (app)
- Listed since
- Feb 17, 2021 (at least)
- Permissions
- 11 (1 sensitive)
- Website
- i-smartsolutions.com/rainbow
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Rainbow - Cloud storage app is an app by i-SmartSolutions in the Productivity category, listed since at least February 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 11 permissions, 1 of them sensitive: 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 v2.9.3
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Mar 24, 2026.
- Certificate issued to “i-SmartSolutions” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Mar 24, 2026
- Validated against Google Play Mar 24, 2026
- Signed byCN=Vasilis Gkanis, O=i-SmartSolutions, L=Chalkida, ST=Evia, C=GR
- Signing certificate (SHA-1)9F:EA:C6:C1:FE:C7:FF:DA:0C:EC:8C:BC:56:D7:50:4C:64:30:FC:AC
- File MD56d2f9a4c5561c68049717fe0800fe334
- 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 (11)
Rainbow - Cloud storage app requests 11 permissions, 1 of them sensitive.
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Advertising ID com.google.android.gms.permission.AD_ID
- 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.ismartsolutions.Rainbow.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Read internal storage android.permission.READ_INTERNAL_STORAGE
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
- Write internal storage android.permission.WRITE_INTERNAL_STORAGE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Rainbow - Cloud storage app 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 Rainbow - Cloud storage app free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Rainbow - Cloud storage app 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 6d2f9a4c5561c68049717fe0800fe334.