Optimum: f. r. s. app icon

Optimum: f. r. s.

Optimum online reporting system: field reporting system

OPTIMUM: field reporting system · com.optimum3.client

Not rated yet 50K+ downloads v3.23.8 27.3 MB Android 7.0+ PEGI 3 · Everyone

Download APK 27.3 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v3.23.8 (1016)
Updated
Sep 10, 2026 (1 month ago)
APK size
27.3 MB
Requires
Android 7.0+ (API 24)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics
OpenGL ES 2.0+
Category
Business (app)
Listed since
Sep 27, 2021 (at least)
Permissions
45 (9 sensitive)
Website
ofrs.su
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Optimum: f. r. s. is an app by OPTIMUM: field reporting system in the Business category, listed since at least September 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.

Since version 3.21.2, the minimum Android version rose from 5.0 to 7.0. It asks for 45 permissions, 9 of them sensitive, including precise location, location in the background and camera. It asks for the same permissions as version 3.23.7.

What's new in v3.23.8

Исправление ошибок и оптимизация работы

Description

From the listing uploaded by “appupdater”.

The application allows all users to work in the system. By installing this application and working through it, the user is solely responsible for the safety of data, the loss of which may occur as a result of incorrect device operation, actions or without user actions.

Version history

5 versions are listed, going back to v3.21.2. New versions arrive here every few months. Since v3.23.1 it requires Android 7.0+.

v3.23.8 LATEST Sep 10, 2026 27.3 MB TRUSTED v3.23.7 Aug 7, 2026 27.3 MB TRUSTED v3.23.6 Aug 3, 2026 27.3 MB TRUSTED v3.23.1 Feb 18, 2026 27.3 MB TRUSTED v3.21.2 Nov 30, 2025 42.1 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 10, 2026.
  • 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 4 other versions checked

Store checks and file details

  • Developer signature verified Sep 10, 2026
  • Validated against Google Play Sep 10, 2026
  • Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
  • Signing certificate (SHA-1)7A:DD:27:71:3A:06:C8:E6:93:38:61:F6:8A:30:DB:C2:2F:07:D5:D6
  • File MD5b6a2e880f046a6fa7a1423df86247eb6
  • 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 (4 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (45)

Optimum: f. r. s. requests 45 permissions, 9 of them sensitive.

Required hardware & features

Optimum: f. r. s. APK: questions and answers

Is there a version of Optimum: f. r. s. for older Android phones?

The current version needs Android 7.0 or later. Version 3.21.2 is the newest listed build that installs on Android 5.0 and later. Get version 3.21.2 · All versions

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 Optimum: f. r. s. 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 4 other versions checked. After downloading, check that the file's MD5 is b6a2e880f046a6fa7a1423df86247eb6.

Tags

optimum3 client business optimum: f.r.s.

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