Mobile app · Education & science

Calculator M3

Clean, private calculator — no tracking, no ads, optional on-device AI.

Completely free
Android
Open source
No account

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by GitHub, F-Droid
License: GPL-3.0 — Open source (copyleft)confirmed by GitHub, F-Droid
Open source: Yes
Commercial use: Yesconfirmed by GitHub, F-Droid
Account required: Noconfirmed by GitHub
Credit card required: Noconfirmed by GitHub, F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid, GitHub
Distribution: Available on F-Droid
Publisher: Gergely Vagujhelyi
Latest version: 1.5.2 (1 July 2026)
Latest activity: 1 July 2026
Source code: github.com/gergelyvagujhelyi/CalculatorM3

Overview

Features described in its F-Droid listing and in its GitHub repository: hardware acceleration, themes and dark mode.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“✓ Works offline (with an optional on-device AI math solver)” — F-Droid, 10 November 2026
“The model solves it entirely on-device — GPU-accelerated where supported — and streams its working, rendered with proper math formatting” — GitHub, 10 November 2026
“Dark Theme” — GitHub, 10 November 2026

At a glance

Calculator M3 is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No account needed
No advertising
Commercial use allowed

Sources and checks

Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) — 8 November 2026
Facts collected from LicitPro automatic classification () — 8 November 2026
Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 6 November 2026
Description from F-Droid — F-Droid (citation courte)

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