Mobile app · Utilities & files

Is it Prime

Prime number check.

Completely free
Android
Open source

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

Report an error

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

Technical details

Pricing: Completely freeconfirmed by F-Droid
License: GPL-3.0+ — Open source (copyleft)confirmed by F-Droid
Open source: Yes
Commercial use: Yesconfirmed by F-Droid
Account required: not documented
Credit card required: Noconfirmed by F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid
Distribution: Available on F-Droid
Publisher: Bodo Bauer
Latest version: 1.10 (1 December 2025)
Latest activity: 1 December 2025
Source code: gitlab.com/bodoba/is-it-prime

At a glance

All of Is it Prime is free: no feature is locked behind a paid plan, and its code is open.

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 advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 5 November 2026
Description from F-Droid — F-Droid (citation courte)

How listings are built →

Do you develop Is it Prime?

Correct this listing with the report form, or cite it with this optional badge (it shows the verified free status and changes nothing in the ranking):

<a href="https://licitpro.fr/en/resource/is-it-prime"><img src="https://licitpro.fr/badge/is-it-prime.svg?l=en" alt="Listed on LicitPro" height="20"></a>

Developers and publishers →