FOSDEM vs PLATF9RM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FOSDEM
This app provides an up-to-date schedule for the European Open Source conference. Star your favorite talks to easily navigate the event and access videos from previous years' sessions. It's a donationware app to help support its development.
- Up-to-date conference schedule
- Favorite talk selection
- Access to previous year's videos
- Offline schedule access
- Donationware model
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Schedule app for FOSDEM, the European Open Source conference. The conference is held in Brussels every year at the beginning of February. This app gives you an up to data schedule and you can star your favorite talk so you can see where to go next. You can also select the schedules of the previous year, and have them selected as favorites (thumbs-up) as well. If there is video available of the talks of the previous years, you can watch the video, so you have something to watch in case the room of your preferred talk is too full. This is donationware. The previous developers (Adam Ziolkowski and Leon Handreke) would like to have some beer donated at the conference. Me, (Johan Henselmans), I prefer a nice cup of coffee, some 'Belgische frieten' and a reserved seat in some talks. FOSDEM name and the 'gear' logo are trademarks of FOSDEM VZW. Used with permission.
PLATF9RM
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The PLATF9RM community app is for members of platf9rm. The app is used by members to connect with the community via the message boards, search the members directory, book conference rooms and manage their membership, profile, and account.
Screenshots
Verdict
The clearest difference is update cadence: PLATF9RM at every 4 months against FOSDEM's every 22 months. FOSDEM's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FOSDEM ships an update every 22 months, PLATF9RM every 4 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.
| Parameter | FOSDEM | PLATF9RM |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| Update frequency | Every 22 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | J Henselmans | platf9rm |
In-app purchases
FOSDEM
No in-app purchases
PLATF9RM
No in-app purchases
