FDM vs RollCall Grappling
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FDM
Manage and configure your Freelap timing devices wirelessly via Bluetooth. Update firmware, change device names, and ensure your equipment is ready for use.
- Bluetooth configuration
- Device firmware updates
- Rename devices
- Manage Freelap devices
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Freelap Device Manager allows to update and configure by Bluetooth (BLE) the Freelap devices (Eg. Relay Coach BLE, LED Display, ...). It is also possible to change the name of each device.
RollCall Grappling
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Never miss the events — or the fighters — you actually care about. RollCall is the easiest way to track pro BJJ and submission grappling. Follow your favorite fighters and promotions, get push notifications when they're announced on a card, and always know when and where to watch. WHAT YOU GET • Push notifications when fighters you follow are booked • 24-hour event reminders so you never miss a card • Full event lineups with fight card details • Filter events to just the ones you're following • Dark or light mode, your choice COVERED PROMOTIONS • WNO (Who's Number One) • UFC BJJ • Polaris • ADCC • Craig Jones Invitational (CJI) • ONE Championship grappling BUILT FOR FANS No fluff, no feed to scroll through, no social network to manage. Just the events and fighters you care about, delivered when it matters. Sign in with Apple to sync your follows across devices, or use the app anonymously — it's up to you.
Screenshots
Verdict
The clearest difference is ads: FDM at none against RollCall Grappling's shown. FDM also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, in-app purchases and device support 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.
FDM ships an update every 2 months, RollCall Grappling monthly. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.
| Parameter | FDM | RollCall Grappling |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 13 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Freelap SA | Lucas Moeller |
In-app purchases
FDM
No in-app purchases
RollCall Grappling
No in-app purchases
