# FDM vs RollCall Grappling

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.

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.

## The numbers

| Metric | FDM | RollCall Grappling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (5 ratings)](https://appshunter.io/ios/app/fdm/id1269568371/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 13 MB | 14 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Freelap SA](https://appshunter.io/developer/1068866607) | [Lucas Moeller](https://appshunter.io/developer/1857074865) |

## What reviewers say

### FDM

[App page](https://appshunter.io/ios/app/fdm/id1269568371)

Manage and configure your Freelap timing devices wirelessly via Bluetooth. Update firmware, change device names, and ensure your equipment is ready for use.

**Highlights:** Bluetooth configuration, Device firmware updates, Rename devices, Manage Freelap devices

**Features:** macOS Compatibility

**In-app purchases:** none


### RollCall Grappling

[App page](https://appshunter.io/ios/app/rollcall-grappling/id6761694977)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FDM free?

FDM is free to download, with no in-app purchases.

### Is RollCall Grappling free?

RollCall Grappling is free to download, with no in-app purchases.

### Do FDM or RollCall Grappling have ads?

RollCall Grappling shows ads; FDM does not.

### Which is updated more often, FDM or RollCall Grappling?

FDM ships an update every 2 months, and RollCall Grappling monthly. Most recently, FDM was updated on September 24, 2026 and RollCall Grappling on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*