# SUNN vs Balise FMS

The clearest difference is update cadence: Balise FMS at every 2 weeks against SUNN's every 6 months. On price, ads, 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.

SUNN ships an update every 6 months, Balise FMS every 2 weeks. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SUNN | Balise FMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 42 MB | 36 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manufacture Francaise du Cycle](https://appshunter.io/developer/1513108328) | [Follow My Sport](https://appshunter.io/developer/1770274596) |

## What reviewers say

### SUNN

[App page](https://appshunter.io/ios/app/sunn/id1614621536)

Connect your SUNN electric bike to your smartphone via Bluetooth to manage its features. Secure your electric assistance, view ride data, track your environmental impact, and record your journeys. For bikes with GPS and alarm, locate your bike and receive alerts for suspicious activity.

**Highlights:** Bluetooth connectivity, Secure electric assistance, Ride data dashboard, Environmental impact tracking, Journey recording, GPS tracking, Alarm activation

**Features:** Vision Pro support

**In-app purchases:** none


### Balise FMS

[App page](https://appshunter.io/ios/app/balise-fms/id6667120708)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUNN free?

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

### Is Balise FMS free?

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

### Do SUNN or Balise FMS have ads?

Neither SUNN nor Balise FMS shows ads.

### Which is updated more often, SUNN or Balise FMS?

SUNN ships an update every 6 months, and Balise FMS every 2 weeks. Most recently, SUNN was updated on September 28, 2026 and Balise FMS on October 1, 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.*