# O vs FBCLM

The clearest difference is update cadence: O at monthly against FBCLM's every 5 months. FBCLM's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

O ships an update monthly, FBCLM every 5 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | O | FBCLM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 21 MB | 36 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TracTrac Aps](https://appshunter.io/developer/634370677) | [Enric Serrano Murt](https://appshunter.io/developer/1111151114) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-track/id1324947502)

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

**In-app purchases:** none


### FBCLM

[App page](https://appshunter.io/ios/app/fbclm/id1441357476)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is FBCLM free?

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

### Do O or FBCLM have ads?

Neither O nor FBCLM shows ads.

### Which is updated more often, O or FBCLM?

O ships an update monthly, and FBCLM every 5 months. Most recently, O was updated on October 26, 2026 and FBCLM on October 26, 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.*