# O vs Passerelle

The clearest difference is in-app purchases: O at none against Passerelle's 2. O also leads on update cadence (fortnightly vs every 5 weeks). Passerelle's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Passerelle sells 2 in-app purchases, starting at $0.99 per month. O asks for nothing beyond the download.

O ships an update fortnightly, Passerelle every 5 weeks. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | O | Passerelle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 56 MB | 75 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mandjou Dama](https://appshunter.io/developer/1814954469) | [Luis Lujien](https://appshunter.io/developer/1833799477) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-bambu/id6746059635)

**In-app purchases:** none


### Passerelle

[App page](https://appshunter.io/ios/app/passerelle-le-carnet/id6751173033)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $8.99 | per year |


## Frequently asked questions

### Is O free?

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

### Is Passerelle free?

Passerelle is free to download, with in-app purchases available.

### Do O or Passerelle have ads?

Neither O nor Passerelle shows ads.

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

O ships an update fortnightly, and Passerelle every 5 weeks. Most recently, O was updated on September 20, 2026 and Passerelle on September 14, 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.*