# O vs Luku

The clearest difference is update cadence: Luku at every 3 days against O's fortnightly. 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.

O ships an update fortnightly, Luku every 3 days. The most recent releases landed on September 20, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | O | Luku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 56 MB | 32 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mandjou Dama](https://appshunter.io/developer/1814954469) | [Kalifa Toure](https://appshunter.io/developer/1860030462) |

## What reviewers say

### O

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

**In-app purchases:** none


### Luku

[App page](https://appshunter.io/ios/app/luku/id6760457761)

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

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is Luku free?

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

### Do O or Luku have ads?

Neither O nor Luku shows ads.

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

O ships an update fortnightly, and Luku every 3 days. Most recently, O was updated on September 20, 2026 and Luku on August 19, 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.*