# Letter Roll vs Bubble Number Mix

The clearest difference is update cadence: Bubble Number Mix at fortnightly against Letter Roll's every 29 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.

Letter Roll ships an update every 29 months, Bubble Number Mix fortnightly. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Letter Roll | Bubble Number Mix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bubble-number-mix/id1621295588/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 29 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 79 MB | 67 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Pengwei Long](https://appshunter.io/developer/1621295590) |

## What reviewers say

### Letter Roll

[App page](https://appshunter.io/ios/app/letter-roll/id1589463270)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Number Mix

[App page](https://appshunter.io/ios/app/bubble-number-mix/id1621295588)

A challenging brain game where players merge numbers to reach a specific goal. It features simple 2D visuals, well-designed levels, and relaxing music. While easy to learn, mastering the game presents a significant challenge.

**Highlights:** Number merging gameplay, Challenging brain trainer levels, Simple 2D visual effects, Relaxing music, Easy to learn, hard to master

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letter Roll free?

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

### Is Bubble Number Mix free?

Bubble Number Mix is free to download, with no in-app purchases.

### Do Letter Roll or Bubble Number Mix have ads?

Both Letter Roll and Bubble Number Mix show ads.

### Which is updated more often, Letter Roll or Bubble Number Mix?

Letter Roll ships an update every 29 months, and Bubble Number Mix fortnightly. Most recently, Letter Roll was updated on October 27, 2026 and Bubble Number Mix on October 22, 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.*