# LettersRush3D vs Flow Burst

The clearest difference is ads: LettersRush3D at none against Flow Burst's shown. Flow Burst's advantage is update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

LettersRush3D ships an update every 2 months, Flow Burst every 2 days. The most recent releases landed on October 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LettersRush3D | Flow Burst |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 165 MB | 96 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omer Serif Bilsel](https://appshunter.io/developer/312280518) | [Virtual Projects Oyun Yazilim Ve Teknoloji](https://appshunter.io/developer/1327820445) |

## What reviewers say

### LettersRush3D

[App page](https://appshunter.io/ios/app/lettersrush3d/id6443526295)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow Burst

[App page](https://appshunter.io/ios/app/flow-burst/id6736616600)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LettersRush3D free?

LettersRush3D is free to download, with no in-app purchases.

### Is Flow Burst free?

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

### Do LettersRush3D or Flow Burst have ads?

Flow Burst shows ads; LettersRush3D does not.

### Which is updated more often, LettersRush3D or Flow Burst?

LettersRush3D ships an update every 2 months, and Flow Burst every 2 days. Most recently, LettersRush3D was updated on October 7, 2026 and Flow Burst on September 10, 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.*