# Rally English vs LetCube

The clearest difference is update cadence: Rally English at every 2 days against LetCube's every 2 weeks. Rally English also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rally English sells 1 in-app purchase, starting at $3.99 per month and LetCube sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Rally English ships an update every 2 days, LetCube every 2 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rally English | LetCube |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 90 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SYSFLOW Co., Ltd.](https://appshunter.io/developer/6783172875) | [RUEI YI WU](https://appshunter.io/developer/1896714956) |

## What reviewers say

### Rally English

[App page](https://appshunter.io/ios/app/rally-english/id6783172873)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rally Pro | $3.99 | per month |


### LetCube

[App page](https://appshunter.io/ios/app/letcube-cube-guide-for-kids/id6794867285)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Medium Coffee | $4.99 | one-time |
| Large Coffee | $9.99 | one-time |


## Frequently asked questions

### Is Rally English free?

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

### Is LetCube free?

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

### Do Rally English or LetCube have ads?

Neither Rally English nor LetCube shows ads.

### Which is updated more often, Rally English or LetCube?

Rally English ships an update every 2 days, and LetCube every 2 weeks. Most recently, Rally English was updated on October 28, 2026 and LetCube on October 24, 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.*