# 1Kangaroo vs Must

The clearest difference is ads: 1Kangaroo at none against Must's shown. 1Kangaroo also leads on update cadence (every 5 days vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. 1Kangaroo sells 3 in-app purchases, starting at $1.00 per month and Must sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

1Kangaroo ships an update every 5 days, Must every 2 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 1Kangaroo | Must |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 195 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Enes Can ARI](https://appshunter.io/developer/1871118547) | [Ali Koc](https://appshunter.io/developer/1799673806) |

## What reviewers say

### 1Kangaroo

[App page](https://appshunter.io/ios/app/1kangaroo/id6758137596)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Bireysel Aylık | $1.00 | per month |
| Pro Bireysel Yıllık | $249.99 | per year |
| Pro Aile Yıllık | $299.99 | per year |


### Must

[App page](https://appshunter.io/ios/app/must-know-5k-english-words/id6789914653)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is 1Kangaroo free?

1Kangaroo is free to download, with in-app purchases available.

### Is Must free?

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

### Do 1Kangaroo or Must have ads?

Must shows ads; 1Kangaroo does not.

### Which is updated more often, 1Kangaroo or Must?

1Kangaroo ships an update every 5 days, and Must every 2 months. Most recently, 1Kangaroo was updated on November 9, 2026 and Must on October 31, 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.*