# Just vs Klar Speak

The clearest difference is ads: Klar Speak at none against Just's shown. Just's advantage is update cadence (weekly vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Just sells 1 in-app purchase, starting at $3.99 per month and Klar Speak sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Just ships an update weekly, Klar Speak every 6 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Just | Klar Speak |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 weeks |
| Size | 65 MB | 48 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hong Gyu Kim](https://appshunter.io/developer/1765490914) | [Ali Taqizadeh Gevari](https://appshunter.io/developer/1896776025) |

## What reviewers say

### Just

[App page](https://appshunter.io/ios/app/just-do/id6727002720)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JUST DO ‘The more.’ | $3.99 | per month |


### Klar Speak

[App page](https://appshunter.io/ios/app/klar-speak-ai-language-tutor/id6772062228)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klar Pro | $11.99 | per month |
| 100 Minutes | $4.99 | one-time |


## Frequently asked questions

### Is Just free?

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

### Is Klar Speak free?

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

### Do Just or Klar Speak have ads?

Just shows ads; Klar Speak does not.

### Which is updated more often, Just or Klar Speak?

Just ships an update weekly, and Klar Speak every 6 weeks. Most recently, Just was updated on October 27, 2026 and Klar Speak 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.*