# Kusari vs EngClass

The clearest difference is update cadence: EngClass at every 3 days against Kusari's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kusari sells 1 in-app purchase, starting at $29.99 per month and EngClass sells 6 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Kusari ships an update every 10 days, EngClass every 3 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Kusari | EngClass |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 123 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RYUTA ABE](https://appshunter.io/developer/1895880547) | [CET (THAILAND) COMPANY LIMITED](https://appshunter.io/developer/1470055217) |

## What reviewers say

### Kusari

[App page](https://appshunter.io/ios/app/kusari/id6764690812)

This app uses behavioral economics to build a daily English learning habit. It employs a commitment device where users risk losing money if they miss their daily tasks, encouraging consistent practice through financial stakes rather than willpower. Daily activities include reading, shadowing, and AI conversation, taking 15-20 minutes.

**Highlights:** Commitment device with financial stakes, Daily reading, shadowing, and AI conversation, 15-20 minute daily tasks, Behavioral economics principles applied, Dynamic skill level adjustment (CEFR A1-C2), Tiered pricing based on daily achievement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kusari Monthly | $29.99 | per month |


### EngClass

[App page](https://appshunter.io/ios/app/engclass-roleplay-learning/id6770129302)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EngClass Pro | $7.99 | per month |
| EngClass Pro+ | $15.99 | per month |
| EngClass Ultimate | $23.99 | per month |
| Starter Credits | $2.99 | one-time |
| Pro Pack Credits | $7.99 | one-time |
| Power Credits | $17.99 | one-time |


## Frequently asked questions

### Is Kusari free?

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

### Is EngClass free?

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

### Do Kusari or EngClass have ads?

Neither Kusari nor EngClass shows ads.

### Which is updated more often, Kusari or EngClass?

Kusari ships an update every 10 days, and EngClass every 3 days. Most recently, Kusari was updated on October 7, 2026 and EngClass on October 1, 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.*