# Contextual Kaiwa vs PolyglotGym

The clearest difference is in-app purchases: PolyglotGym at none against Contextual Kaiwa's 4. Contextual Kaiwa's advantage is update cadence (daily vs weekly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Contextual Kaiwa sells 4 one-off in-app purchases. PolyglotGym asks for nothing beyond the download.

Contextual Kaiwa ships an update daily, PolyglotGym weekly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Contextual Kaiwa | PolyglotGym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 191 MB | 43 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [HAIPING OU](https://appshunter.io/developer/1886304740) | [Igor Polietaiev](https://appshunter.io/developer/6784637664) |

## What reviewers say

### Contextual Kaiwa

[App page](https://appshunter.io/ios/app/contextual-kaiwa/id6760800115)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Season 1 (JLPT N5) | $3.99 | one-time |
| Season 2 (JLPT N4) | $4.99 | one-time |
| Season 3 (JLPT N3) | $6.99 | one-time |
| All Seasons (N5-N3) | $12.99 | one-time |


### PolyglotGym

[App page](https://appshunter.io/ios/app/polyglotgym/id6784637662)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Contextual Kaiwa free?

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

### Is PolyglotGym free?

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

### Do Contextual Kaiwa or PolyglotGym have ads?

Neither Contextual Kaiwa nor PolyglotGym shows ads.

### Which is updated more often, Contextual Kaiwa or PolyglotGym?

Contextual Kaiwa ships an update daily, and PolyglotGym weekly. Most recently, Contextual Kaiwa was updated on October 20, 2026 and PolyglotGym 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.*