# LearnSousyo2 byNSDev vs ProTrainer English

The clearest difference is in-app purchases: LearnSousyo2 byNSDev at none against ProTrainer English's 1. LearnSousyo2 byNSDev also leads on iOS requirement (12.0 vs 16.6). ProTrainer English's advantage is update cadence (weekly vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. ProTrainer English sells 1 in-app purchase, starting at $1.99 per month. LearnSousyo2 byNSDev asks for nothing beyond the download.

LearnSousyo2 byNSDev ships an update every 5 months, ProTrainer English weekly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | LearnSousyo2 byNSDev | ProTrainer English |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 42 MB | 10 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [HIROTSUGU SHINJO](https://appshunter.io/developer/1872643420) |

## What reviewers say

### LearnSousyo2 byNSDev

[App page](https://appshunter.io/ios/app/learnsousyo2-bynsdev/id1255125108)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProTrainer English

[App page](https://appshunter.io/ios/app/protrainer-english/id6758387160)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


## Frequently asked questions

### Is LearnSousyo2 byNSDev free?

LearnSousyo2 byNSDev is free to download, with no in-app purchases.

### Is ProTrainer English free?

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

### Do LearnSousyo2 byNSDev or ProTrainer English have ads?

Neither LearnSousyo2 byNSDev nor ProTrainer English shows ads.

### Which is updated more often, LearnSousyo2 byNSDev or ProTrainer English?

LearnSousyo2 byNSDev ships an update every 5 months, and ProTrainer English weekly. Most recently, LearnSousyo2 byNSDev was updated on October 14, 2026 and ProTrainer English on October 6, 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.*