# TUS Library vs Sugoi Nihongo

The clearest difference is in-app purchases: TUS Library at none against Sugoi Nihongo's 8. TUS Library also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sugoi Nihongo sells 8 one-off in-app purchases. TUS Library asks for nothing beyond the download.

TUS Library ships an update every 2 days, Sugoi Nihongo every 2 months. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | TUS Library | Sugoi Nihongo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 34 MB | 57 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Openserve Co.,Ltd.](https://appshunter.io/developer/479158615) | [Payout](https://appshunter.io/developer/1440443678) |

## What reviewers say

### TUS Library

[App page](https://appshunter.io/ios/app/tus-library/id1393919716)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sugoi Nihongo

[App page](https://appshunter.io/ios/app/sugoi-nihongo/id1447203073)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic2  1 months usage | $2.99 | one-time |
| 1 month usage. | $3.99 | one-time |
| Basic1  Unlimited | $3.99 | one-time |
| Basic2  Unlimited | $3.99 | one-time |
| Basic2  6 months usage | $5.99 | one-time |
| Basic2  12 months usage | $7.99 | one-time |
| 6 months usage | $8.99 | one-time |
| 12 months usage | $14.99 | one-time |


## Frequently asked questions

### Is TUS Library free?

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

### Is Sugoi Nihongo free?

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

### Do TUS Library or Sugoi Nihongo have ads?

Neither TUS Library nor Sugoi Nihongo shows ads.

### Which is updated more often, TUS Library or Sugoi Nihongo?

TUS Library ships an update every 2 days, and Sugoi Nihongo every 2 months. Most recently, TUS Library was updated on September 17, 2026 and Sugoi Nihongo on September 8, 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.*