# Kanji vs OneLearn SMS

The clearest difference is in-app purchases: OneLearn SMS at none against Kanji's 2. OneLearn SMS also leads on ads (none vs shown). Kanji's advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Kanji sells 2 one-off in-app purchases. OneLearn SMS asks for nothing beyond the download.

Kanji ships an update every 3 days, OneLearn SMS fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Kanji | OneLearn SMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 298 MB | 46 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Roman Budnikov](https://appshunter.io/developer/1716137449) | [Novaa, Inc.](https://appshunter.io/developer/1618655699) |

## What reviewers say

### Kanji

[App page](https://appshunter.io/ios/app/kanji-quest/id6757606855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Novice Ink Set | $9.99 | one-time |
| Master Ink Set | $19.99 | one-time |


### OneLearn SMS

[App page](https://appshunter.io/ios/app/onelearn-sms/id6757727661)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kanji free?

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

### Is OneLearn SMS free?

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

### Do Kanji or OneLearn SMS have ads?

Kanji shows ads; OneLearn SMS does not.

### Which is updated more often, Kanji or OneLearn SMS?

Kanji ships an update every 3 days, and OneLearn SMS fortnightly. Most recently, Kanji was updated on October 25, 2026 and OneLearn SMS on October 25, 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.*