# 4Buddy vs Sekai Kanji

The clearest difference is update cadence: Sekai Kanji at every 2 days against 4Buddy's every 4 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 4Buddy sells 9 in-app purchases, starting at $11.99 per month and Sekai Kanji sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

4Buddy ships an update every 4 days, Sekai Kanji every 2 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 4Buddy | Sekai Kanji |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/4buddy-learn-languages/id6786938841/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [4ENGLISH TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1845875764) | [thanh tung le](https://appshunter.io/developer/6810985219) |

## What reviewers say

### 4Buddy

[App page](https://appshunter.io/ios/app/4buddy-learn-languages/id6786938841)

Practice speaking new languages with AI and connect with other learners. Get pronunciation feedback and track your progress with personalized learning paths and spaced repetition for vocabulary. Build confidence in real-life conversations.

**Highlights:** AI conversation practice, Pronunciation feedback, Connect with learners, Personalized learning paths, Spaced repetition vocabulary review, Progress tracking

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $11.99 | per month |
| 1 Month | $14.99 | per month |
| 3 Months | $23.99 | per 3 months |
| 3 months | $23.99 | per 3 months |
| 3 month | $24.99 | per 3 months |
| 1 Year | $31.99 | per year |
| Subscriptions for PRO | $34.99 | per 3 months |
| 1 Year | $49.99 | per year |
| 1 Year | $59.99 | per year |


### Sekai Kanji

[App page](https://appshunter.io/ios/app/sekai-kanji/id6810985217)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trọn đời | $12.99 | one-time |


## Frequently asked questions

### Is 4Buddy free?

4Buddy is free to download, with in-app purchases available.

### Is Sekai Kanji free?

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

### Do 4Buddy or Sekai Kanji have ads?

Neither 4Buddy nor Sekai Kanji shows ads.

### Which is updated more often, 4Buddy or Sekai Kanji?

4Buddy ships an update every 4 days, and Sekai Kanji every 2 days. Most recently, 4Buddy was updated on November 1, 2026 and Sekai Kanji on October 29, 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.*