# AKF Lejer vs 习惯岛

The clearest difference is in-app purchases: AKF Lejer at none against 习惯岛's 11. 习惯岛's advantage is update cadence (every 5 weeks vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 习惯岛 sells 11 one-off in-app purchases. AKF Lejer asks for nothing beyond the download.

AKF Lejer ships an update every 2 months, 习惯岛 every 5 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AKF Lejer | 习惯岛 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id1673628986/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Unik System Design A/S](https://appshunter.io/developer/453200890) | [广博 郝](https://appshunter.io/developer/1173506771) |

## What reviewers say

### AKF Lejer

[App page](https://appshunter.io/ios/app/akf-lejer/id1484067960)

**Features:** Vision Pro support

**In-app purchases:** none


### 习惯岛

[App page](https://appshunter.io/ios/app/id1673628986)

This app gamifies habit tracking by allowing users to create custom habit cards and earn in-game currency and experience. Use your rewards to decorate your personal island, unlock new items, and progress through levels. It aims to make habit formation more engaging and rewarding.

**Highlights:** Gamified habit tracking, Customizable habit cards, Island decoration and expansion, In-game currency and experience rewards, Cloud synchronization, Statistical charts, Weekly bonus chests

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLUS 计划（1 个月） | $0.99 | one-time |
| PLUS 计划（6 个月） | $2.99 | one-time |
| PLUS 计划（1 年） | $3.99 | one-time |
| PLUS 计划（6 个月） | $3.99 | one-time |
| PLUS 计划（6 个月） | $4.99 | one-time |
| PLUS 计划（1 年） | $4.99 | one-time |
| PLUS 计划（1 年） | $6.99 | one-time |
| PLUS 计划（1 年） | $7.99 | one-time |
| PLUS 计划（终身） | $9.99 | one-time |
| PLUS 计划（终身） | $12.99 | one-time |
| PLUS 计划（终身） | $19.99 | one-time |


## Frequently asked questions

### Is AKF Lejer free?

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

### Is 习惯岛 free?

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

### Do AKF Lejer or 习惯岛 have ads?

Neither AKF Lejer nor 习惯岛 shows ads.

### Which is updated more often, AKF Lejer or 习惯岛?

AKF Lejer ships an update every 2 months, and 习惯岛 every 5 weeks. Most recently, AKF Lejer was updated on October 26, 2026 and 习惯岛 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.*