# 习惯岛 vs JotDay

The clearest difference is rating: 习惯岛 at 5.0 against JotDay's 4.7. 习惯岛 also leads on review sentiment (100% vs 86%) and iOS requirement (15.0 vs 17.0). JotDay's advantage is ratings volume (21 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 习惯岛 sells 11 one-off in-app purchases and JotDay sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

习惯岛 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: JotDay has 21 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of 习惯岛's written reviews are positive against 86% of JotDay's.

习惯岛 ships an update every 5 weeks, JotDay monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 习惯岛 | JotDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id1673628986/reviews)** | [4.7 (21 ratings)](https://appshunter.io/ios/app/jotdaytime-tracker/id6476449746/reviews) |
| Number of ratings | 4 | **21** |
| Positive reviews | **100.0% of reviews** | 86.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 21 MB | 50 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [广博 郝](https://appshunter.io/developer/1173506771) | [Remix Design Studio](https://appshunter.io/developer/1708137028) |

## What reviewers say

### 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 |


### JotDay

[App page](https://appshunter.io/ios/app/jotdaytime-tracker/id6476449746)

Effortlessly track your time with automatic sleep and exercise logging from HealthKit. Monitor app usage, visualize your day on a timeline, and analyze time distribution with clean daily, weekly, and monthly views. Includes a minimalist focus timer with Live Activity support.

**Highlights:** Automatic sleep and workout tracking, App usage tracking via Shortcuts, Minimalist focus timer with Live Activity, Intuitive timeline view, Daily, weekly, and monthly time views, Data analysis for time distribution

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JotDay Pro Monthly | $0.99 | per month |
| JotDay Pro Yearly | $4.99 | per year |
| JotDay Pro Annual to Lifetime | $5.99 | one-time |
| JotDay Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 习惯岛 free?

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

### Is JotDay free?

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

### Which has better reviews, 习惯岛 or JotDay?

习惯岛 is rated higher. 习惯岛 averages 5.0 out of 5 from 4 ratings, while JotDay averages 4.7 from 21 ratings.

### Do 习惯岛 or JotDay have ads?

Neither 习惯岛 nor JotDay shows ads.

### Which is updated more often, 习惯岛 or JotDay?

习惯岛 ships an update every 5 weeks, and JotDay monthly. Most recently, 习惯岛 was updated on October 24, 2026 and JotDay on October 30, 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.*