# 掌心拇指琴 vs DisciplineTree

The clearest difference is update cadence: 掌心拇指琴 at every 10 days against DisciplineTree's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 掌心拇指琴 sells 4 in-app purchases, starting at $3.99 per month and DisciplineTree sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

掌心拇指琴 ships an update every 10 days, DisciplineTree every 6 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 掌心拇指琴 | DisciplineTree |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 59 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [晓亮 杨](https://appshunter.io/developer/1682822841) | [Chengdu Weicao Youfang Technology Co., Ltd.](https://appshunter.io/developer/1777991470) |

## What reviewers say

### 掌心拇指琴

[App page](https://appshunter.io/ios/app/id6743470345)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 掌心拇指琴月度会员 | $3.99 | per month |
| 掌心拇指琴季度会员 | $4.99 | per 3 months |
| 掌心拇指琴年度会员 | $6.99 | per year |
| 终身会员 | $9.99 | one-time |


### DisciplineTree

[App page](https://appshunter.io/ios/app/disciplinetree/id6748814592)

This app helps you build positive habits, break bad ones, and track your progress towards personal growth. It uses a tree metaphor to visualize your journey, encouraging daily check-ins and self-reflection to foster self-discipline and achieve your goals.

**Highlights:** Cultivate positive habits, Break bad habits, Daily check-ins and goal streaks, Set clear intentions and achieve goals, Behavior journal for self-reflection, Visualize growth journey

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Annual Membership | $2.99 | per year |
| Lifetime Membership | $7.99 | one-time |


## Frequently asked questions

### Is 掌心拇指琴 free?

掌心拇指琴 is free to download, with in-app purchases available.

### Is DisciplineTree free?

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

### Do 掌心拇指琴 or DisciplineTree have ads?

Neither 掌心拇指琴 nor DisciplineTree shows ads.

### Which is updated more often, 掌心拇指琴 or DisciplineTree?

掌心拇指琴 ships an update every 10 days, and DisciplineTree every 6 weeks. Most recently, 掌心拇指琴 was updated on October 28, 2026 and DisciplineTree 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.*