# SkiffPlan vs 三十天挑战

The clearest difference is in-app purchases: 三十天挑战 at none against SkiffPlan's 3. 三十天挑战 also leads on iOS requirement (12.0 vs 16.1). SkiffPlan's advantage is device support. On price there is nothing between them.

Both are free to download. SkiffPlan sells 3 in-app purchases, starting at $2.99 per month. 三十天挑战 asks for nothing beyond the download.

## The numbers

| Metric | SkiffPlan | 三十天挑战 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skiffplan/id6479349253/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 25 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 12+ | 4+ |
| Developer | [ShenZhen Shidaimi Technology Co.,Ltd](https://appshunter.io/developer/1735670222) | [Zhuhai Record Yi Technology Co.,Ltd.](https://appshunter.io/developer/1638483191) |

## What reviewers say

### SkiffPlan

[App page](https://appshunter.io/ios/app/skiffplan/id6479349253)

This app helps you manage your schedule, tasks, and habits efficiently. It offers tools like countdown timers, Pomodoro sessions, and calendar integration to boost productivity and goal achievement.

**Highlights:** Schedule management, Habit tracking, Pomodoro timer, Countdown timer, Calendar integration, Chart analysis, iCloud sync

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Quarterly | $7.99 | per 3 months |
| Annual | $17.99 | per year |


### 三十天挑战

[App page](https://appshunter.io/ios/app/id6748619161)

**In-app purchases:** none


## Frequently asked questions

### Is SkiffPlan free?

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

### Is 三十天挑战 free?

三十天挑战 is free to download, with no in-app purchases.

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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.*