# 学习计时 vs OneTask ADHD Focus Timer

The clearest difference is update cadence: OneTask ADHD Focus Timer at weekly against 学习计时's fortnightly. 学习计时's advantage is iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 学习计时 sells 2 in-app purchases, starting at $4.99 per year and OneTask ADHD Focus Timer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

学习计时 ships an update fortnightly, OneTask ADHD Focus Timer weekly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 学习计时 | OneTask ADHD Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 31 MB | 15 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [小拓 林](https://appshunter.io/developer/1267985198) | [QUANTUMPARADOX STUDIO PRIVATE LIMITED](https://appshunter.io/developer/1095662507) |

## What reviewers say

### 学习计时

[App page](https://appshunter.io/ios/app/id6739724559)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $4.99 | per year |
| Lifetime Membership | $7.99 | one-time |


### OneTask ADHD Focus Timer

[App page](https://appshunter.io/ios/app/onetask-adhd-focus-timer/id6757357252)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Focus · Gentle Focus Plan | $4.99 | per month |
| Yearly Focus · Gentle Focus Plan | $29.99 | per year |


## Frequently asked questions

### Is 学习计时 free?

学习计时 is free to download, with in-app purchases available.

### Is OneTask ADHD Focus Timer free?

OneTask ADHD Focus Timer is free to download, with in-app purchases available.

### Do 学习计时 or OneTask ADHD Focus Timer have ads?

Neither 学习计时 nor OneTask ADHD Focus Timer shows ads.

### Which is updated more often, 学习计时 or OneTask ADHD Focus Timer?

学习计时 ships an update fortnightly, and OneTask ADHD Focus Timer weekly. Most recently, 学习计时 was updated on October 7, 2026 and OneTask ADHD Focus Timer on October 19, 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.*