# ADHD Reader vs 工作留痕

The clearest difference is price: ADHD Reader at Free against 工作留痕's $0.99. ADHD Reader also leads on iOS requirement (15.0 vs 17). 工作留痕's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs weekly). On ads and device support there is nothing between them.

ADHD Reader is free to download; 工作留痕 costs $0.99 up front. ADHD Reader sells 3 in-app purchases, starting at $1.99 per month. 工作留痕 asks for nothing beyond the download.

ADHD Reader ships an update weekly, 工作留痕 every 2 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ADHD Reader | 工作留痕 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 26 MB | 3 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chaojifeng (Xiamen) Network Technology Co., Ltd.](https://appshunter.io/developer/1779974143) | [广亿 丁](https://appshunter.io/developer/1758979534) |

## What reviewers say

### ADHD Reader

[App page](https://appshunter.io/ios/app/adhd-reader-textwebfile/id6739710331)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $19.99 | one-time |


### 工作留痕

[App page](https://appshunter.io/ios/app/id6740536209)

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

**In-app purchases:** none


## Frequently asked questions

### Is ADHD Reader free?

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

### Is 工作留痕 free?

工作留痕 costs $0.99, with no in-app purchases.

### Do ADHD Reader or 工作留痕 have ads?

Neither ADHD Reader nor 工作留痕 shows ads.

### Which is updated more often, ADHD Reader or 工作留痕?

ADHD Reader ships an update weekly, and 工作留痕 every 2 days. Most recently, ADHD Reader was updated on September 30, 2026 and 工作留痕 on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*