# 氢刻 vs DoMemo

The clearest difference is rating: 氢刻 at 5.0 against DoMemo's 4.5. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. 氢刻 sells 6 one-off in-app purchases and DoMemo sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

氢刻 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | 氢刻 | DoMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ai/id1585104628/reviews)** | [4.5 (10 ratings)](https://appshunter.io/ios/app/domemo-simple-notes-system/id1624344916/reviews) |
| Number of ratings | 5 | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 22 MB | 59 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [QingKe Tech Co., Ltd.](https://appshunter.io/developer/1584950202) | [Hangzhou Quanduan Technology Co., Ltd.](https://appshunter.io/developer/1483142209) |

## What reviewers say

### 氢刻

[App page](https://appshunter.io/ios/app/ai/id1585104628)

This tool helps you capture, organize, and recall information through a structured card system. It uses AI and spaced repetition techniques to enhance memory and learning. Share and import notes to build a personalized knowledge base.

**Highlights:** AI-powered note-taking, Spaced repetition learning, Card-based knowledge base, Content sharing community, Import notes from WeChat Read, Anki-style flashcards

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP of one month | $0.99 | one-time |
| 氢刻专业版-1个月 | $1.99 | one-time |
| VIP of one year | $9.99 | one-time |
| 氢刻专业版-1年 | $14.99 | one-time |
| VIP of three years | $24.99 | one-time |
| 氢刻专业版-3年 | $29.99 | one-time |


### DoMemo

[App page](https://appshunter.io/ios/app/domemo-simple-notes-system/id1624344916)

This app offers a balanced approach to note-taking, combining the depth of notes with the brevity of memos. It allows for rich management with tags, backward links, and version history, all while keeping a focus on stress-free writing within a customizable word limit. Data is stored locally and can be synced via iCloud Drive or Git.

**Highlights:** Local data storage, Full text search, History versions, Voice recording & text conversion, iCloud Drive & Git sync, Customizable word limit, Tags and backward links

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoMemo Monthly | $0.99 | per month |
| DoMemo Yearly | $5.49 | per year |
| DoMemo Flash Sale | $17.00 | one-time |
| DoMemo Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 氢刻 free?

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

### Is DoMemo free?

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

### Which has better reviews, 氢刻 or DoMemo?

氢刻 is rated higher. 氢刻 averages 5.0 out of 5 from 5 ratings, while DoMemo averages 4.5 from 10 ratings.

### Do 氢刻 or DoMemo have ads?

Neither 氢刻 nor DoMemo shows ads.

### Which is updated more often, 氢刻 or DoMemo?

氢刻 ships an update every 3 weeks, and DoMemo every 3 weeks. Most recently, 氢刻 was updated on September 22, 2026 and DoMemo on July 23, 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.*