# ZhiGe vs Memo Clock

The clearest difference is in-app purchases: Memo Clock at none against ZhiGe's 4. ZhiGe's advantage is update cadence (every 10 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ZhiGe sells 4 in-app purchases, starting at $0.99 per month. Memo Clock asks for nothing beyond the download.

ZhiGe ships an update every 10 days, Memo Clock monthly. The most recent releases landed on September 14, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | ZhiGe | Memo Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Free |
| Size | 42 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [良玉 侯](https://appshunter.io/developer/1879665668) | [原赫 张](https://appshunter.io/developer/6780920126) |

## What reviewers say

### ZhiGe

[App page](https://appshunter.io/ios/app/zhige/id6759592391)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $0.99 | per month |
| Pro Monthly | $1.99 | per month |
| Basic Annual | $14.99 | per year |
| Pro Annual | $22.99 | per year |


### Memo Clock

[App page](https://appshunter.io/ios/app/memo-clock/id6780967507)

Capture and review important information efficiently with this minimalist note-taking app. Save text, handwriting, or images as memos and schedule timely reminders for review. Ideal for students preparing for exams by consolidating key points and mistakes.

**Highlights:** Capture text, handwriting, or image memos, Schedule review frequencies and reminders, Ideal for exam preparation, Simple and lightweight interface, Syncs via iCloud

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

**In-app purchases:** none


## Frequently asked questions

### Is ZhiGe free?

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

### Is Memo Clock free?

Memo Clock is free to download, with no in-app purchases.

### Do ZhiGe or Memo Clock have ads?

Neither ZhiGe nor Memo Clock shows ads.

### Which is updated more often, ZhiGe or Memo Clock?

ZhiGe ships an update every 10 days, and Memo Clock monthly. Most recently, ZhiGe was updated on September 14, 2026 and Memo Clock on September 6, 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.*