# MindMark vs 久期

The clearest difference is in-app purchases: 久期 at none against MindMark's 2. 久期 also leads on iOS requirement (10.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MindMark sells 2 in-app purchases, starting at $2.99 per year. 久期 asks for nothing beyond the download.

MindMark ships an update every 2 weeks, 久期 every 3 weeks. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MindMark | 久期 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 8 MB | 90 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [琦 刘](https://appshunter.io/developer/1729736385) | [Zhuhai JiuQi Digital Technology Co,LTD](https://appshunter.io/developer/1735134908) |

## What reviewers say

### MindMark

[App page](https://appshunter.io/ios/app/mindmark/id6478474978)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Subscription (1 year) | $2.99 | per year |
| Lifetime VIP | $4.99 | one-time |


### 久期

[App page](https://appshunter.io/ios/app/id6479202498)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MindMark free?

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

### Is 久期 free?

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

### Do MindMark or 久期 have ads?

Neither MindMark nor 久期 shows ads.

### Which is updated more often, MindMark or 久期?

MindMark ships an update every 2 weeks, and 久期 every 3 weeks. Most recently, MindMark was updated on October 10, 2026 and 久期 on October 9, 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.*