# 一讯易卜 vs Mind Palace

The clearest difference is in-app purchases: 一讯易卜 at none against Mind Palace's 2. 一讯易卜 also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Mind Palace's advantage is update cadence (every 2 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Mind Palace sells 2 in-app purchases, starting at $2.99 per month. 一讯易卜 asks for nothing beyond the download.

一讯易卜 ships an update every 3 months, Mind Palace every 2 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 一讯易卜 | Mind Palace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 100 MB | 19 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [广东一讯云科技有限公司](https://appshunter.io/developer/1704787634) | [鹏 陈](https://appshunter.io/developer/1842577800) |

## What reviewers say

### 一讯易卜

[App page](https://appshunter.io/ios/app/id6463708624)

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

**In-app purchases:** none


### Mind Palace

[App page](https://appshunter.io/ios/app/mind-palace-spatial-memory/id6768951349)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $2.99 | per month |
| Pro - Yearly | $19.99 | per year |


## Frequently asked questions

### Is 一讯易卜 free?

一讯易卜 is free to download, with no in-app purchases.

### Is Mind Palace free?

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

### Do 一讯易卜 or Mind Palace have ads?

Mind Palace shows ads; 一讯易卜 does not.

### Which is updated more often, 一讯易卜 or Mind Palace?

一讯易卜 ships an update every 3 months, and Mind Palace every 2 weeks. Most recently, 一讯易卜 was updated on October 6, 2026 and Mind Palace on October 1, 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.*