# 互牧云3.0(PDA) vs MindAscend

The clearest difference is in-app purchases: 互牧云3.0(PDA) at none against MindAscend's 2. 互牧云3.0(PDA) also leads on iOS requirement (9.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MindAscend sells 2 in-app purchases, starting at $3.99 per year. 互牧云3.0(PDA) asks for nothing beyond the download.

互牧云3.0(PDA) ships an update every 3 weeks, MindAscend every 5 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 互牧云3.0(PDA) | MindAscend |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 24 MB | 151 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [上海互牧信息科技有限公司](https://appshunter.io/developer/1632174648) | [华龙 王](https://appshunter.io/developer/1785384247) |

## What reviewers say

### 互牧云3.0(PDA)

[App page](https://appshunter.io/ios/app/30pda/id1626588708)

**Features:** macOS Compatibility

**In-app purchases:** none


### MindAscend

[App page](https://appshunter.io/ios/app/mindascend/id6744838550)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindAscend - Month Plan | $3.99 | per year |
| lifelong learning | $9.99 | one-time |


## Frequently asked questions

### Is 互牧云3.0(PDA) free?

互牧云3.0(PDA) is free to download, with no in-app purchases.

### Is MindAscend free?

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

### Do 互牧云3.0(PDA) or MindAscend have ads?

Neither 互牧云3.0(PDA) nor MindAscend shows ads.

### Which is updated more often, 互牧云3.0(PDA) or MindAscend?

互牧云3.0(PDA) ships an update every 3 weeks, and MindAscend every 5 weeks. Most recently, 互牧云3.0(PDA) was updated on September 19, 2026 and MindAscend on September 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.*