# MindMark vs MyPrinciple

The clearest difference is update cadence: MindMark at every 2 weeks against MyPrinciple's monthly. On price, ads, in-app purchases 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 and MyPrinciple sells 2 in-app purchases, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

MindMark ships an update every 2 weeks, MyPrinciple monthly. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | MindMark | MyPrinciple |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 8 MB | 59 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [琦 刘](https://appshunter.io/developer/1729736385) | [柱 杨](https://appshunter.io/developer/1680327782) |

## 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 |


### MyPrinciple

[App page](https://appshunter.io/ios/app/myprinciple/id6757670697)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Membership | $3.99 | per year |
| Lifetime Membership | $9.99 | one-time |


## Frequently asked questions

### Is MindMark free?

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

### Is MyPrinciple free?

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

### Do MindMark or MyPrinciple have ads?

Neither MindMark nor MyPrinciple shows ads.

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

MindMark ships an update every 2 weeks, and MyPrinciple monthly. Most recently, MindMark was updated on October 10, 2026 and MyPrinciple on October 11, 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.*