# 三省 vs GuruMind

The clearest difference is update cadence: GuruMind at every 3 days against 三省's every 6 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 三省 sells 3 in-app purchases, starting at $2.99 per month and GuruMind sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 三省 against 5.0 for GuruMind. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

三省 ships an update every 6 months, GuruMind every 3 days. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 三省 | GuruMind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6470999911/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gurumind/id6757127151/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 30 MB | 296 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [嘉达 黄](https://appshunter.io/developer/1708566399) | [名杰 王](https://appshunter.io/developer/1790215066) |

## What reviewers say

### 三省

[App page](https://appshunter.io/ios/app/id6470999911)

This cognitive tool uses cards for recording, reviewing, and self-dialogue to aid memory and clear thinking. It offers flexible input methods, knowledge networking, and visual mind mapping to enhance understanding and reflection.

**Highlights:** Card input (typing & handwriting), Bidirectional knowledge linking, Visual mind maps, Self-dialogue mechanism, Spaced repetition review, Cognitive graph building

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThreeTimes - Monthly Plan | $2.99 | per month |
| ThreeTimes - Yearly Plan | $4.99 | per year |
| ThreeTimes - Lifetime Plan | $9.99 | one-time |


### GuruMind

[App page](https://appshunter.io/ios/app/gurumind/id6757127151)

This app links PDF annotations to mind maps, allowing you to create linked nodes and jump to original text. It supports detailed note-taking, hierarchical mind maps, and a browser-like navigation for complex knowledge systems. Efficiently review PDF highlights with a flashcard-like mode and generate Anki cards from your notes.

**Highlights:** PDF to mind map linking, Node notes with bidirectional links, Sub-mind maps with browser navigation, PDF annotation notes, PDF review mode, Batch cloze deletion card generation, Smart flashcard creation, Cloud sync and multi-device collaboration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 年度会员 | $6.99 | per year |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is 三省 free?

三省 is free to download, with in-app purchases available.

### Is GuruMind free?

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

### Which has better reviews, 三省 or GuruMind?

三省 and GuruMind are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 三省 or GuruMind have ads?

Neither 三省 nor GuruMind shows ads.

### Which is updated more often, 三省 or GuruMind?

三省 ships an update every 6 months, and GuruMind every 3 days. Most recently, 三省 was updated on October 1, 2026 and GuruMind on October 3, 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.*