# 三省 vs Linko

The clearest difference is update cadence: Linko at every 2 weeks 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 Linko sells 2 in-app purchases, starting at $7.99 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 Linko. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

三省 ships an update every 6 months, Linko every 2 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 三省 | Linko |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6470999911/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/linko-let-ideas-grow/id6739500726/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 79 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [嘉达 黄](https://appshunter.io/developer/1708566399) | [Linko Inc.](https://appshunter.io/developer/1780601220) |

## 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 |


### Linko

[App page](https://appshunter.io/ios/app/linko-let-ideas-grow/id6739500726)

Organize your thoughts and learning into an interconnected knowledge tree. Capture notes, save resources, and let AI automatically tag and connect your ideas. Review and learn faster with visualizations and AI-powered summaries.

**Highlights:** AI-powered auto-organization, Knowledge tree visualization, Save articles, videos, and podcasts, AI summaries and Q&A, Cross-platform sync, Encrypted private notes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced | $7.99 | per month |
| Advanced | $69.99 | per year |


## Frequently asked questions

### Is 三省 free?

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

### Is Linko free?

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

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

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

### Do 三省 or Linko have ads?

Neither 三省 nor Linko shows ads.

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

三省 ships an update every 6 months, and Linko every 2 weeks. Most recently, 三省 was updated on October 16, 2026 and Linko on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*