# SiYuan vs AppFlowy

The clearest difference is in-app purchases: AppFlowy at none against SiYuan's 2. AppFlowy also leads on rating (4.2 vs 4.0) and review sentiment (78% vs 68%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. SiYuan sells 2 one-off in-app purchases. AppFlowy asks for nothing beyond the download.

AppFlowy holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 29 and 32 respectively. Written reviews point the same way: 68% of SiYuan's written reviews are positive against 78% of AppFlowy's.

SiYuan ships an update weekly, AppFlowy every 9 days. Both last shipped on September 23, 2026.

## The numbers

| Metric | SiYuan | AppFlowy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (29 ratings)](https://appshunter.io/ios/app/siyuan/id1583226508/reviews) | **[4.2 (32 ratings)](https://appshunter.io/ios/app/appflowy/id6457261352/reviews)** |
| Number of ratings | 29 | **32** |
| Positive reviews | 68.4% of reviews | **78.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 359 MB | 208 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Yunnan Liandi Technology Co., Ltd.](https://appshunter.io/developer/1583226510) | [AppFlowy](https://appshunter.io/developer/1700854074) |

## What reviewers say

### SiYuan

[App page](https://appshunter.io/ios/app/siyuan/id1583226508)

A privacy-focused personal knowledge management system that allows offline use and encrypted data synchronization. It combines blocks, outlines, and bidirectional links to help users organize and refine their thoughts.

**Highlights:** Privacy-first design, Offline data storage, End-to-end encrypted sync, Block-based organization, Outline structuring, Bidirectional linking

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Features | $79.99 | one-time |
| Subscription | $188.99 | one-time |


### AppFlowy

[App page](https://appshunter.io/ios/app/appflowy/id6457261352)

This AI-powered workspace centralizes tasks, notes, and projects with flexible data visualization. Collaborate with teams, leverage AI for content generation and insights, and enjoy offline access and self-hosting for data control.

**Highlights:** AI-powered content generation and insights, Organize data in tables, Kanban, and calendars, Create rich documents with 20+ content types, Team collaboration and knowledge base, Offline support and self-hosting options, Cross-device synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SiYuan free?

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

### Is AppFlowy free?

AppFlowy is free to download, with no in-app purchases.

### Which has better reviews, SiYuan or AppFlowy?

AppFlowy is rated higher. SiYuan averages 4.0 out of 5 from 29 ratings, while AppFlowy averages 4.2 from 32 ratings.

### Do SiYuan or AppFlowy have ads?

Neither SiYuan nor AppFlowy shows ads.

### Which is updated more often, SiYuan or AppFlowy?

SiYuan ships an update weekly, and AppFlowy every 9 days. Most recently, SiYuan was updated on September 23, 2026 and AppFlowy on September 23, 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.*