# SiYuan vs 小趣AICRM

The clearest difference is in-app purchases: 小趣AICRM at none against SiYuan's 2. SiYuan's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

SiYuan ships an update every 8 days, 小趣AICRM every 9 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SiYuan | 小趣AICRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (30 ratings)](https://appshunter.io/ios/app/siyuan/id1583226508/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 440 MB | 26 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Yunnan Liandi Technology Co., Ltd.](https://appshunter.io/developer/1583226510) | [北京小趣智品科技有限公司](https://appshunter.io/developer/1474575061) |

## 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 enhance thinking processes.

**Highlights:** Privacy-first design, Offline data storage, End-to-end encrypted sync, Block and outline fusion, Bidirectional linking

**Features:** Vision Pro support

**In-app purchases (2)**

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


### 小趣AICRM

[App page](https://appshunter.io/ios/app/aicrm/id6761876841)

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

**In-app purchases:** none


## Frequently asked questions

### Is SiYuan free?

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

### Is 小趣AICRM free?

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

### Do SiYuan or 小趣AICRM have ads?

Neither SiYuan nor 小趣AICRM shows ads.

### Which is updated more often, SiYuan or 小趣AICRM?

SiYuan ships an update every 8 days, and 小趣AICRM every 9 days. Most recently, SiYuan was updated on November 3, 2026 and 小趣AICRM on November 5, 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.*