# SiYuan vs Adoluna Shift

The clearest difference is in-app purchases: Adoluna Shift at none against SiYuan's 2. Adoluna Shift also leads on iOS requirement (15.1 vs 17.0). SiYuan's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

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

SiYuan ships an update weekly, Adoluna Shift monthly. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SiYuan | Adoluna Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (29 ratings)](https://appshunter.io/ios/app/siyuan/id1583226508/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 419 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yunnan Liandi Technology Co., Ltd.](https://appshunter.io/developer/1583226510) | [Adoluna Corporation](https://appshunter.io/developer/1499271311) |

## 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 |


### Adoluna Shift

[App page](https://appshunter.io/ios/app/adoluna-shift/id6785129507)

**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 Adoluna Shift free?

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

### Do SiYuan or Adoluna Shift have ads?

Neither SiYuan nor Adoluna Shift shows ads.

### Which is updated more often, SiYuan or Adoluna Shift?

SiYuan ships an update weekly, and Adoluna Shift monthly. Most recently, SiYuan was updated on October 15, 2026 and Adoluna Shift on October 18, 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.*