# SiYuan vs Transbay

The clearest difference is review sentiment: SiYuan at 68% against Transbay's 9%. SiYuan also leads on rating (4.0 vs 2.0) and update cadence (weekly vs every 3 weeks). Transbay's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

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

SiYuan holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: SiYuan has 29 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 68% of SiYuan's written reviews are positive against 9% of Transbay's.

SiYuan ships an update weekly, Transbay every 3 weeks. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SiYuan | Transbay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (29 ratings)](https://appshunter.io/ios/app/siyuan/id1583226508/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/transbay/id1587567157/reviews) |
| Number of ratings | **29** | 4 |
| Positive reviews | **68.4% of reviews** | 9.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 359 MB | 58 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yunnan Liandi Technology Co., Ltd.](https://appshunter.io/developer/1583226510) | [亿格云](https://appshunter.io/developer/1587567159) |

## 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 |


### Transbay

[App page](https://appshunter.io/ios/app/transbay/id1587567157)

This app offers cloud-based security solutions for enterprises, aiming to provide a more efficient, simple, and secure office environment. It redefines traditional security product architecture for modern workplaces.

**Highlights:** Cloud-based security architecture, Efficient office services, Simple user experience, Secure enterprise solutions, Workspace security

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SiYuan free?

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

### Is Transbay free?

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

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

SiYuan is rated higher. SiYuan averages 4.0 out of 5 from 29 ratings, while Transbay averages 2.0 from 4 ratings.

### Do SiYuan or Transbay have ads?

Neither SiYuan nor Transbay shows ads.

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

SiYuan ships an update weekly, and Transbay every 3 weeks. Most recently, SiYuan was updated on September 23, 2026 and Transbay on September 14, 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.*