# Trackrr vs SiYuan

The clearest difference is in-app purchases: Trackrr at none against SiYuan's 2. Trackrr also leads on iOS requirement (15.4 vs 17.0). SiYuan's advantage is update cadence (weekly vs every 31 months). On price, ads and device support there is nothing between them.

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

Trackrr ships an update every 31 months, SiYuan weekly. The most recent releases landed on May 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Trackrr | SiYuan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (29 ratings)](https://appshunter.io/ios/app/siyuan/id1583226508/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 68.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 359 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kudzai Felix Mawoneke](https://appshunter.io/developer/1526788395) | [Yunnan Liandi Technology Co., Ltd.](https://appshunter.io/developer/1583226510) |

## What reviewers say

### Trackrr

[App page](https://appshunter.io/ios/app/trackrr/id1540428861)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Trackrr free?

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

### Is SiYuan free?

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

### Do Trackrr or SiYuan have ads?

Neither Trackrr nor SiYuan shows ads.

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

Trackrr ships an update every 31 months, and SiYuan weekly. Most recently, Trackrr was updated on May 16, 2026 and SiYuan 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.*