# 松树自律 vs 知行录：知行合一

The clearest difference is in-app purchases: 松树自律 at none against 知行录：知行合一's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 知行录：知行合一 sells 3 in-app purchases, starting at $0.99 per month. 松树自律 asks for nothing beyond the download.

松树自律 ships an update every 6 days, 知行录：知行合一 every 4 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 松树自律 | 知行录：知行合一 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6464384641/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 16 MB | 1 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen Kuaile Xiaotian Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1677484995) | [文丰 邓](https://appshunter.io/developer/1543612991) |

## What reviewers say

### 松树自律

[App page](https://appshunter.io/ios/app/ai/id6446350660)

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

**In-app purchases:** none


### 知行录：知行合一

[App page](https://appshunter.io/ios/app/id6464384641)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly (Auto Renew) | $0.99 | per month |
| Yearly (Auto Renew) | $6.99 | per year |
| Lifetime (Pay Once) | $9.99 | one-time |


## Frequently asked questions

### Is 松树自律 free?

松树自律 is free to download, with no in-app purchases.

### Is 知行录：知行合一 free?

知行录：知行合一 is free to download, with in-app purchases available.

### Do 松树自律 or 知行录：知行合一 have ads?

Neither 松树自律 nor 知行录：知行合一 shows ads.

### Which is updated more often, 松树自律 or 知行录：知行合一?

松树自律 ships an update every 6 days, and 知行录：知行合一 every 4 days. Most recently, 松树自律 was updated on November 7, 2026 and 知行录：知行合一 on November 3, 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.*