# 知行录：知行合一 vs DownMark

The clearest difference is update cadence: 知行录：知行合一 at every 4 days against DownMark's fortnightly. On price, ads, in-app purchases 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 and DownMark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

知行录：知行合一 ships an update every 4 days, DownMark fortnightly. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 知行录：知行合一 | DownMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6464384641/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 1 MB | 11 MB |
| Requires iOS | 18.0 | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [文丰 邓](https://appshunter.io/developer/1543612991) | [祎 万](https://appshunter.io/developer/1185381861) |

## What reviewers say

### 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 |


### DownMark

[App page](https://appshunter.io/ios/app/downmark-web-to-markdown/id6788638742)

**Features:** Safari Extension, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Lifetime | $4.99 | one-time |


## Frequently asked questions

### 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.

### Is DownMark free?

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

### Do 知行录：知行合一 or DownMark have ads?

Neither 知行录：知行合一 nor DownMark shows ads.

### Which is updated more often, 知行录：知行合一 or DownMark?

知行录：知行合一 ships an update every 4 days, and DownMark fortnightly. Most recently, 知行录：知行合一 was updated on October 14, 2026 and DownMark on September 28, 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.*