# MarkRender vs Chat Diary

The clearest difference is price: Chat Diary at Free against MarkRender's $0.99. MarkRender's advantage is in-app purchases (none vs 3) and iOS requirement (16.0 vs 26.1). On update cadence, ads and device support there is nothing between them.

Chat Diary is free to download; MarkRender costs $0.99 up front. Chat Diary sells 3 one-off in-app purchases. MarkRender asks for nothing beyond the download.

MarkRender ships an update every 2 weeks, Chat Diary every 3 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MarkRender | Chat Diary |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 3 MB | 6 MB |
| Requires iOS | **16.0** | 26.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Beiing Stag Beetle Technology Co., Ltd.](https://appshunter.io/developer/1797439736) | [娟 付](https://appshunter.io/developer/1838965385) |

## What reviewers say

### MarkRender

[App page](https://appshunter.io/ios/app/markrender-markdown-to-image/id6742208193)

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

**In-app purchases:** none


### Chat Diary

[App page](https://appshunter.io/ios/app/chat-diary-ai-life-journal/id6760155407)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Monthly | $2.99 | one-time |
| VIP Yearly | $19.99 | one-time |
| VIP Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is MarkRender free?

MarkRender costs $0.99, with no in-app purchases.

### Is Chat Diary free?

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

### Do MarkRender or Chat Diary have ads?

Neither MarkRender nor Chat Diary shows ads.

### Which is updated more often, MarkRender or Chat Diary?

MarkRender ships an update every 2 weeks, and Chat Diary every 3 weeks. Most recently, MarkRender was updated on October 17, 2026 and Chat Diary on October 24, 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.*