# Doodle Books vs RainMark

The clearest difference is review sentiment: RainMark at 100% against Doodle Books's 25%. RainMark also leads on rating (4.8 vs 3.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RainMark holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 25% of Doodle Books's written reviews are positive against 100% of RainMark's.

Doodle Books ships an update every 3 weeks, RainMark every 10 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Doodle Books | RainMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/doodle-books/id843540638/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/rainmark/id6751396538/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 13 MB | 69 MB |
| Requires iOS | **11.0** | 12 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Brook Seaton](https://appshunter.io/developer/327728214) | [峻宏 刘](https://appshunter.io/developer/1834818077) |

## What reviewers say

### Doodle Books

[App page](https://appshunter.io/ios/app/doodle-books/id843540638)

Create sketches, doodles, drawings, and notes with a fast, fun, and easy-to-use interface. Features include various drawing tools, a large canvas, and the ability to record your creative process as a video.

**Highlights:** Sketch paper and color pencils, Eraser and smudge tools, 1024x1024 pixel canvas, 15 levels of undo, Video recording of drawing process, Multi-device sketchbook sync, Stamp tool for images

**Features:** macOS Compatibility

**In-app purchases:** none


### RainMark

[App page](https://appshunter.io/ios/app/rainmark/id6751396538)

Enhance your photos with professional watermark borders that automatically display shooting parameters. Choose from a variety of design templates and customize your signature and layout for a unique look. Export your creations in original quality with fast batch processing.

**Highlights:** Smart EXIF parameter reading, Professional design templates, Deep watermark customization, Signature support (text/image), Ultra-fast batch processing, Original quality export, Real-time preview

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Doodle Books free?

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

### Is RainMark free?

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

### Which has better reviews, Doodle Books or RainMark?

RainMark is rated higher. Doodle Books averages 3.0 out of 5 from 2 ratings, while RainMark averages 4.8 from 4 ratings.

### Do Doodle Books or RainMark have ads?

Neither Doodle Books nor RainMark shows ads.

### Which is updated more often, Doodle Books or RainMark?

Doodle Books ships an update every 3 weeks, and RainMark every 10 days. Most recently, Doodle Books was updated on October 12, 2026 and RainMark 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.*