# iMark · Image Annotation Tool vs ScanScan(白描)

The clearest difference is review sentiment: ScanScan(白描) at 87% against iMark · Image Annotation Tool's 72%. ScanScan(白描) also leads on rating (4.8 vs 4.6). iMark · Image Annotation Tool's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. iMark · Image Annotation Tool sells 4 one-off in-app purchases and ScanScan(白描) sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScanScan(白描) holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 381 and 349 respectively. Written reviews point the same way: 72% of iMark · Image Annotation Tool's written reviews are positive against 87% of ScanScan(白描)'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | iMark · Image Annotation Tool | ScanScan(白描) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (381 ratings)](https://appshunter.io/ios/app/imark-image-annotation-tool/id1174741369/reviews) | **[4.8 (349 ratings)](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692/reviews)** |
| Number of ratings | **381** | 349 |
| Positive reviews | 71.9% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [新乐 陶](https://appshunter.io/developer/826439308) |

## What reviewers say

### iMark · Image Annotation Tool

[App page](https://appshunter.io/ios/app/imark-image-annotation-tool/id1174741369)

Enhance and annotate images with a comprehensive set of tools. Import from your photo library, camera, or maps, and customize your markups with various styles. Easily export and share your creations.

**Highlights:** Diverse annotation tools (arrow, text, mosaic, etc.), Import from photo library, camera, and maps, Customizable color schemes and history sessions, Crop and layer management, Export with custom image size, Supports iOS Photo Extension

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $2.99 | one-time |
| Silver Coin | $5.99 | one-time |
| Gold Coin | $14.99 | one-time |
| Coffee for Everyone | $29.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 🎨 Comprehensive annotation tools (arrows, shapes, text, magnifier)
- 💰 Completely free with no ads
- 🎯 Powerful features for screenshot markup
- 🔧 Customizable colors and styling options

**What reviewers complain about**

- 💧 Persistent watermark on all saved images
- 🌐 Language defaults to Chinese with difficult switching
- 📝 Text size limitations on large images
- 🎨 Limited font customization options
- ⚙️ Text bubble tail control is limited

**Reported bugs**

- App crashes when using brush/pen features
- Export button hidden by system UI
- Annotations disappearing after one day
- Keyboard engagement obscures image during text input
- Magnifier tool functionality issues

**Requested features**

- Ability to remove watermark (paid option requested)
- Multiple language support with easy switching
- Filled/solid geometric shapes
- Curved arrows instead of straight only
- Multiple font selection from Google Fonts


### ScanScan(白描)

[App page](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692)

This app uses advanced machine learning to accurately extract editable text from images and documents. It can also scan and convert documents into clear PDF files, with support for batch processing and multiple languages.

**Highlights:** Machine learning for accurate OCR, Edit and export OCR results (.txt, .docx), Multi-language text recognition, Scan documents to image/PDF, PDF to image conversion, Batch processing (OCR, color filter), Multi-language translation

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Provide food for cat | $2.99 | one-time |
| 普通会员(永久) | $3.99 | one-time |
| 普通会员(优惠) | $3.99 | one-time |
| 黄金会员(优惠) | $3.99 | one-time |
| Senior VIP (Permanent) | $5.99 | one-time |


## Frequently asked questions

### Is iMark · Image Annotation Tool free?

iMark · Image Annotation Tool is free to download, with in-app purchases available.

### Is ScanScan(白描) free?

ScanScan(白描) is free to download, with in-app purchases available.

### Which has better reviews, iMark · Image Annotation Tool or ScanScan(白描)?

ScanScan(白描) is rated higher. iMark · Image Annotation Tool averages 4.6 out of 5 from 381 ratings, while ScanScan(白描) averages 4.8 from 349 ratings.

### Do iMark · Image Annotation Tool or ScanScan(白描) have ads?

Neither iMark · Image Annotation Tool nor ScanScan(白描) shows ads.

### Which is updated more often, iMark · Image Annotation Tool or ScanScan(白描)?

iMark · Image Annotation Tool ships an update every 2 months, and ScanScan(白描) every 2 months. Most recently, iMark · Image Annotation Tool was updated on September 22, 2026 and ScanScan(白描) 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.*