# iMark · Image Annotation Tool vs TrainVision

The clearest difference is in-app purchases: TrainVision at none against iMark · Image Annotation Tool's 4. TrainVision also leads on rating (5.0 vs 4.6). iMark · Image Annotation Tool's advantage is ratings volume (384 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. iMark · Image Annotation Tool sells 4 one-off in-app purchases. TrainVision asks for nothing beyond the download.

TrainVision holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: iMark · Image Annotation Tool has 384 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | iMark · Image Annotation Tool | TrainVision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (384 ratings)](https://appshunter.io/ios/app/imark-image-annotation-tool/id1174741369/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trainvision/id6784802709/reviews)** |
| Number of ratings | **384** | 1 |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 93 MB | 45 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [Teimuraz Kantariya](https://appshunter.io/developer/6784802711) |

## 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


### TrainVision

[App page](https://appshunter.io/ios/app/trainvision/id6784802709)

This app transforms mobile devices into tools for creating custom machine learning datasets. Capture and annotate images in the field, even offline, with automatic metadata tagging. Coordinate teams and export data in standard formats for your ML pipeline.

**Highlights:** Offline capture and annotation, Automatic metadata (GPS, timestamp), Apple Pencil support on iPad, Cloud sync, Admin and contributor roles, Web dashboard for management, Export to COCO, YOLO, CSV

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

**In-app purchases:** none


## Frequently asked questions

### Is iMark · Image Annotation Tool free?

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

### Is TrainVision free?

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

### Which has better reviews, iMark · Image Annotation Tool or TrainVision?

TrainVision is rated higher. iMark · Image Annotation Tool averages 4.6 out of 5 from 384 ratings, while TrainVision averages 5.0 from 1 ratings.

### Do iMark · Image Annotation Tool or TrainVision have ads?

Neither iMark · Image Annotation Tool nor TrainVision shows ads.

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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.*