# Touch Annotator vs Taio

The clearest difference is price: Taio at Free against Touch Annotator's $5.99. Taio also leads on rating (4.6 vs 1.0) and ratings volume (646 vs 1). Touch Annotator's advantage is in-app purchases (none vs 9) and iOS requirement (12.0 vs 15.0). On ads, monetization model and device support there is nothing between them.

Taio is free to download; Touch Annotator costs $5.99 up front. Taio sells 7 in-app purchases, starting at $1.49 per month. Touch Annotator asks for nothing beyond the download.

Taio holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Taio has 646 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of Touch Annotator's written reviews are positive against 78% of Taio's.

Touch Annotator ships an update every 3 weeks, Taio weekly. The most recent releases landed on June 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Touch Annotator | Taio |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/touch-annotator/id1478864595/reviews) | **[4.6 (646 ratings)](https://appshunter.io/ios/app/taio-markdown-and-text-actions/id1527036273/reviews)** |
| Number of ratings | 1 | **646** |
| Positive reviews | 60.0% of reviews | **77.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | Paid |
| Size | 8 MB | 44 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Intersection Bioscientific Software Inc.](https://appshunter.io/developer/1421897682) | [颖 钟](https://appshunter.io/developer/928924733) |

## What reviewers say

### Touch Annotator

[App page](https://appshunter.io/ios/app/touch-annotator/id1478864595)

This tool simplifies image annotation for object detection tasks. It automatically handles annotation formatting and offers intuitive controls for managing bounding boxes and labels. Choose from multiple export formats to seamlessly integrate with various machine learning frameworks.

**Highlights:** Automatic annotation formatting, Delete bounding boxes by holding, Rename labels and update all boxes, Select label by tapping a bounding box, Multiple export formats (Create ML, Turi Create, CSV), Request new format options

**Features:** macOS Compatibility

**In-app purchases:** none


### Taio

[App page](https://appshunter.io/ios/app/taio-markdown-and-text-actions/id1527036273)

This app offers advanced text processing for iPhone, iPad, and Mac. It features a robust markdown editor, clipboard management with iCloud sync, and a powerful actions system for custom workflows, including JavaScript support.

**Highlights:** Markdown editor with CommonMark and GitHub Flavored support, Clipboard management with iCloud sync and widgets, Customizable text actions and workflows, JavaScript scripting for advanced automation, Multi-tab editing and focus mode, Export to multiple formats, Full text and in-document search

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Taio Pro Monthly | $1.49 | per month |
| Taio Pro Yearly | $10.49 | per year |
| Taio Pro Yearly | $11.99 | per year |
| Taio Pro Yearly | $14.99 | per year |
| Taio Pro Lifetime | $29.99 | one-time |
| Taio Pro Lifetime | $37.99 | one-time |
| Taio Pro Lifetime | $46.99 | one-time |

**What reviewers like**

- 🚀 Great app
- 👍 Smooth and powerful
- 🔒 Robust features
- 💡 Useful actions and automation
- 👍 Clean and well-designed interface

**What reviewers complain about**

- 🐛 Sync issues
- 🐛 Crashes and stability problems
- 💰 Expensive premium features

**Reported bugs**

- Auto-numbering issues
- Export functionality not working
- Slow performance on some devices

**Requested features**

- Support for other cloud storage services
- Live Markdown preview
- Customizable themes and icons
- Improved tab and list management
- Spotlight search integration


## Frequently asked questions

### Is Touch Annotator free?

Touch Annotator costs $5.99, with no in-app purchases.

### Is Taio free?

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

### Which has better reviews, Touch Annotator or Taio?

Taio is rated higher. Touch Annotator averages 1.0 out of 5 from 1 ratings, while Taio averages 4.6 from 646 ratings.

### Do Touch Annotator or Taio have ads?

Neither Touch Annotator nor Taio shows ads.

### Which is updated more often, Touch Annotator or Taio?

Touch Annotator ships an update every 3 weeks, and Taio weekly. Most recently, Touch Annotator was updated on June 10, 2026 and Taio 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.*