Comparison

Touch Annotator vs Taio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Touch Annotator

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
Read full description

Touch annotator is an image annotation platform for object detection. It automatically manages formatting the annotations. Touch Annotator also has some other useful features: 1. the ability to delete bounding boxes by holding them. 2. the ability to rename label by holding label. This renames all previously created bounding boxes. 3. the ability to select a label by tapping on a bounding box that belongs to it. The app lets you choose the format of your annotations. This is to save you the work of having to reformat the results before using them with a framework. Currently, Touch annotator supports: 1. Create ML 2. Turi Create 3. CSV with the origin on the top left corner 4. CSV with the origin on the bottom left corner 5. CSV with the origin on the bottom right corner 6. CSV with the origin on the top right corner more formats are going to be added over time. To request a format, please reach out to us at support@intersection.software

About

Taio

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
Read full description

> Trusted by more than 200K users. > Featured as "Be the First to Try These Apps" and "Hot This Week" by Apple. > Featured by well-known media like iMore and MacStories. # Taio A modern app for text processing on iPhone, iPad, and Mac, provides seamless experience for clipboard, markdown editing and text workflows. Taio supports Universal Purchase, pay once to use on iPhone, iPad and Mac devices. ## Main Features ### Clipboard Taio takes clipboard data as one of the input sources, you can capture it quickly for *temporary* use. Saved records can be synchronized across your iOS devices using iCloud, we also provide beautiful home screen widgets for better experience. ### Editor Taio provides a full-fledged **Markdown** editor, it supports `CommonMark` and `GitHub Flavored` standards. Instead of telling you everything, we would like to highlight some great stuff here: - Full text search, in-document search - Built-in image uploading - Focus mode - Multi-Tab editing - Multiple color themes - Toolbar for beginners - Outline view - Math formulas and diagrams - Tags, wikilinks and backlinks - Export to multiple formats - Dynamic text in snippets - Open file system that can be accessed by other apps - Syntax highlighting for common programming languages There are more interesting features we cannot cover here, please try it out! ### Actions Text actions in Taio is a powerful mechanism to provide extensibility for both **clipboard** and **editor**, it works the same as the `Shortcuts` app. You can build your own workflows using several action blocks, with support for variables and control flows. Furthermore, if the built-in actions don't meet your needs, you can even write action blocks using **JavaScript**. The JavaScript engine in Taio is powered by JSBox, it provides tons of API bindings to interact with iOS. ## Customer Support Feel free to reach us out if you have any suggestions or ideas. - Website: https://taio.app - Email: hi@taio.app - Twitter: @TaioApp Privacy policy: https://docs.taio.app/#/privacy Terms of service: https://docs.taio.app/#/terms Thank you so much for reading this, we hope you enjoy using our app!

Screenshots

Touch Annotator4 screens
Taio4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard7 real differences · 3 level
Touch Annotator versus Taio: the parameters behind the verdict, then further details
ParameterTouch AnnotatorTaio
Price$5.99Free — better
Rating1.0 (1 ratings)4.6 (646 ratings) — better
Positive reviews60.0% of reviews77.8% of reviews — better
Number of ratings1646 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.0 — better15.0
Further details — not scored
Size8 MB44 MB
Age rating4+4+
DeveloperIntersection Bioscientific Software Inc.颖 钟

Customer experience

Touch Annotator

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Taio

All ratings646 ratings
Positive89.0%
Neutral2.3%
Negative8.7%
Written reviews167 reviews
Positive77.8%
Neutral7.2%
Negative15.0%

Bugs and requests

Touch Annotator

Not enough reviews yet to summarise bugs or requests.

Taio

Reported bugs

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

Requested features

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

In-app purchases

None

Touch Annotator

No in-app purchases

7 purchases

Taio

Subscriptions4
  • Taio Pro Monthly3 Days trial3 variants$1.491 Month
  • Taio Pro Yearly14 Days trial$10.491 Year
  • Taio Pro Yearly14 Days trial$11.991 Year
Show 1 more
  • Taio Pro Yearly14 Days trial$14.991 Year
One-time3
  • Taio Pro Lifetime$29.99
  • Taio Pro Lifetime$37.99
  • Taio Pro Lifetime$46.99

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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