# DiaTouch vs コロノート

The clearest difference is in-app purchases: コロノート at none against DiaTouch's 1. コロノート also leads on ads (none vs shown) and update cadence (daily vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DiaTouch sells 1 one-off in-app purchase. コロノート asks for nothing beyond the download.

DiaTouch ships an update every 5 months, コロノート daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | DiaTouch | コロノート |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 27 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JungleProduction](https://appshunter.io/developer/451116266) | [Curiouspark, Inc.](https://appshunter.io/developer/1496738925) |

## What reviewers say

### DiaTouch

[App page](https://appshunter.io/ios/app/diatouch/id583344231)

This application allows users to view and manage diagrams and timetables in various file formats, including WinDia, OuDIA, and OuDiaSecond. It provides different viewing options like timetable, diagram, and box diagram forms for easy organization and access to project information.

**Highlights:** Timetable form view, Diagram form view, BoxDiagram form view, Reads WinDia file format, Supports OuDIA and OuDiaSecond formats

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad area | $0.99 | one-time |


### コロノート

[App page](https://appshunter.io/ios/app/id6805934923)

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

**In-app purchases:** none


## Frequently asked questions

### Is DiaTouch free?

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

### Is コロノート free?

コロノート is free to download, with no in-app purchases.

### Do DiaTouch or コロノート have ads?

DiaTouch shows ads; コロノート does not.

### Which is updated more often, DiaTouch or コロノート?

DiaTouch ships an update every 5 months, and コロノート daily. Most recently, DiaTouch was updated on October 24, 2026 and コロノート 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.*