# DiaTouch vs 電柱番号ナビ

The clearest difference is price: DiaTouch at Free against 電柱番号ナビ's $5.99. 電柱番号ナビ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

DiaTouch is free to download; 電柱番号ナビ costs $5.99 up front. DiaTouch sells 1 one-off in-app purchase. 電柱番号ナビ asks for nothing beyond the download.

DiaTouch ships an update every 5 months, 電柱番号ナビ every 9 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DiaTouch | 電柱番号ナビ |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 7 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JungleProduction](https://appshunter.io/developer/451116266) | [SUMMERBANANA](https://appshunter.io/developer/1722829517) |

## 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 |


### 電柱番号ナビ

[App page](https://appshunter.io/ios/app/id6474924455)

**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 電柱番号ナビ free?

電柱番号ナビ costs $5.99, with no in-app purchases.

### Do DiaTouch or 電柱番号ナビ have ads?

DiaTouch shows ads; 電柱番号ナビ does not.

### Which is updated more often, DiaTouch or 電柱番号ナビ?

DiaTouch ships an update every 5 months, and 電柱番号ナビ every 9 days. Most recently, DiaTouch was updated on October 24, 2026 and 電柱番号ナビ on October 30, 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.*