# EDX UniText vs 心電図Navi

The clearest difference is in-app purchases: EDX UniText at none against 心電図Navi's 1. EDX UniText also leads on device support (4 vs 2) and iOS requirement (12.0 vs 17.0). 心電図Navi's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. 心電図Navi sells 1 one-off in-app purchase. EDX UniText asks for nothing beyond the download.

EDX UniText ships an update every 2 months, 心電図Navi every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EDX UniText | 心電図Navi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 58 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [NTT EDX Corporation.](https://appshunter.io/developer/1610967104) | [Takahiro Ito](https://appshunter.io/developer/6787806782) |

## What reviewers say

### EDX UniText

[App page](https://appshunter.io/ios/app/edx-unitext/id1553710943)

This application provides a digital textbook and learning material viewer for educational institutions. It offers essential study features like highlighting and note-taking while protecting copyrighted content with a DRM system. Access requires a separate contract with an educational institution.

**Highlights:** Digital textbook viewer, Learning material viewer, DRM system for copyright protection, Highlighting tools, Note-taking functionality

**Features:** Vision Pro support

**In-app purchases:** none


### 心電図Navi

[App page](https://appshunter.io/ios/app/navi/id6802314816)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フル版（全波形解放） | $5.99 | one-time |


## Frequently asked questions

### Is EDX UniText free?

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

### Is 心電図Navi free?

心電図Navi is free to download, with in-app purchases available.

### Do EDX UniText or 心電図Navi have ads?

Neither EDX UniText nor 心電図Navi shows ads.

### Which is updated more often, EDX UniText or 心電図Navi?

EDX UniText ships an update every 2 months, and 心電図Navi every 3 weeks. Most recently, EDX UniText was updated on October 24, 2026 and 心電図Navi on October 25, 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.*