# UD Browser vs 教科書ドリル 生理学

The clearest difference is price: UD Browser at Free against 教科書ドリル 生理学's $19.99. UD Browser also leads on update cadence (every 6 days vs fortnightly) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

UD Browser is free to download; 教科書ドリル 生理学 costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UD Browser ships an update every 6 days, 教科書ドリル 生理学 fortnightly. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | UD Browser | 教科書ドリル 生理学 |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ud-browser/id986238350/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Free | — |
| Size | 156 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Climb App](https://appshunter.io/developer/404048459) | [Kazuhiro Kurosawa](https://appshunter.io/developer/1884525970) |

## What reviewers say

### UD Browser

[App page](https://appshunter.io/ios/app/ud-browser/id986238350)

This app enhances reading accessibility with universal design principles. It supports various e-book formats, offers OCR for document digitization, and includes text-to-speech and zoom features for comfortable reading by anyone.

**Highlights:** Universal design for accessibility, Supports EPUB, DAISY, PDF, HTML formats, OCR for digitizing paper documents, Text-to-speech functionality, Keyboard navigation and zoom display, Reflowable and fixed layouts

**In-app purchases:** none


### 教科書ドリル 生理学

[App page](https://appshunter.io/ios/app/id6783139309)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UD Browser free?

UD Browser is free to download, with no in-app purchases.

### Is 教科書ドリル 生理学 free?

教科書ドリル 生理学 costs $19.99, with no in-app purchases.

### Do UD Browser or 教科書ドリル 生理学 have ads?

Neither UD Browser nor 教科書ドリル 生理学 shows ads.

### Which is updated more often, UD Browser or 教科書ドリル 生理学?

UD Browser ships an update every 6 days, and 教科書ドリル 生理学 fortnightly. Most recently, UD Browser was updated on October 20, 2026 and 教科書ドリル 生理学 on October 8, 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.*