# UD Browser vs 超教科書

The clearest difference is review sentiment: UD Browser at 50% against 超教科書's 0%. UD Browser also leads on update cadence (weekly vs every 6 months) and iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UD Browser ships an update weekly, 超教科書 every 6 months. The most recent releases landed on September 16, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | UD Browser | 超教科書 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ud-browser/id986238350/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Free | — |
| Size | 148 MB | 24 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Climb App](https://appshunter.io/developer/404048459) | [BPS Co., Ltd.](https://appshunter.io/developer/382218933) |

## 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


### 超教科書

[App page](https://appshunter.io/ios/app/id1487009319)

**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 超教科書 free?

超教科書 is free to download, with no in-app purchases.

### Do UD Browser or 超教科書 have ads?

Neither UD Browser nor 超教科書 shows ads.

### Which is updated more often, UD Browser or 超教科書?

UD Browser ships an update weekly, and 超教科書 every 6 months. Most recently, UD Browser was updated on September 16, 2026 and 超教科書 on September 1, 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.*