# PDF Reader & Editor vs シンプル単位変換

The clearest difference is in-app purchases: シンプル単位変換 at none against PDF Reader & Editor's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Reader & Editor sells 4 in-app purchases, starting at $7.99 per 7 days. シンプル単位変換 asks for nothing beyond the download.

PDF Reader & Editor ships an update every 8 days, シンプル単位変換 weekly. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PDF Reader & Editor | シンプル単位変換 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-reader-and-editor-ora-docs/id6764726056/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 135 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INFINITYORIGIN PTE. LTD.](https://appshunter.io/developer/1886758412) | [Searial, Inc.](https://appshunter.io/developer/1875914396) |

## What reviewers say

### PDF Reader & Editor

[App page](https://appshunter.io/ios/app/pdf-reader-and-editor-ora-docs/id6764726056)

This app consolidates various document types, including office files, text, code, and media, into a single, lightweight application. It offers reading, basic editing for text formats, and smart file management with quick search and sharing capabilities.

**Highlights:** Supports PDF, Word, Excel, PowerPoint, and eBooks, Handles TXT, Markdown, CSV, JSON, and XML, Previews images, videos, and audio files, Smart file management and organization, Deep-scan search functionality, Basic text and Markdown editing, One-tap sharing to cloud storage and apps

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week | $7.99 | per 7 days |
| One Week | $7.99 | per 7 days |
| One Year | $49.99 | per year |
| Lifetime | $99.99 | one-time |


### シンプル単位変換

[App page](https://appshunter.io/ios/app/id6787664726)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader & Editor free?

PDF Reader & Editor is free to download, with in-app purchases available.

### Is シンプル単位変換 free?

シンプル単位変換 is free to download, with no in-app purchases.

### Do PDF Reader & Editor or シンプル単位変換 have ads?

Both PDF Reader & Editor and シンプル単位変換 show ads.

### Which is updated more often, PDF Reader & Editor or シンプル単位変換?

PDF Reader & Editor ships an update every 8 days, and シンプル単位変換 weekly. Most recently, PDF Reader & Editor was updated on October 16, 2026 and シンプル単位変換 on October 3, 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.*