# PDF翻訳 マル秘 vs Rectoly for Mendeley

The clearest difference is update cadence: Rectoly for Mendeley at daily against PDF翻訳 マル秘's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF翻訳 マル秘 sells 2 in-app purchases, starting at $0.99 per month and Rectoly for Mendeley sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PDF翻訳 マル秘 ships an update weekly, Rectoly for Mendeley daily. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PDF翻訳 マル秘 | Rectoly for Mendeley |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rectoly-for-mendeley/id6798338667/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 43 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haruka Ando](https://appshunter.io/developer/6791998428) | [Takaki Takemura](https://appshunter.io/developer/6793454900) |

## What reviewers say

### PDF翻訳 マル秘

[App page](https://appshunter.io/ios/app/pdf-pdf/id6792310895)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $0.99 | per month |
| 全機能を解錠(買い切り) | $11.99 | one-time |


### Rectoly for Mendeley

[App page](https://appshunter.io/ios/app/rectoly-for-mendeley/id6798338667)

This app enhances the PDF reading and annotation experience for researchers, particularly those using Mendeley. It offers features like a reflowable reading mode, in-line annotation with Apple Pencil, text-to-speech, and tools for organizing research themes and figures.

**Highlights:** Reflowable Reading Mode, In-line PDF Annotation, Read Aloud (Text-to-Speech), Research Themes organization, Cross-paper annotation search, Manuscript side-by-side view, Mendeley Library Sync

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Rectoly Pro (one-time) | $49.99 | one-time |


## Frequently asked questions

### Is PDF翻訳 マル秘 free?

PDF翻訳 マル秘 is free to download, with in-app purchases available.

### Is Rectoly for Mendeley free?

Rectoly for Mendeley is free to download, with in-app purchases available.

### Do PDF翻訳 マル秘 or Rectoly for Mendeley have ads?

Neither PDF翻訳 マル秘 nor Rectoly for Mendeley shows ads.

### Which is updated more often, PDF翻訳 マル秘 or Rectoly for Mendeley?

PDF翻訳 マル秘 ships an update weekly, and Rectoly for Mendeley daily. Most recently, PDF翻訳 マル秘 was updated on October 12, 2026 and Rectoly for Mendeley on October 10, 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.*