# Auto Scroll PDF vs Aozora Research

The clearest difference is update cadence: Aozora Research at every 2 days against Auto Scroll PDF's every 5 days. Auto Scroll PDF's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Auto Scroll PDF sells 3 in-app purchases, starting at $1.49 per month and Aozora Research sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Auto Scroll PDF ships an update every 5 days, Aozora Research every 2 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Auto Scroll PDF | Aozora Research |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/auto-scroll-pdf/id6752554086/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Paid | — |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [seiya kawano](https://appshunter.io/developer/383021944) | [yasuyoshi tsuzaki](https://appshunter.io/developer/603099808) |

## What reviewers say

### Auto Scroll PDF

[App page](https://appshunter.io/ios/app/auto-scroll-pdf/id6752554086)

This app automatically scrolls through your PDF documents, allowing for a hands-free reading experience. It's ideal for following recipes, studying, or presenting without needing to manually turn pages.

**Highlights:** Automatic scrolling, Adjustable scroll speed, Page-by-page mode, Bookmarks, Dark mode, Full screen mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.49 | per month |
| Premium Yearly | $6.99 | per year |
| Premium Lifetime | $12.99 | one-time |


### Aozora Research

[App page](https://appshunter.io/ios/app/aozora-research/id6775665920)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO解除 | $2.99 | one-time |


## Frequently asked questions

### Is Auto Scroll PDF free?

Auto Scroll PDF is free to download, with in-app purchases available.

### Is Aozora Research free?

Aozora Research is free to download, with in-app purchases available.

### Do Auto Scroll PDF or Aozora Research have ads?

Neither Auto Scroll PDF nor Aozora Research shows ads.

### Which is updated more often, Auto Scroll PDF or Aozora Research?

Auto Scroll PDF ships an update every 5 days, and Aozora Research every 2 days. Most recently, Auto Scroll PDF was updated on October 28, 2026 and Aozora Research on October 24, 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.*