# Auto Scroll PDF vs BidCheck

The clearest difference is update cadence: BidCheck at every 4 days against Auto Scroll PDF's every 10 days. Auto Scroll PDF's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support 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 BidCheck sells 1 in-app purchase, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Auto Scroll PDF ships an update every 10 days, BidCheck every 4 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Auto Scroll PDF | BidCheck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Paid | — |
| Size | 35 MB | 18 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [Michael Hannan](https://appshunter.io/developer/1886184864) |

## 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 |


### BidCheck

[App page](https://appshunter.io/ios/app/bidcheck/id6760777024)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BidCheck Annual | $29.99 | per year |


## Frequently asked questions

### Is Auto Scroll PDF free?

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

### Is BidCheck free?

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

### Do Auto Scroll PDF or BidCheck have ads?

Neither Auto Scroll PDF nor BidCheck shows ads.

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

Auto Scroll PDF ships an update every 10 days, and BidCheck every 4 days. Most recently, Auto Scroll PDF was updated on October 8, 2026 and BidCheck 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.*