# Zinnect vs Auto Scroll PDF

The clearest difference is in-app purchases: Zinnect at none against Auto Scroll PDF's 3. Zinnect also leads on review sentiment (100% vs 67%). On price, update cadence, ads 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. Zinnect asks for nothing beyond the download.

Zinnect ships an update every 9 days, Auto Scroll PDF every 10 days. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Zinnect | Auto Scroll PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zinnect-contact-centric-to-do/id6468470396/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | **Free** | Paid |
| Size | 99 MB | 39 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zinnect Inc](https://appshunter.io/developer/1709932053) | [Seiya.k](https://appshunter.io/developer/383021944) |

## What reviewers say

### Zinnect

[App page](https://appshunter.io/ios/app/zinnect-contact-centric-to-do/id6468470396)

Organize your tasks by linking them directly to your contacts. Create personal or team to-do lists with AI-powered features to manage your professional and personal network efficiently. Available on mobile and web.

**Highlights:** Contact-centric task creation, Team to-do lists, AI-powered task sorting, Voice to-dos with transcription, Business card scanner, Mobile and web availability

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Zinnect free?

Zinnect is free to download, with no in-app purchases.

### Is Auto Scroll PDF free?

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

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

Neither Zinnect nor Auto Scroll PDF shows ads.

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

Zinnect ships an update every 9 days, and Auto Scroll PDF every 10 days. Most recently, Zinnect was updated on September 14, 2026 and Auto Scroll PDF on September 21, 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.*