# PDF AutoScroll vs Trimly

The clearest difference is price: Trimly at Free against PDF AutoScroll's $5.49. Trimly also leads on update cadence (every 2 days vs every 2 weeks). PDF AutoScroll's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

Trimly is free to download; PDF AutoScroll costs $5.49 up front. Trimly sells 1 one-off in-app purchase. PDF AutoScroll asks for nothing beyond the download.

PDF AutoScroll ships an update every 2 weeks, Trimly every 2 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF AutoScroll | Trimly |
| --- | --- | --- |
| Price | $5.49 | **Free** |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/pdf-autoscroll/id6743747935/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paran](https://appshunter.io/developer/1698510581) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### PDF AutoScroll

[App page](https://appshunter.io/ios/app/pdf-autoscroll/id6743747935)

This app allows hands-free reading of documents, research papers, and sheet music with smooth auto-scrolling. It offers precise speed control, search, highlights, bookmarks, and dark mode for an enhanced reading experience.

**Highlights:** Smooth auto-scroll with speed control, Search, highlights, and bookmarks, Dark Mode for reading, Last-position restore, Page margin trimming, Side-by-side PDF reading

**Features:** Vision Pro support

**In-app purchases:** none


### Trimly

[App page](https://appshunter.io/ios/app/trimly-pdf-crop/id6792145140)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is PDF AutoScroll free?

PDF AutoScroll costs $5.49, with no in-app purchases.

### Is Trimly free?

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

### Do PDF AutoScroll or Trimly have ads?

Neither PDF AutoScroll nor Trimly shows ads.

### Which is updated more often, PDF AutoScroll or Trimly?

PDF AutoScroll ships an update every 2 weeks, and Trimly every 2 days. Most recently, PDF AutoScroll was updated on November 8, 2026 and Trimly on October 31, 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.*