# ALD PDF vs Escala Pro

The clearest difference is ads: Escala Pro at none against ALD PDF's shown. Escala Pro also leads on update cadence (weekly vs fortnightly). ALD PDF's advantage is iOS requirement (11.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ALD PDF ships an update fortnightly, Escala Pro weekly. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ALD PDF | Escala Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Size | 8 MB | 56 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aido Domingues](https://appshunter.io/developer/959460436) | [Igor Tristao](https://appshunter.io/developer/1886562743) |

## What reviewers say

### ALD PDF

[App page](https://appshunter.io/ios/app/ald-pdf/id6476907535)

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

**In-app purchases:** none


### Escala Pro

[App page](https://appshunter.io/ios/app/escala-pro/id6760858151)

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

**In-app purchases:** none


## Frequently asked questions

### Is ALD PDF free?

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

### Is Escala Pro free?

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

### Do ALD PDF or Escala Pro have ads?

ALD PDF shows ads; Escala Pro does not.

### Which is updated more often, ALD PDF or Escala Pro?

ALD PDF ships an update fortnightly, and Escala Pro weekly. Most recently, ALD PDF was updated on October 1, 2026 and Escala Pro on October 9, 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.*