# OTL APPS vs PDFAmora

The clearest difference is in-app purchases: OTL APPS at none against PDFAmora's 1. OTL APPS also leads on ads (none vs shown). PDFAmora's advantage is update cadence (weekly vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDFAmora sells 1 one-off in-app purchase. OTL APPS asks for nothing beyond the download.

OTL APPS ships an update every 3 weeks, PDFAmora weekly. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OTL APPS | PDFAmora |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 59 MB | 35 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onward Technologies Limited](https://appshunter.io/developer/1099944676) | [Nhu Dinh Tao](https://appshunter.io/developer/995315197) |

## What reviewers say

### OTL APPS

[App page](https://appshunter.io/ios/app/otl-apps/id6695746855)

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

**In-app purchases:** none


### PDFAmora

[App page](https://appshunter.io/ios/app/pdfamora-merge-and-split-pdf/id6763291088)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is OTL APPS free?

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

### Is PDFAmora free?

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

### Do OTL APPS or PDFAmora have ads?

PDFAmora shows ads; OTL APPS does not.

### Which is updated more often, OTL APPS or PDFAmora?

OTL APPS ships an update every 3 weeks, and PDFAmora weekly. Most recently, OTL APPS was updated on November 4, 2026 and PDFAmora on October 28, 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.*