# Amiun vs PDF Converter

The clearest difference is in-app purchases: Amiun at none against PDF Converter's 2. Amiun also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Converter sells 2 in-app purchases, starting at $2.99 per month. Amiun asks for nothing beyond the download.

Amiun ships an update every 3 months, PDF Converter every 2 months. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Amiun | PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (496 ratings)](https://appshunter.io/ios/app/pdf-converter/id6470334944/reviews)** |
| Number of ratings | — | **496** |
| Positive reviews | — | 78.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 4 MB | 39 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diego Nassif](https://appshunter.io/developer/1533677126) | [晓珍 胡](https://appshunter.io/developer/1673886500) |

## What reviewers say

### Amiun

[App page](https://appshunter.io/ios/app/amiun/id1533677124)

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

**In-app purchases:** none


### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter/id6470334944)

Easily convert photos and various document types into high-quality PDF files. This tool also allows you to split existing PDFs or merge multiple PDF documents into a single file.

**Highlights:** Convert photos to PDF, Import and merge various file formats (Word, Excel, PPT) to PDF, Split PDF files, Merge multiple PDF files, High-quality PDF creation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $9.99 | per year |

**What reviewers like**

- 👍 Excellent app
- 🚀 Super fast
- 👍 Good
- 👍 Great
- 👍 Good app

**What reviewers complain about**

- 😠 Charged for free trial
- 😠 Horrible app
- 😠 Does not do as mentioned
- 😠 Invasive advertising
- 😠 Very buggy

**Reported bugs**

- App does not convert files as advertised
- Invasive advertising slows down operations

**Requested features**

- Open PDF page


## Frequently asked questions

### Is Amiun free?

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

### Is PDF Converter free?

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

### Do Amiun or PDF Converter have ads?

PDF Converter shows ads; Amiun does not.

### Which is updated more often, Amiun or PDF Converter?

Amiun ships an update every 3 months, and PDF Converter every 2 months. Most recently, Amiun was updated on September 9, 2026 and PDF Converter on September 22, 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.*