# syntheticdocs vs PDF Highlighter

The clearest difference is price: syntheticdocs at Free against PDF Highlighter's $1.99. syntheticdocs also leads on iOS requirement (15.1 vs 18.2). PDF Highlighter's advantage is device support. On in-app purchases there is nothing between them.

syntheticdocs is free to download; PDF Highlighter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | syntheticdocs | PDF Highlighter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Paid |
| Size | 24 MB | 7 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Serendipity AI Limited](https://appshunter.io/developer/1441974454) | [Taptix Ltd](https://appshunter.io/developer/284848263) |

## What reviewers say

### syntheticdocs

[App page](https://appshunter.io/ios/app/syntheticdocs/id6478117546)

**In-app purchases:** none


### PDF Highlighter

[App page](https://appshunter.io/ios/app/pdf-highlighter/id6742075741)

Effortlessly highlight key information in PDF documents with custom colors and multiple search terms. This tool automates the highlighting process, saving time for professionals and students alike. Export or print your annotated PDFs with ease.

**Highlights:** Automatic highlighting of words and phrases, Multiple highlight colors, Supports multiple search terms, Regular expression support for advanced searches, Export and print highlighted documents, Direct sharing from other apps

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is syntheticdocs free?

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

### Is PDF Highlighter free?

PDF Highlighter costs $1.99, with no in-app purchases.

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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.*