# Synergy App vs PDF Reader

The clearest difference is in-app purchases: Synergy App at none against PDF Reader's 2. Synergy App also leads on ads (none vs shown). PDF Reader's advantage is update cadence (every 10 days vs every 3 months) and chart position (#80 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $5.99 per 7 days. Synergy App asks for nothing beyond the download.

Synergy App ships an update every 3 months, PDF Reader every 10 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Synergy App | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (316 ratings)](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880/reviews)** |
| Number of ratings | — | **316** |
| Positive reviews | — | 42.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#80** |
| Size | 176 MB | 72 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synel M.L.L PayWay](https://appshunter.io/developer/675068558) | [Fuzhou Jiange Technology Co., Ltd.](https://appshunter.io/developer/1821346905) |

## What reviewers say

### Synergy App

[App page](https://appshunter.io/ios/app/synergy-app/id1472157934)

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

**In-app purchases:** none


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880)

**Currently charting:** #80 Top Free · Productivity (US App Store)

This mobile app acts as a PDF office assistant, offering features for editing, scanning, and optical character recognition. It allows for easy document management, page manipulation, and conversion of images and paper documents into editable digital files.

**Highlights:** PDF Editing, Image to PDF conversion, Import PDF files, OCR Text Recognition, Add, delete, rearrange pages, Filters, highlights, annotations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader Ad-Free | $5.99 | per 7 days |
| PDF Reader Ad-Free | $29.99 | per year |


## Frequently asked questions

### Is Synergy App free?

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

### Is PDF Reader free?

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

### Do Synergy App or PDF Reader have ads?

PDF Reader shows ads; Synergy App does not.

### Which is updated more often, Synergy App or PDF Reader?

Synergy App ships an update every 3 months, and PDF Reader every 10 days. Most recently, Synergy App was updated on October 3, 2026 and PDF Reader on October 15, 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.*