# PDF Reader, Editor & Scanner + vs SINQ

The clearest difference is in-app purchases: SINQ at none against PDF Reader, Editor & Scanner +'s 3. PDF Reader, Editor & Scanner +'s advantage is update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Reader, Editor & Scanner + sells 3 in-app purchases, starting at $4.99 per 7 days. SINQ asks for nothing beyond the download.

PDF Reader, Editor & Scanner + ships an update every 9 days, SINQ every 6 weeks. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | PDF Reader, Editor & Scanner + | SINQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Size | 71 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [WondaPro Co., Ltd](https://appshunter.io/developer/1687784114) | [SINQ LTD](https://appshunter.io/developer/1792866606) |

## What reviewers say

### PDF Reader, Editor & Scanner +

[App page](https://appshunter.io/ios/app/pdf-reader-editor-and-scanner-plus/id6740480851)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PDF Plus Subscription | $4.99 | per 7 days |
| Monthly PDF Plus Subscription | $9.99 | per month |
| Yearly PDF Plus Subscription | $79.99 | per year |


### SINQ

[App page](https://appshunter.io/ios/app/sinq/id6741070388)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader, Editor & Scanner + free?

PDF Reader, Editor & Scanner + is free to download, with in-app purchases available.

### Is SINQ free?

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

### Do PDF Reader, Editor & Scanner + or SINQ have ads?

Neither PDF Reader, Editor & Scanner + nor SINQ shows ads.

### Which is updated more often, PDF Reader, Editor & Scanner + or SINQ?

PDF Reader, Editor & Scanner + ships an update every 9 days, and SINQ every 6 weeks. Most recently, PDF Reader, Editor & Scanner + was updated on September 8, 2026 and SINQ on September 7, 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.*