# GoPdf.io vs Control Mark

GoPdf.io and Control Mark both sit at 5.0 stars, but that hides the real split: 100% of GoPdf.io's written reviews are positive against 0% of Control Mark's. GoPdf.io also leads on price (Free vs $0.99) and update cadence (every 2 weeks vs every 3 months). Control Mark's advantage is in-app purchases (none vs 2). On rating, ads and device support there is nothing between them.

GoPdf.io is free to download; Control Mark costs $0.99 up front. GoPdf.io sells 2 in-app purchases, starting at $9.99 per month. Control Mark asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for GoPdf.io against 5.0 for Control Mark. That said, the two scores are not equally well evidenced: GoPdf.io has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of GoPdf.io's written reviews are positive against 0% of Control Mark's.

GoPdf.io ships an update every 2 weeks, Control Mark every 3 months. The most recent releases landed on October 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | GoPdf.io | Control Mark |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/gopdfio/id6468447409/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/control-mark/id6670456731/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 21 MB | 14 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAYA SMART LLC](https://appshunter.io/developer/1641097768) | [Arno Appenzeller](https://appshunter.io/developer/515339331) |

## What reviewers say

### GoPdf.io

[App page](https://appshunter.io/ios/app/gopdfio/id6468447409)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to scan, fill, sign, convert, merge, protect, and compress PDFs, streamlining document workflows.

**Highlights:** Scan documents to PDF, Fill and sign PDF forms, Convert PDF to JPG, Convert PDF to Word, Merge multiple PDFs, Password protect PDFs, Compress PDF files

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $99.99 | per year |


### Control Mark

[App page](https://appshunter.io/ios/app/control-mark/id6670456731)

Create quick access shortcuts to your favorite websites. Add any webpage and place these shortcuts on your lockscreen, as action buttons, or as Control Center widgets for instant access.

**Highlights:** Add any webpage as a shortcut, Share sheet extension for easy adding, Customizable shortcut symbols, Lockscreen quick actions, Control Center widget integration, Action Button support

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

**In-app purchases:** none


## Frequently asked questions

### Is GoPdf.io free?

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

### Is Control Mark free?

Control Mark costs $0.99, with no in-app purchases.

### Which has better reviews, GoPdf.io or Control Mark?

GoPdf.io and Control Mark are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do GoPdf.io or Control Mark have ads?

Neither GoPdf.io nor Control Mark shows ads.

### Which is updated more often, GoPdf.io or Control Mark?

GoPdf.io ships an update every 2 weeks, and Control Mark every 3 months. Most recently, GoPdf.io was updated on October 1, 2026 and Control Mark 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.*