# Open Scan vs Tertiary Scanner

The clearest difference is update cadence: Open Scan at fortnightly against Tertiary Scanner's every 5 weeks. Open Scan also leads on iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Open Scan ships an update fortnightly, Tertiary Scanner every 5 weeks. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Open Scan | Tertiary Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (65 ratings)](https://appshunter.io/ios/app/open-scan-pdf-scanner/id6738304816/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 14 MB | 1 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Musa Tenekeci](https://appshunter.io/developer/1773121832) | [Alfred Ang](https://appshunter.io/developer/1880940227) |

## What reviewers say

### Open Scan

[App page](https://appshunter.io/ios/app/open-scan-pdf-scanner/id6738304816)

Easily digitize documents, receipts, and notes into high-quality PDF files. Share your scanned documents instantly via email, messaging apps, or cloud storage. This app offers a simple yet flexible solution for all your document scanning needs.

**Highlights:** Quick document scanning, Convert scans to PDF, Instant sharing of PDFs, Seamless document management, Digitize receipts and notes

**In-app purchases:** none


### Tertiary Scanner

[App page](https://appshunter.io/ios/app/tertiary-scanner/id6779988762)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Scan free?

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

### Is Tertiary Scanner free?

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

### Do Open Scan or Tertiary Scanner have ads?

Neither Open Scan nor Tertiary Scanner shows ads.

### Which is updated more often, Open Scan or Tertiary Scanner?

Open Scan ships an update fortnightly, and Tertiary Scanner every 5 weeks. Most recently, Open Scan was updated on September 12, 2026 and Tertiary Scanner on September 10, 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.*