# Tertiary Scanner vs DocuScan

The clearest difference is update cadence: Tertiary Scanner at every 5 weeks against DocuScan's every 3 months. DocuScan's advantage is iOS requirement (15.0 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.

Tertiary Scanner ships an update every 5 weeks, DocuScan every 3 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Tertiary Scanner | DocuScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 1 MB | 24 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alfred Ang](https://appshunter.io/developer/1880940227) | [Md Kamrul Hasan](https://appshunter.io/developer/6784673455) |

## What reviewers say

### Tertiary Scanner

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

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

**In-app purchases:** none


### DocuScan

[App page](https://appshunter.io/ios/app/docuscan-ai-based-camscanner/id6785069572)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tertiary Scanner free?

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

### Is DocuScan free?

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

### Do Tertiary Scanner or DocuScan have ads?

Neither Tertiary Scanner nor DocuScan shows ads.

### Which is updated more often, Tertiary Scanner or DocuScan?

Tertiary Scanner ships an update every 5 weeks, and DocuScan every 3 months. Most recently, Tertiary Scanner was updated on October 15, 2026 and DocuScan on October 16, 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.*