# Document Scanner Pro Ultimate vs CosmoViewer

Document Scanner Pro Ultimate and CosmoViewer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Document Scanner Pro Ultimate ships an update every 9 days, CosmoViewer every 2 weeks. The most recent releases landed on September 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Document Scanner Pro Ultimate | CosmoViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 3 MB | 4 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Himanshu Nag](https://appshunter.io/developer/1278862377) | [Sergey Serov](https://appshunter.io/developer/604554653) |

## What reviewers say

### Document Scanner Pro Ultimate

[App page](https://appshunter.io/ios/app/document-scanner-pro-ultimate/id6560103988)

**Features:** macOS Compatibility

**In-app purchases:** none


### CosmoViewer

[App page](https://appshunter.io/ios/app/cosmoviewer/id6781242460)

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

**In-app purchases:** none


## Frequently asked questions

### Is Document Scanner Pro Ultimate free?

Document Scanner Pro Ultimate is free to download, with no in-app purchases.

### Is CosmoViewer free?

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

### Do Document Scanner Pro Ultimate or CosmoViewer have ads?

Neither Document Scanner Pro Ultimate nor CosmoViewer shows ads.

### Which is updated more often, Document Scanner Pro Ultimate or CosmoViewer?

Document Scanner Pro Ultimate ships an update every 9 days, and CosmoViewer every 2 weeks. Most recently, Document Scanner Pro Ultimate was updated on September 9, 2026 and CosmoViewer on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*