# Swift SOS vs All Document Viewer & Reader

The clearest difference is in-app purchases: Swift SOS at none against All Document Viewer & Reader's 3. Swift SOS also leads on ads (none vs shown). All Document Viewer & Reader's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. All Document Viewer & Reader sells 3 in-app purchases, starting at $4.99 per month. Swift SOS asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Swift SOS | All Document Viewer & Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 145 MB | 43 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Swift SOS Ltd](https://appshunter.io/developer/1678732978) | [Monali Paghadal](https://appshunter.io/developer/1577491687) |

## What reviewers say

### Swift SOS

[App page](https://appshunter.io/ios/app/swift-sos/id6446685903)

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

**In-app purchases:** none


### All Document Viewer & Reader

[App page](https://appshunter.io/ios/app/all-document-viewer-and-reader/id6757525786)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| SixMonthly | $24.99 | per 6 months |
| Yearly | $44.99 | per year |


## Frequently asked questions

### Is Swift SOS free?

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

### Is All Document Viewer & Reader free?

All Document Viewer & Reader is free to download, with in-app purchases available.

### Do Swift SOS or All Document Viewer & Reader have ads?

All Document Viewer & Reader shows ads; Swift SOS does not.

### Which is updated more often, Swift SOS or All Document Viewer & Reader?

Swift SOS ships an update fortnightly, and All Document Viewer & Reader fortnightly. Most recently, Swift SOS was updated on September 8, 2026 and All Document Viewer & Reader on September 13, 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.*