# Viewer3D vs SwiftConvert

The clearest difference is price: SwiftConvert at Free against Viewer3D's $0.99. SwiftConvert also leads on update cadence (every 6 days vs every 3 months). Viewer3D's advantage is ads (none vs shown) and device support (3 vs 1). On in-app purchases there is nothing between them.

SwiftConvert is free to download; Viewer3D costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Viewer3D ships an update every 3 months, SwiftConvert every 6 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Viewer3D | SwiftConvert |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 24 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [北京秤鑫科技有限公司](https://appshunter.io/developer/1865113112) | [Sui Fai Law](https://appshunter.io/developer/1889201616) |

## What reviewers say

### Viewer3D

[App page](https://appshunter.io/ios/app/viewer3d/id6757183916)

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

**In-app purchases:** none


### SwiftConvert

[App page](https://appshunter.io/ios/app/swiftconvert-file-converter/id6761742906)

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

**In-app purchases:** none


## Frequently asked questions

### Is Viewer3D free?

Viewer3D costs $0.99, with no in-app purchases.

### Is SwiftConvert free?

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

### Do Viewer3D or SwiftConvert have ads?

SwiftConvert shows ads; Viewer3D does not.

### Which is updated more often, Viewer3D or SwiftConvert?

Viewer3D ships an update every 3 months, and SwiftConvert every 6 days. Most recently, Viewer3D was updated on September 22, 2026 and SwiftConvert on September 21, 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.*