# Whittle vs Duo Viewer

The clearest difference is in-app purchases: Whittle at none against Duo Viewer's 1. Whittle also leads on iOS requirement (18.2 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Duo Viewer sells 1 one-off in-app purchase. Whittle asks for nothing beyond the download.

## The numbers

| Metric | Whittle | Duo Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/whittle-import-host-launch/id6796012035/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 49 MB | 2 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Movses Arakelyan](https://appshunter.io/developer/6796012037) | [Liangjun Song](https://appshunter.io/developer/6816411623) |

## What reviewers say

### Whittle

[App page](https://appshunter.io/ios/app/whittle-import-host-launch/id6796012035)

Consolidate your essential web apps into a single, offline-capable platform. Import existing web apps or create new ones with AI assistance, all running securely in their own sandboxed environments on your device.

**Highlights:** Import HTML files or zipped web apps, AI-assisted app creation, Offline app execution, Isolated app storage, Home-screen shortcuts, AI-powered debugging

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

**In-app purchases:** none


### Duo Viewer

[App page](https://appshunter.io/ios/app/duo-viewer/id6816411621)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duo Viewer Pro | $6.99 | one-time |


## Frequently asked questions

### Is Whittle free?

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

### Is Duo Viewer free?

Duo Viewer is free to download, with in-app purchases available.

### Do Whittle or Duo Viewer have ads?

Neither Whittle nor Duo Viewer shows ads.

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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.*