# WebDuo Pro vs KRL SmartBox

The clearest difference is price: KRL SmartBox at Free against WebDuo Pro's $1.99. WebDuo Pro's advantage is update cadence (every 5 weeks vs every 7 months) and iOS requirement (9.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

KRL SmartBox is free to download; WebDuo Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WebDuo Pro ships an update every 5 weeks, KRL SmartBox every 7 months. The most recent releases landed on September 23, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | WebDuo Pro | KRL SmartBox |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (77 ratings)](https://appshunter.io/ios/app/webduo-pro/id1067465689/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 58.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 18 MB | 33 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Michael Sacks](https://appshunter.io/developer/1516747583) | [Witte Metallwaren Handelsges. mbH & Co. KG](https://appshunter.io/developer/979847433) |

## What reviewers say

### WebDuo Pro

[App page](https://appshunter.io/ios/app/webduo-pro/id1067465689)

Browse two websites simultaneously, side-by-side, on your iOS device. Enhance productivity by viewing multiple web pages at once. On compatible iPads, you can even view three browsers using multitasking.

**Highlights:** Browse two websites simultaneously, Side-by-side web viewing, Supports any iOS device, Triple browser on compatible iPads, Multitasking integration

**Features:** Vision Pro support

**In-app purchases:** none


### KRL SmartBox

[App page](https://appshunter.io/ios/app/krl-smartbox/id6477445537)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WebDuo Pro free?

WebDuo Pro costs $1.99, with no in-app purchases.

### Is KRL SmartBox free?

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

### Do WebDuo Pro or KRL SmartBox have ads?

Neither WebDuo Pro nor KRL SmartBox shows ads.

### Which is updated more often, WebDuo Pro or KRL SmartBox?

WebDuo Pro ships an update every 5 weeks, and KRL SmartBox every 7 months. Most recently, WebDuo Pro was updated on September 23, 2026 and KRL SmartBox on May 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.*