# Unit Converter vs NetLens

The clearest difference is price: Unit Converter at Free against NetLens's $5.99. NetLens's advantage is update cadence (every 3 months vs every 9 months) and iOS requirement (13.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Unit Converter is free to download; NetLens costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unit Converter ships an update every 9 months, NetLens every 3 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Unit Converter | NetLens |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 12 MB | 18 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [望 余](https://appshunter.io/developer/1595522298) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-units/id6749213264)

**Features:** macOS Compatibility

**In-app purchases:** none


### NetLens

[App page](https://appshunter.io/ios/app/netlens-network-toolkit/id6757103818)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is NetLens free?

NetLens costs $5.99, with no in-app purchases.

### Do Unit Converter or NetLens have ads?

Neither Unit Converter nor NetLens shows ads.

### Which is updated more often, Unit Converter or NetLens?

Unit Converter ships an update every 9 months, and NetLens every 3 months. Most recently, Unit Converter was updated on October 25, 2026 and NetLens on October 28, 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.*