# Undertop vs DotNet Online

The clearest difference is iOS requirement: DotNet Online at 13.0 against Undertop's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Undertop | DotNet Online |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 171 MB | 21 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [N Apps, Lda](https://appshunter.io/developer/1557222451) | [DotNet](https://appshunter.io/developer/558261926) |

## What reviewers say

### Undertop

[App page](https://appshunter.io/ios/app/undertop/id6747033220)

**Features:** macOS Compatibility

**In-app purchases:** none


### DotNet Online

[App page](https://appshunter.io/ios/app/dotnet-online/id6771387502)

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

**In-app purchases:** none


## Frequently asked questions

### Is Undertop free?

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

### Is DotNet Online free?

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

### Do Undertop or DotNet Online have ads?

Neither Undertop nor DotNet Online 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.*