# Undertop vs ThongRoom

Undertop and ThongRoom are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Undertop | ThongRoom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 171 MB | 36 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [N Apps, Lda](https://appshunter.io/developer/1557222451) | [Michael Larkin](https://appshunter.io/developer/6796811952) |

## What reviewers say

### Undertop

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ThongRoom

[App page](https://appshunter.io/ios/app/thongroom/id6796811950)

**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 ThongRoom free?

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

### Do Undertop or ThongRoom have ads?

Neither Undertop nor ThongRoom 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.*