# HEAT OneLayer vs Soulsfeng

The clearest difference is iOS requirement: HEAT OneLayer at 11.0 against Soulsfeng's 15.0. 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 | HEAT OneLayer | Soulsfeng |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 132 MB | 24 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Associates, LLC](https://appshunter.io/developer/959592099) | [逢春 黄](https://appshunter.io/developer/1668735348) |

## What reviewers say

### HEAT OneLayer

[App page](https://appshunter.io/ios/app/heat-onelayer/id6479862561)

**Features:** macOS Compatibility

**In-app purchases:** none


### Soulsfeng

[App page](https://appshunter.io/ios/app/soulsfeng/id6737499607)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HEAT OneLayer free?

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

### Is Soulsfeng free?

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

### Do HEAT OneLayer or Soulsfeng have ads?

Neither HEAT OneLayer nor Soulsfeng 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.*