# GRIND Human Performance vs Double Edge Fit

The clearest difference is ads: Double Edge Fit at none against GRIND Human Performance's shown. GRIND Human Performance's advantage is iOS requirement (13.0 vs 15.0). On price, 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 | GRIND Human Performance | Double Edge Fit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 85 MB | 111 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PushPress, Inc.](https://appshunter.io/developer/688595778) | [Double Edge Fitness](https://appshunter.io/developer/1441914980) |

## What reviewers say

### GRIND Human Performance

[App page](https://appshunter.io/ios/app/grind-human-performance/id6741777734)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Double Edge Fit

[App page](https://appshunter.io/ios/app/double-edge-fit/id6800428975)

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

**In-app purchases:** none


## Frequently asked questions

### Is GRIND Human Performance free?

GRIND Human Performance is free to download, with no in-app purchases.

### Is Double Edge Fit free?

Double Edge Fit is free to download, with no in-app purchases.

### Do GRIND Human Performance or Double Edge Fit have ads?

GRIND Human Performance shows ads; Double Edge Fit does not.

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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.*