# The Grind House vs PER4ORM App

The clearest difference is ads: The Grind House at none against PER4ORM App's shown. The Grind House also leads on monetization model (free vs ad-supported) and ratings volume (13 vs 3). PER4ORM App's advantage is update cadence (every 3 weeks vs every 6 months). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for The Grind House against 5.0 for PER4ORM App. Both are backed by a comparable volume of ratings — 13 and 3 respectively.

The Grind House ships an update every 6 months, PER4ORM App every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | The Grind House | PER4ORM App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/the-grind-house/id1451427450/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/per4orm-app/id6446018153/reviews) |
| Number of ratings | **13** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 17 MB | 128 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Grind House](https://appshunter.io/developer/1451427449) | [PER4ORM, LLC](https://appshunter.io/developer/1675453367) |

## What reviewers say

### The Grind House

[App page](https://appshunter.io/ios/app/the-grind-house/id1451427450)

Easily book fitness classes and manage your entire experience from your device. Make reservations, join waitlists, purchase packages, and check your membership status. Stay updated on the latest offerings and services.

**Highlights:** Book classes, Manage fitness experience, Make reservations, Join waitlists, Purchase class packages, Check profile and membership

**Features:** macOS Compatibility

**In-app purchases:** none


### PER4ORM App

[App page](https://appshunter.io/ios/app/per4orm-app/id6446018153)

Easily schedule and book fitness classes, purchase memberships, and stay updated on exclusive specials and discounts. Access all the latest information directly from your device.

**Highlights:** Schedule and book classes, Purchase packages and memberships, Access specials and discounts, Receive latest information, Manage bookings

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is The Grind House free?

The Grind House is free to download, with no in-app purchases.

### Is PER4ORM App free?

PER4ORM App is free to download, with no in-app purchases.

### Which has better reviews, The Grind House or PER4ORM App?

The Grind House and PER4ORM App are both rated 5.0 out of 5 on the App Store, from 13 and 3 ratings respectively.

### Do The Grind House or PER4ORM App have ads?

PER4ORM App shows ads; The Grind House does not.

### Which is updated more often, The Grind House or PER4ORM App?

The Grind House ships an update every 6 months, and PER4ORM App every 3 weeks. Most recently, The Grind House was updated on November 2, 2026 and PER4ORM App on November 3, 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.*