The Grind House vs PER4ORM App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Grind House
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.
- Book classes
- Manage fitness experience
- Make reservations
- Join waitlists
- Purchase class packages
- Check profile and membership
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Download the The Grind House app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, purchase class packages, check your profile and membership status, keep up to date with the latest products and services, and more – all from your device. Visit grindhousebaseball.com to learn more.
PER4ORM App
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.
- Schedule and book classes
- Purchase packages and memberships
- Access specials and discounts
- Receive latest information
- Manage bookings
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Download the PER4ORM App today to schedule and book your classes, purchase packages and memberships and get the latest information on specials, discount and deals.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | The Grind House | PER4ORM App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (13 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 13 — better | 3 |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 17 MB | 128 MB |
| Age rating | 4+ | 4+ |
| Developer | The Grind House | PER4ORM, LLC |
Customer experience
The Grind House
PER4ORM App
In-app purchases
The Grind House
No in-app purchases
PER4ORM App
No in-app purchases
Questions
Is The Grind House free?
Is PER4ORM App free?
Which has better reviews, The Grind House or PER4ORM App?
Do The Grind House or PER4ORM App have ads?
Which is updated more often, The Grind House or PER4ORM App?
Other comparisons
