# Nightmare Muscle

> Nightmare Muscle (iPhone/iPad app by Nightmare Muscle LLC.)

- Source: https://appshunter.io/ios/app/nightmare-muscle/id6470935265 (this page in markdown: same URL + `.md`)
- Developer: [Nightmare Muscle LLC](https://appshunter.io/developer/1714469418)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 13.5 · 14 MB
- Languages: English
- Released: 2023-10-31
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/nightmare-muscle/id6470935265/reviews.md

## What is Nightmare Muscle?

Download the Nightmare Muscle 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 http://nightmaremuscle.com to learn more.


## Version history (last 2 releases)

### 8.4.6 — 2025-09-26

Quicker bookings, frictionless login, and powerful branding - this update has it all. You can book your favorite class 33% faster than before with the new quick-booking feature. Even logging into the app is faster with support for biometric login using a fingerprint or a face scan. Do it all fully immersed in your studio’s brand. We've made some minor bug fixes and user experience improvements.

### 8.3.2 — 2023-11-01

No release notes.

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| --- | --- | --- | --- |
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## More apps by Nightmare Muscle LLC

- [Nightmare Muscle Gym](https://appshunter.io/ios/app/nightmare-muscle-gym/id6738296345)

All apps by Nightmare Muscle LLC: https://appshunter.io/developer/1714469418

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*