# Nightmare Muscle vs DanceFlow

The clearest difference is in-app purchases: Nightmare Muscle at none against DanceFlow's 3. Nightmare Muscle also leads on iOS requirement (13.5 vs 15.0). DanceFlow's advantage is update cadence (weekly vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. DanceFlow sells 3 in-app purchases, starting at $4.99 per month. Nightmare Muscle asks for nothing beyond the download.

Nightmare Muscle ships an update every 23 months, DanceFlow weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Nightmare Muscle | DanceFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/danceflow-learn-any-dance/id6788220031/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 14 MB | 14 MB |
| Requires iOS | **13.5** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nightmare Muscle LLC](https://appshunter.io/developer/1714469418) | [Forever Wealthy LLC](https://appshunter.io/developer/1731314034) |

## What reviewers say

### Nightmare Muscle

[App page](https://appshunter.io/ios/app/nightmare-muscle/id6470935265)

**Features:** macOS Compatibility

**In-app purchases:** none


### DanceFlow

[App page](https://appshunter.io/ios/app/danceflow-learn-any-dance/id6788220031)

This app helps you learn dance routines by breaking down videos into practice segments. You can slow down, mirror, and loop sections to master each step before chaining them together. Track your progress as you master each part of a routine.

**Highlights:** Import videos from TikTok, YouTube, or Instagram, Break routines into manageable segments, Slow down playback to half speed, Mirror mode for easier learning, Loop specific sections, Track mastery of each segment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DanceFlow Pro Monthly | $4.99 | per month |
| DanceFlow Pro Yearly | $34.99 | per year |
| DanceFlow Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Nightmare Muscle free?

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

### Is DanceFlow free?

DanceFlow is free to download, with in-app purchases available.

### Do Nightmare Muscle or DanceFlow have ads?

Neither Nightmare Muscle nor DanceFlow shows ads.

### Which is updated more often, Nightmare Muscle or DanceFlow?

Nightmare Muscle ships an update every 23 months, and DanceFlow weekly. Most recently, Nightmare Muscle was updated on October 25, 2026 and DanceFlow on October 24, 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.*