# Plank Challenge vs MuscleMind App

The clearest difference is in-app purchases: MuscleMind App at none against Plank Challenge's 1. MuscleMind App also leads on iOS requirement (12.0 vs 16.0). Plank Challenge's advantage is device support. On price there is nothing between them.

Both are free to download. Plank Challenge sells 1 one-off in-app purchase. MuscleMind App asks for nothing beyond the download.

## The numbers

| Metric | Plank Challenge | MuscleMind App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (472 ratings)](https://appshunter.io/ios/app/plank-challenge-core-workout/id1083360252/reviews)** | — |
| Number of ratings | **472** | — |
| Positive reviews | 65.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 61 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Sergio Andres Soto Arroyave](https://appshunter.io/developer/1705489729) |

## What reviewers say

### Plank Challenge

[App page](https://appshunter.io/ios/app/plank-challenge-core-workout/id1083360252)

This app guides you through a 5-week program to build up to a 4-minute plank. It requires no equipment and can be done in just 4 minutes daily, with rest days incorporated for recovery. It also includes a bonus push-up progression.

**Highlights:** 5-week structured plank program, Progressive push-up training, Daily workout instructions, Progress tracking, Apple Music integration, Distraction-free interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plank Challenge Pro | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and effective
- 💪 Great for plank challenges
- 🎯 Helps build stamina
- ✅ Good for beginners
- ✨ Straightforward design

**What reviewers complain about**

- 🔇 Music pauses during sets
- 🎵 Lack of in-app music/motivation
- ❓ No clear guidance on plank types
- 🎛️ No timer customization
- 👎 Push-up part lacks challenge

**Reported bugs**

- App crashes after iOS 13 update
- No times displayed after iOS 13 update
- Audio mutes automatically between active and rest
- App not running after iOS 13 update

**Requested features**

- Allow self-designed workouts
- Integrate reminders
- Add in-app music or motivational sounds
- Provide explanation on different plank types
- Include countdowns and motivational cues


### MuscleMind App

[App page](https://appshunter.io/ios/app/musclemind-app/id6673908484)

**In-app purchases:** none


## Frequently asked questions

### Is Plank Challenge free?

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

### Is MuscleMind App free?

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

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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.*