# Plank Workout Challenge vs Simple White Noise Maker

The clearest difference is price: Plank Workout Challenge at Free against Simple White Noise Maker's $0.99. Plank Workout Challenge also leads on iOS requirement (12.0 vs 18.0). Simple White Noise Maker's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Plank Workout Challenge is free to download; Simple White Noise Maker costs $0.99 up front. Plank Workout Challenge sells 4 in-app purchases, starting at $3.99 per 7 days. Simple White Noise Maker asks for nothing beyond the download.

Plank Workout Challenge ships an update every 5 months, Simple White Noise Maker weekly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Plank Workout Challenge | Simple White Noise Maker |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (129 ratings)](https://appshunter.io/ios/app/plank-workout-challenge/id1536575452/reviews)** | — |
| Number of ratings | **129** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 36 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ohealth apps studio](https://appshunter.io/developer/1536575454) | [Alexander Scott](https://appshunter.io/developer/1790200840) |

## What reviewers say

### Plank Workout Challenge

[App page](https://appshunter.io/ios/app/plank-workout-challenge/id1536575452)

This app offers a 30-day challenge with various plank exercises to strengthen your core, tone your abs, and improve posture. It caters to beginners and advanced users with adjustable holding times and exercise variations for effective home workouts.

**Highlights:** 30-day plank exercise program, Static and dynamic plank variations, Core and abs toning, Posture improvement, Beginner to advanced levels, Calorie burning

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $3.99 | per 7 days |
| Premium Features | $9.99 | per month |
| Premium Features | $29.99 | per year |
| Premium Workout | $4.99 | one-time |


### Simple White Noise Maker

[App page](https://appshunter.io/ios/app/simple-white-noise-maker/id6740486971)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Plank Workout Challenge free?

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

### Is Simple White Noise Maker free?

Simple White Noise Maker costs $0.99, with no in-app purchases.

### Do Plank Workout Challenge or Simple White Noise Maker have ads?

Plank Workout Challenge shows ads; Simple White Noise Maker does not.

### Which is updated more often, Plank Workout Challenge or Simple White Noise Maker?

Plank Workout Challenge ships an update every 5 months, and Simple White Noise Maker weekly. Most recently, Plank Workout Challenge was updated on November 3, 2026 and Simple White Noise Maker on November 8, 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.*