# The 30 Day Plank Challenge vs Flat Belly Workout Plan

The clearest difference is rating: Flat Belly Workout Plan at 5.0 against The 30 Day Plank Challenge's 3.4. Flat Belly Workout Plan also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. The 30 Day Plank Challenge sells 11 one-off in-app purchases and Flat Belly Workout Plan sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Flat Belly Workout Plan holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

The 30 Day Plank Challenge ships an update every 5 months, Flat Belly Workout Plan every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The 30 Day Plank Challenge | Flat Belly Workout Plan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/the-30-day-plank-challenge/id1173618819/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flat-belly-workout-plan/id1574475049/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 3.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 34 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Roobol](https://appshunter.io/developer/1002996460) | [Samantha Roobol](https://appshunter.io/developer/1415281405) |

## What reviewers say

### The 30 Day Plank Challenge

[App page](https://appshunter.io/ios/app/the-30-day-plank-challenge/id1173618819)

This app guides users through a 30-day challenge to strengthen their core with plank exercises. It helps improve balance, posture, and tone abs, glutes, and hamstrings without any equipment. Suitable for all ages and fitness levels.

**Highlights:** 30-day plank challenge, Records training progress, 5 total challenges, Create custom challenges, Step-by-step intensity increase, Track best plank attempts, Beginner and intermediate plans

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Create Workouts | $0.99 | one-time |
| Plank Variations | $1.99 | one-time |
| For beginners | $1.99 | one-time |
| 90-Day Planking | $1.99 | one-time |
| Tone your Abs, Butt & Thighs | $1.99 | one-time |
| Cardio & Planks - Belly Fat | $1.99 | one-time |
| Pilates & Planks | $1.99 | one-time |
| 30 Day Plank Challenge | $1.99 | one-time |
| Create Challenges | $2.99 | one-time |
| Full Bundle | $4.99 | one-time |


### Flat Belly Workout Plan

[App page](https://appshunter.io/ios/app/flat-belly-workout-plan/id1574475049)

Achieve a toned stomach with a 30-day home workout plan. This app offers effective exercises to burn fat, build muscle, and define abs in just 10-20 minutes daily. See results within your first week.

**Highlights:** 30-day flat belly program, Daily 10-20 minute workouts, Home-based exercises, Fat burning and muscle building, Visible results in the first week

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |
| Lose Belly Fat | $1.99 | one-time |
| Exercises for Beginners | $1.99 | one-time |
| Fat Burning HIIT Workout | $1.99 | one-time |
| Abs, Butt and Thighs | $1.99 | one-time |
| Plank Variations Exercises | $1.99 | one-time |
| Ultimate 10-Week Program | $2.99 | one-time |
| Full Bundle | $4.99 | one-time |


## Frequently asked questions

### Is The 30 Day Plank Challenge free?

The 30 Day Plank Challenge is free to download, with in-app purchases available.

### Is Flat Belly Workout Plan free?

Flat Belly Workout Plan is free to download, with in-app purchases available.

### Which has better reviews, The 30 Day Plank Challenge or Flat Belly Workout Plan?

Flat Belly Workout Plan is rated higher. The 30 Day Plank Challenge averages 3.4 out of 5 from 5 ratings, while Flat Belly Workout Plan averages 5.0 from 2 ratings.

### Do The 30 Day Plank Challenge or Flat Belly Workout Plan have ads?

Both The 30 Day Plank Challenge and Flat Belly Workout Plan show ads.

### Which is updated more often, The 30 Day Plank Challenge or Flat Belly Workout Plan?

The 30 Day Plank Challenge ships an update every 5 months, and Flat Belly Workout Plan every 3 weeks. Most recently, The 30 Day Plank Challenge was updated on October 23, 2026 and Flat Belly Workout Plan 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.*