# The 30 Day Abs Challenge vs Flat Belly Workout Plan

The clearest difference is rating: Flat Belly Workout Plan at 5.0 against The 30 Day Abs Challenge's 3.9. Flat Belly Workout Plan also leads on update cadence (every 3 weeks vs every 12 months). The 30 Day Abs Challenge's advantage is ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. The 30 Day Abs 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 3.9. That said, the two scores are not equally well evidenced: The 30 Day Abs Challenge has 9 ratings behind it against 1, so its average is the more settled of the two.

The 30 Day Abs Challenge ships an update every 12 months, Flat Belly Workout Plan every 3 weeks. The most recent releases landed on September 10, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | The 30 Day Abs Challenge | Flat Belly Workout Plan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/the-30-day-abs-challenge/id1358302046/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flat-belly-workout-plan/id1574475049/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 34 MB |
| Requires iOS | 13.0 | 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 Abs Challenge

[App page](https://appshunter.io/ios/app/the-30-day-abs-challenge/id1358302046)

This 30-day challenge offers daily workouts designed to help you lose belly fat and sculpt your core. It's suitable for all fitness levels, from beginners to advanced users, and requires minimal equipment.

**Highlights:** 30-day flat belly challenge, Daily effective workouts, Sculpt six-pack abs, Reshape your core, Suitable for beginners, Minimal equipment required

**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 |
| For Beginners | $1.99 | one-time |
| Abs & Squats | $1.99 | one-time |
| Intense Ab Attack - Flat Belly | $1.99 | one-time |
| Abs, Butt & Thighs Workout | $1.99 | one-time |
| Burn Belly Fat | $1.99 | one-time |
| Exercises For A Stronger Core | $1.99 | one-time |
| Create Challenges | $2.99 | one-time |
| 60 Day Challenge | $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 Abs Challenge free?

The 30 Day Abs 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 Abs Challenge or Flat Belly Workout Plan?

Flat Belly Workout Plan is rated higher. The 30 Day Abs Challenge averages 3.9 out of 5 from 9 ratings, while Flat Belly Workout Plan averages 5.0 from 1 ratings.

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

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

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

The 30 Day Abs Challenge ships an update every 12 months, and Flat Belly Workout Plan every 3 weeks. Most recently, The 30 Day Abs Challenge was updated on September 10, 2026 and Flat Belly Workout Plan on August 25, 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.*