# Flat Stomach Workouts vs Gravity Stretching

The clearest difference is in-app purchases: Gravity Stretching at none against Flat Stomach Workouts's 11. Gravity Stretching also leads on ads (none vs shown) and update cadence (every 3 days vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Flat Stomach Workouts sells 11 in-app purchases, starting at $0.99 per month. Gravity Stretching asks for nothing beyond the download.

Flat Stomach Workouts ships an update every 5 weeks, Gravity Stretching every 3 days. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Flat Stomach Workouts | Gravity Stretching |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 141 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Loyal Health & Fitness, Inc.](https://appshunter.io/developer/1088263310) | [PT GRAVITY STRETCHING CANGGU](https://appshunter.io/developer/6784350275) |

## What reviewers say

### Flat Stomach Workouts

[App page](https://appshunter.io/ios/app/flat-stomach-workouts/id889654541)

Achieve a flatter stomach with targeted abdominal exercises that require no equipment. This app offers customized weekly routines and HD instructional videos to guide you. Enhance your experience with motivating audio guidance and DJ mixes.

**Highlights:** No equipment required, Customized weekly workouts, HD instructional videos, Audio guidance from trainer, Offline workout access, DJ-mixed motivating workouts

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Fitivity Premium | $1.99 | per month |
| ad Free One Month | $1.99 | per month |
| Yearly Subscription | $5.99 | per year |
| Yearly Subscription | $9.49 | per year |
| Entire Program - Flat Stomach | $4.99 | one-time |
| Entire Program - Six Pack | $4.99 | one-time |
| Entire Program - 8 Minute Abs | $4.99 | one-time |
| Entire Program - Lower Abs | $4.99 | one-time |
| Purchase levels of all programs | $14.99 | one-time |
| Lifetime Premium Subscription | $299.99 | one-time |


### Gravity Stretching

[App page](https://appshunter.io/ios/app/gravity-stretching/id6784350273)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flat Stomach Workouts free?

Flat Stomach Workouts is free to download, with in-app purchases available.

### Is Gravity Stretching free?

Gravity Stretching is free to download, with no in-app purchases.

### Do Flat Stomach Workouts or Gravity Stretching have ads?

Flat Stomach Workouts shows ads; Gravity Stretching does not.

### Which is updated more often, Flat Stomach Workouts or Gravity Stretching?

Flat Stomach Workouts ships an update every 5 weeks, and Gravity Stretching every 3 days. Most recently, Flat Stomach Workouts was updated on September 29, 2026 and Gravity Stretching on October 10, 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.*