# 6 Pack Promise vs Built Different Athletes

The clearest difference is update cadence: Built Different Athletes at weekly against 6 Pack Promise's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 6 Pack Promise sells 3 one-off in-app purchases and Built Different Athletes sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

6 Pack Promise ships an update every 3 months, Built Different Athletes weekly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 6 Pack Promise | Built Different Athletes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.7K ratings)](https://appshunter.io/ios/app/6-pack-promise-ultimate-abs/id633815621/reviews)** | — |
| Number of ratings | **4.7K** | — |
| Positive reviews | 79.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 21 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sports Performance Factory LLC](https://appshunter.io/developer/476624020) | [Ultimate Team Posters](https://appshunter.io/developer/1577389923) |

## What reviewers say

### 6 Pack Promise

[App page](https://appshunter.io/ios/app/6-pack-promise-ultimate-abs/id633815621)

Achieve your desired physique with elite ab workouts designed by a celebrity trainer. This app offers a variety of exercises, video demonstrations, and meal plans to help you build core strength and get a six-pack. It provides a free basic program with an option to unlock advanced workouts and meal plans through in-app purchases.

**Highlights:** 30 unique free ab exercises, Fast workouts (4-8 minutes), Over 70 advanced workouts (IAP), Video demonstrations by celebrity trainer, Ab shredding meal plans (IAP), Workout shuffle for variety, Progress tracking with photos

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Exercise Group 1 | $0.99 | one-time |
| Exercise Group 2 | $0.99 | one-time |
| Full Version | $2.99 | one-time |

**What reviewers like**

- 👍 Great app for ab workouts
- 🚀 Efficient 5-8 minute workouts
- 💡 Variety of exercises and difficulty levels
- 👍 Helpful video demonstrations
- 👍 Meal plans and nutrition guidance

**What reviewers complain about**

- 🐛 Bugs and glitches after recent updates
- 🐛 Inability to play music during workouts
- 🐛 Resets progress and loses user data
- 🐛 Frequent requests for camera/photo access
- 🐛 Exercises too difficult for beginners

**Reported bugs**

- Workouts not loading or freezing
- Timer and audio issues
- Incompatibility with newer iOS versions
- Inability to progress past certain weeks

**Requested features**

- Ability to favorite individual exercises
- Option to create custom workout routines
- Integration with Apple Health or other fitness apps
- More beginner-friendly exercise options
- Improved user interface and navigation


### Built Different Athletes

[App page](https://appshunter.io/ios/app/built-different-athletes/id6811908310)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Founding Family Monthly | $9.99 | per month |
| Founding Family Annual | $89.99 | per year |


## Frequently asked questions

### Is 6 Pack Promise free?

6 Pack Promise is free to download, with in-app purchases available.

### Is Built Different Athletes free?

Built Different Athletes is free to download, with in-app purchases available.

### Do 6 Pack Promise or Built Different Athletes have ads?

Neither 6 Pack Promise nor Built Different Athletes shows ads.

### Which is updated more often, 6 Pack Promise or Built Different Athletes?

6 Pack Promise ships an update every 3 months, and Built Different Athletes weekly. Most recently, 6 Pack Promise was updated on October 16, 2026 and Built Different Athletes on October 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.*