# Build and Burn vs Define.

The clearest difference is rating: Build and Burn at 4.9 against Define.'s 4.3. Build and Burn also leads on review sentiment (96% vs 63%) and ratings volume (285 vs 12). Define.'s advantage is in-app purchases (none vs 7) and update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Build and Burn sells 7 in-app purchases, starting at $29.99 per month. Define. asks for nothing beyond the download.

Build and Burn holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Build and Burn has 285 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 96% of Build and Burn's written reviews are positive against 63% of Define.'s.

Build and Burn ships an update every 3 months, Define. every 5 weeks. The most recent releases landed on September 27, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Build and Burn | Define. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (285 ratings)](https://appshunter.io/ios/app/build-and-burn/id6470798437/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/define/id6471139129/reviews) |
| Number of ratings | **285** | 12 |
| Positive reviews | **96.3% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Subscription | **Free** |
| Size | 103 MB | 121 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [ROSEY SOLUTIONS LLC](https://appshunter.io/developer/1714230160) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Build and Burn

[App page](https://appshunter.io/ios/app/build-and-burn/id6470798437)

Achieve your fitness goals with daily 30-minute workouts requiring minimal equipment. This app offers strength, HIIT, and mobility routines suitable for all levels, including beginners, athletes, and postpartum mothers. Enjoy personalized weekly schedules to build a sustainable fitness journey.

**Highlights:** 30-minute daily workouts, Minimal equipment required, Strength training, HIIT routines, Mobility exercises, Personalized weekly schedules

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Build & Burn Monthly | $29.99 | per month |
| Build & Burn Yearly | $299.99 | per year |
| Build and Burn - 13999 | $139.99 | one-time |
| Build and Burn - 19999 | $199.99 | one-time |
| Build and Burn - 21999 | $219.99 | one-time |
| Build and Burn - 24999 | $249.99 | one-time |
| Build and Burn - 29999 | $299.99 | one-time |

**What reviewers like**

- 🚀 Quick and effective workouts
- 👍 Fun and motivating workout experience
- 👍 Variety of workouts and programs
- 👍 Convenient 30-minute workouts
- 👍 Helpful for pregnancy and postpartum

**What reviewers complain about**

- 🔉 Audio/music quality could be improved
- 🐛 Some app bugs and glitches reported

**Reported bugs**

- Audio/music issues during workouts
- Occasional app crashes or freezes

**Requested features**

- Add option to mark completed workouts
- Improve app navigation and filtering


### Define.

[App page](https://appshunter.io/ios/app/define/id6471139129)

This app offers a variety of workouts designed by fitness experts to create a balanced approach to exercise and overall health. It provides live and on-demand classes, with new content added weekly, suitable for all fitness levels.

**Highlights:** Variety of workouts, Live and on-demand classes, New classes added weekly, Workouts 30 minutes or less, Suitable for all fitness levels, Balanced approach to health

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

**In-app purchases:** none


## Frequently asked questions

### Is Build and Burn free?

Build and Burn is free to download, with in-app purchases available.

### Is Define. free?

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

### Which has better reviews, Build and Burn or Define.?

Build and Burn is rated higher. Build and Burn averages 4.9 out of 5 from 285 ratings, while Define. averages 4.3 from 12 ratings.

### Do Build and Burn or Define. have ads?

Neither Build and Burn nor Define. shows ads.

### Which is updated more often, Build and Burn or Define.?

Build and Burn ships an update every 3 months, and Define. every 5 weeks. Most recently, Build and Burn was updated on September 27, 2026 and Define. on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*