# CALXTHENICS vs Burn + Build

The clearest difference is monetization model: CALXTHENICS at free with in-app purchases against Burn + Build's subscription. Burn + Build's advantage is ads (none vs shown) and review sentiment (64% vs 38%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. CALXTHENICS sells 11 in-app purchases, starting at $14.99 per month and Burn + Build sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.8 for CALXTHENICS against 3.9 for Burn + Build. Both are backed by a comparable volume of ratings — 96 and 60 respectively. Written reviews are what separate them: 38% of CALXTHENICS's written reviews are positive against 64% of Burn + Build's.

CALXTHENICS ships an update every 6 weeks, Burn + Build every 9 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CALXTHENICS | Burn + Build |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (96 ratings)](https://appshunter.io/ios/app/calxthenics/id1627123154/reviews) | **[3.9 (60 ratings)](https://appshunter.io/ios/app/burn-plus-build/id6446492886/reviews)** |
| Number of ratings | **96** | 60 |
| Positive reviews | 38.2% of reviews | **63.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 90 MB | 41 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Adam Frater](https://appshunter.io/developer/1627123156) | [Ash Fitness LLC](https://appshunter.io/developer/1678091244) |

## What reviewers say

### CALXTHENICS

[App page](https://appshunter.io/ios/app/calxthenics/id1627123154)

Access calisthenics programs from elite athletes and trainers. Improve body control, strength, and metabolism with bodyweight workouts. Achieve functional fitness and holistic health benefits.

**Highlights:** Programs from top calisthenics athletes, Bodyweight workout routines, Strength and power development, Metabolism and mobility improvement, Nutritional guidance, Progress tracking, Offline sync

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CALXTHENICS Full Access | $14.99 | per month |
| CALXTHENICS Year Access | $167.99 | per year |
| One Time Subscription | $19.99 | one-time |
| Frater Fit Diet | $20.00 | one-time |
| Project Shred Part II | $25.00 | one-time |
| One Time Subscription | $47.99 | one-time |
| One Time Subscription | $59.99 | one-time |
| Project Shred | $64.99 | one-time |
| One Time Subscription | $64.99 | one-time |
| One Time Subscription | $72.00 | one-time |
| Slope Strong | $97.00 | one-time |

**What reviewers like**

- 💪 Great results and progress
- 👍 Easy to follow program
- 💡 Good content and holistic approach
- 💯 Attainable workouts for any level
- 🏋️‍♀️ Effective for building strength and stamina

**What reviewers complain about**

- 🐛 App is buggy and unstable
- ❌ Login issues and errors
- 💸 Payment and subscription problems
- 🚫 Poor customer support
- 🗑️ Outdated and unengaging app feel

**Reported bugs**

- Login does not work
- Password reset does not work
- App crashes frequently
- Videos often don't work or glitch
- Workout programs disappear

**Requested features**

- Update the app to be more modern and engaging
- Improve app stability and fix bugs
- Ensure login and password reset functions work correctly
- Provide better customer support with faster response times
- Make workout videos stream more efficiently


### Burn + Build

[App page](https://appshunter.io/ios/app/burn-plus-build/id6446492886)

This app provides a comprehensive fitness and nutrition platform designed to help users achieve their physical and mental health goals. It offers workout libraries, science-backed training challenges, exclusive program access, and a detailed recipe guide, acting as a virtual personal trainer.

**Highlights:** Personal workout library with exclusive content, Science-backed training challenges, Access to all released programs, Full recipe cheat sheet, Nutrition and diet guidance

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $19.99 | per month |
| 3 Month Subscription | $39.99 | per 3 months |
| 12 Month Subscription | $89.99 | per year |

**What reviewers like**

- 💪 Great workouts and routines
- 🥗 Amazing meal prep and food options
- 📈 Effective for weight loss and physique goals
- 📹 Helpful 'how-to' videos for exercises
- 👍 User-friendly and easy to navigate

**What reviewers complain about**

- 🐛 Frequent software bugs and glitches
- 📉 App rarely works or crashes
- ❌ Data gets deleted or progress is lost
- 🚫 Can't get past certain screens
- 💰 High cost without a free trial

**Reported bugs**

- App resets and doesn't let you go past view recommendation
- Constant software bugs
- App won't let user inside to look at workouts
- App stopped working after payment
- App keeps crashing and won't save progress

**Requested features**

- Add more HIIT workouts
- Offer a free trial period
- Allow payment options other than subscription
- Update meal plan names and allow saving custom meals
- Provide at-home dumbbell/HIIT workout options


## Frequently asked questions

### Is CALXTHENICS free?

CALXTHENICS is free to download, with in-app purchases available.

### Is Burn + Build free?

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

### Which has better reviews, CALXTHENICS or Burn + Build?

Burn + Build is rated higher. CALXTHENICS averages 3.8 out of 5 from 96 ratings, while Burn + Build averages 3.9 from 60 ratings.

### Do CALXTHENICS or Burn + Build have ads?

CALXTHENICS shows ads; Burn + Build does not.

### Which is updated more often, CALXTHENICS or Burn + Build?

CALXTHENICS ships an update every 6 weeks, and Burn + Build every 9 days. Most recently, CALXTHENICS was updated on October 15, 2026 and Burn + Build on October 14, 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.*