# Built With Science+ vs MyTetra

The clearest difference is in-app purchases: MyTetra at none against Built With Science+'s 4. MyTetra also leads on update cadence (every 5 days vs fortnightly). Built With Science+'s advantage is ratings volume (5.3K vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Built With Science+ sells 4 in-app purchases, starting at $29.99 per month. MyTetra asks for nothing beyond the download.

MyTetra holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Built With Science+ has 5.3K ratings behind it against 2, so its average is the more settled of the two.

Built With Science+ ships an update fortnightly, MyTetra every 5 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Built With Science+ | MyTetra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5.3K ratings)](https://appshunter.io/ios/app/built-with-science-plus/id6446000532/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mytetra/id6751013241/reviews)** |
| Number of ratings | **5.3K** | 2 |
| Positive reviews | 80.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 269 MB | 93 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Built With Science Holdings Corp](https://appshunter.io/developer/1559732895) | [Colin Murray](https://appshunter.io/developer/1832594443) |

## What reviewers say

### Built With Science+

[App page](https://appshunter.io/ios/app/built-with-science-plus/id6446000532)

This intelligent fitness companion offers personalized workout and nutrition plans based on scientific research. It adapts to your progress with real-time adjustments and provides detailed exercise tutorials and AI-powered meal scanning to help you achieve your body goals.

**Highlights:** Hyper-personalized workouts, Progressive overload guidance, Real-time diet adjustments, AI-powered meal scanner, 250+ exercise tutorials, Daily knowledge boosters, AI fitness & nutrition assistant

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $29.99 | per month |
| Annual Membership | $189.00 | per year |
| Intermediate Program Unlock | $49.00 | one-time |
| Beginner Program Unlock | $49.00 | one-time |

**What reviewers like**

- 👍 Comprehensive fitness and nutrition tracking
- 🚀 Convenient all-in-one app
- 📚 Helpful educational lessons
- 💪 Science-backed program
- 🎯 Customized and adaptive workouts

**What reviewers complain about**

- 🐛 Occasional performance issues and bugs
- 🔍 Limited food database and recipe options
- 📱 Lack of integration with other fitness apps and devices
- 🕰️ Inflexible workout scheduling
- 💬 Limited human interaction and coaching support

**Reported bugs**

- Workout data sometimes gets lost or marked incomplete
- App takes a long time to open
- Login and sign-up issues for existing customers
- Inconsistent exercise recommendations and adjustments

**Requested features**

- Add ability to create and save custom recipes
- Integrate with Apple Health and other fitness platforms
- Provide more flexibility in workout scheduling
- Enhance human coaching and support features
- Improve performance and stability


### MyTetra

[App page](https://appshunter.io/ios/app/mytetra/id6751013241)

This app supports your fitness journey by allowing you to track workouts, log meals, and follow training plans. Stay organized and connected with coaches or your community to maintain consistency and clarity on your next steps.

**Highlights:** Workout tracking, Food logging, Training plan following, Progress sharing, Coach and community connection, Organization and consistency

**In-app purchases:** none


## Frequently asked questions

### Is Built With Science+ free?

Built With Science+ is free to download, with in-app purchases available.

### Is MyTetra free?

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

### Which has better reviews, Built With Science+ or MyTetra?

MyTetra is rated higher. Built With Science+ averages 4.8 out of 5 from 5.3K ratings, while MyTetra averages 5.0 from 2 ratings.

### Do Built With Science+ or MyTetra have ads?

Neither Built With Science+ nor MyTetra shows ads.

### Which is updated more often, Built With Science+ or MyTetra?

Built With Science+ ships an update fortnightly, and MyTetra every 5 days. Most recently, Built With Science+ was updated on November 6, 2026 and MyTetra on November 5, 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.*