# PectusPT vs Built With Science+

The clearest difference is in-app purchases: PectusPT at none against Built With Science+'s 4. Built With Science+'s advantage is review sentiment (80% vs 50%) and ratings volume (4.1K vs 16). 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. PectusPT asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for PectusPT against 4.8 for Built With Science+. That said, the two scores are not equally well evidenced: Built With Science+ has 4.1K ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 50% of PectusPT's written reviews are positive against 80% of Built With Science+'s.

PectusPT ships an update every 6 weeks, Built With Science+ fortnightly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PectusPT | Built With Science+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (16 ratings)](https://appshunter.io/ios/app/pectuspt/id1671033423/reviews) | **[4.8 (4.1K ratings)](https://appshunter.io/ios/app/built-with-science-plus/id6446000532/reviews)** |
| Number of ratings | 16 | **4.1K** |
| Positive reviews | 50.0% of reviews | **79.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 210 MB | 233 MB |
| Requires iOS | **15.5** | 16.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [PectusPT PTY LTD](https://appshunter.io/developer/1671033425) | [Built With Science Holdings Corp](https://appshunter.io/developer/1559732895) |

## What reviewers say

### PectusPT

[App page](https://appshunter.io/ios/app/pectuspt/id1671033423)

This app provides personalized workout and nutrition programs to help users transform their bodies and improve their pectus condition. It offers real-time coaching, progress tracking, and community support.

**Highlights:** Personalized workout programs, Nutrition and meal tracking, Exercise and workout videos, Real-time coach messaging, Community group access, Progress photo and measurement tracking, Wearable device integration

**Features:** Apple Wallet

**In-app purchases:** none


### Built With Science+

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

This intelligent fitness companion offers personalized workout plans and nutrition advice based on scientific insights. It adapts to your progress with real-time feedback, providing guidance for continuous gains and informed health decisions.

**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


## Frequently asked questions

### Is PectusPT free?

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

### Is Built With Science+ free?

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

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

Built With Science+ is rated higher. PectusPT averages 4.8 out of 5 from 16 ratings, while Built With Science+ averages 4.8 from 4.1K ratings.

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

Neither PectusPT nor Built With Science+ shows ads.

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

PectusPT ships an update every 6 weeks, and Built With Science+ fortnightly. Most recently, PectusPT was updated on October 8, 2026 and Built With Science+ on October 14, 2026.

---

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