# Built With Science+ vs PhysiqueOS

The clearest difference is in-app purchases: PhysiqueOS at none against Built With Science+'s 4. PhysiqueOS also leads on update cadence (daily vs every 2 weeks) and rating (5.0 vs 4.8). Built With Science+'s advantage is ratings volume (3.9K vs 1). On price, ads, device support and iOS requirement there is nothing between them.

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

PhysiqueOS 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 3.9K ratings behind it against 1, so its average is the more settled of the two.

Built With Science+ ships an update every 2 weeks, PhysiqueOS daily. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Built With Science+ | PhysiqueOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.9K ratings)](https://appshunter.io/ios/app/built-with-science-plus/id6446000532/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physiqueos/id6746656903/reviews)** |
| Number of ratings | **3.9K** | 1 |
| Positive reviews | 79.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Subscription | **Free** |
| Size | 233 MB | 39 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Built With Science Holdings Corp](https://appshunter.io/developer/1559732895) | [Mark Tretyak](https://appshunter.io/developer/1817561914) |

## 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 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


### PhysiqueOS

[App page](https://appshunter.io/ios/app/physiqueos/id6746656903)

This fitness tracker is designed for weightlifters and data-driven athletes. It offers detailed metrics, habit tracking, and AI insights to optimize training and recovery. Visualize progress, identify patterns, and stay consistent with evidence-based optimization.

**Highlights:** Track weight, sets, reps, RPE, and volume, Measure sleep, energy, mood, and recovery, Build progress trends, AI-powered adaptive reminders, Visualize training and lifestyle intersections, Streak-based motivation

**Features:** macOS Compatibility

**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 PhysiqueOS free?

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

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

PhysiqueOS is rated higher. Built With Science+ averages 4.8 out of 5 from 3.9K ratings, while PhysiqueOS averages 5.0 from 1 ratings.

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

Neither Built With Science+ nor PhysiqueOS shows ads.

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

Built With Science+ ships an update every 2 weeks, and PhysiqueOS daily. Most recently, Built With Science+ was updated on September 23, 2026 and PhysiqueOS on June 1, 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.*