# Built With Science+ vs Aevis

The clearest difference is in-app purchases: Aevis at none against Built With Science+'s 4. Aevis also leads on review sentiment (100% vs 80%) and update cadence (weekly vs fortnightly). Built With Science+'s advantage is ratings volume (4.9K vs 7) and device support (3 vs 1). On price, rating, ads 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. Aevis asks for nothing beyond the download.

Aevis 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 4.9K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 80% of Built With Science+'s written reviews are positive against 100% of Aevis's.

Built With Science+ ships an update fortnightly, Aevis weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Built With Science+ | Aevis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.9K ratings)](https://appshunter.io/ios/app/built-with-science-plus/id6446000532/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/aevis-ai-training-coach/id6800615617/reviews)** |
| Number of ratings | **4.9K** | 7 |
| Positive reviews | 79.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Subscription | **Free** |
| Size | 235 MB | 35 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Built With Science Holdings Corp](https://appshunter.io/developer/1559732895) | [Shenzhen Speediance Living Technology Co., Ltd](https://appshunter.io/developer/1632165270) |

## 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


### Aevis

[App page](https://appshunter.io/ios/app/aevis-ai-training-coach/id6800615617)

This personal health agent integrates with Apple Health to provide holistic daily health management. It analyzes sleep, recovery, training, and nutrition to offer practical next steps and adapts plans based on your schedule and feedback.

**Highlights:** Integrates with Apple Health, Holistic health analysis (sleep, recovery, training, nutrition), Adaptive daily plan adjustments, Meal photo logging, Exercise form feedback, Voice, text, and media input, Weekly progress reports

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

**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 Aevis free?

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

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

Aevis is rated higher. Built With Science+ averages 4.8 out of 5 from 4.9K ratings, while Aevis averages 5.0 from 7 ratings.

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

Neither Built With Science+ nor Aevis shows ads.

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

Built With Science+ ships an update fortnightly, and Aevis weekly. Most recently, Built With Science+ was updated on October 28, 2026 and Aevis on October 25, 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.*