# Built With Science+ vs Workout Planner

The clearest difference is review sentiment: Built With Science+ at 80% against Workout Planner's 22%. Built With Science+ also leads on rating (4.8 vs 4.3) and ads (none vs shown). Workout Planner's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, 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 and Workout Planner sells 15 in-app purchases, starting at $3.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Built With Science+ holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 3.9K and 1.1K respectively. Written reviews point the same way: 80% of Built With Science+'s written reviews are positive against 22% of Workout Planner's.

Built With Science+ ships an update every 2 weeks, Workout Planner every 4 days. The most recent releases landed on September 27, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Built With Science+ | Workout Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.9K ratings)](https://appshunter.io/ios/app/built-with-science-plus/id6446000532/reviews)** | [4.3 (1.1K ratings)](https://appshunter.io/ios/app/workout-planner-heavy/id6477320808/reviews) |
| Number of ratings | **3.9K** | 1.1K |
| Positive reviews | **79.9% of reviews** | 22.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 233 MB | 575 MB |
| Requires iOS | 16.2 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Built With Science Holdings Corp](https://appshunter.io/developer/1559732895) | [PixelArmour LLC](https://appshunter.io/developer/1704725316) |

## 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


### Workout Planner

[App page](https://appshunter.io/ios/app/workout-planner-heavy/id6477320808)

This app offers AI-driven workout plans personalized to your fitness goals, schedule, and progress. It adapts in real-time to maximize strength, muscle growth, or weight loss with a vast exercise library and advanced tracking.

**Highlights:** AI-tailored workouts, Progressive overload calculation, Extensive exercise library with tutorials, Real-time workout adaptation, Advanced analytics and tracking

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heavy Elite | $3.49 | per 7 days |
| Heavy Elite | $3.49 | per 7 days |
| Fit Social+ | $5.99 | per month |
| Heavy Pro Access | $11.99 | per month |
| Macro Workouts+ (Referral Code) | $11.99 | per month |
| Hypertrophy+ (Referral Code) | $14.99 | per month |
| Hypertrophy+ | $14.99 | per month |
| RPE Hypertrophy+ | $14.99 | per month |
| Unlock RP Hypertrophy Ai | $14.99 | per month |
| Heavy Elite | $29.99 | per month |
| Yearly Hypertrophy+ (Referral Code) | $59.99 | per year |
| Hypertrophy+ | $59.99 | per year |
| Heavy Pro Access | $74.99 | per year |
| Heavy Elite | $74.99 | per year |
| Yearly Macro Workout+ (Referral) | $74.99 | per year |

**What reviewers like**

- 👍 Great app
- 🚀 Awesome app
- 👍 Intuitive and effective
- 🚀 Workouts with ease
- 👍 Helpful for beginners

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 🚫 Not the real RP app
- 💰 Expensive for what it offers
- 🤔 Confusing and hard to use
- 🚫 Deceptive branding

**Reported bugs**

- Workouts not recording properly
- Unable to edit or remove exercises
- Inconsistent exercise recommendations
- Syncing and login issues
- Unreliable app performance

**Requested features**

- Ability to backdate workouts
- More exercise options and customization
- Sync across devices
- Free trial before purchase
- Better workout tracking and progress logging


## Frequently asked questions

### Is Built With Science+ free?

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

### Is Workout Planner free?

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

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

Built With Science+ is rated higher. Built With Science+ averages 4.8 out of 5 from 3.9K ratings, while Workout Planner averages 4.3 from 1.1K ratings.

### Do Built With Science+ or Workout Planner have ads?

Workout Planner shows ads; Built With Science+ does not.

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

Built With Science+ ships an update every 2 weeks, and Workout Planner every 4 days. Most recently, Built With Science+ was updated on September 27, 2026 and Workout Planner on August 23, 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.*