StrengthIn vs PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StrengthIn
This app serves as a comprehensive fitness journal, allowing users to track workouts, build custom routines, and monitor progress. It offers a user-friendly interface with customizable features to help individuals achieve their fitness goals.
- Create and track workouts
- Build and customize routines
- Monitor exercise progress
- Customizable workout timer
- Exercise history tracking
- Share routines with friends
- Create custom exercises
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Introducing StrengthIn – your smart workout companion! Say goodbye to juggling between different fitness app and notebooks, and hello to your consolidated smart gym notebook. Our app allows you to track your workouts, create routines and monitor your progress all in one place. StrengthIn is the ideal gym partner that offers a user-friendly interface and a variety of customizable features, allowing you to make informed decisions based on your personal fitness objectives. Whether you're a beginner or an expert, our app empowers you to improve your outcomes by monitoring your progress. Here are some of the features that our app offers: Workouts: Create a workout on the spot and use it to create a routine so you can rotate it into your regiment. Start a workout from a saved routine. Track how much progress you have made into your current workout. Leverage the customizable timer so you stay on track between sets. View the history of a specific exercise so you can choose the right weight that fits your goals. Routines: Create a routine for as many weeks as you’d like. Rename the days of your routine so you can better focus on the areas of your body you are targeting. Share your routines with friends. Select or create exercises to populate your routine as you build it out. Copy days or weeks of your routine to optimize your planning. Exercises: Create your own exercises with any name that you prefer. Label your exercises with the muscle groups that exercise targets. Customization: Define your own barbells and plates for easy calculation during your workout. Backup data to your own iCloud account. StrengthIn is the perfect tool for anyone looking to take their fitness journey into their own hands and customize the app to better suit their own style.
PRO
Manage your gym membership, view class schedules, and book your spot with ease. Stay updated on gym events and exclusive offers. Connect with the community and reach your fitness goals conveniently.
- Membership management
- Class schedule exploration
- Class booking
- Gym event notifications
- Exclusive offer alerts
- Community connection
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Elevate your Pro-Fit Gyms experience with our user-friendly app. Seamlessly manage your membership, explore class schedules, and secure your spot with just a few taps. Receive timely notifications about gym events, exclusive offers, and access your Pro-Fit Gym membership. Connect with the community, the Pro-Fit Gyms App puts your fitness goals within reach, anytime, anywhere.
Screenshots
Verdict
The clearest difference is rating: StrengthIn at 5.0 against PRO's 3.9. StrengthIn also leads on update cadence (every 3 weeks vs every 15 months). PRO's advantage is in-app purchases (none vs 3) and ratings volume (8 vs 1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. StrengthIn sells 3 one-off in-app purchases. PRO asks for nothing beyond the download.
StrengthIn holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: PRO has 8 ratings behind it against 1, so its average is the more settled of the two.
StrengthIn ships an update every 3 weeks, PRO every 15 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | StrengthIn | PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.9 (8 ratings) |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 3 weeks — better | Every 15 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Nerdize LLC | Pro-Fitness of Deer Park Inc |
Customer experience
StrengthIn
PRO
In-app purchases
StrengthIn
- Small Coffee$0.99
- Medium Coffee$2.99
- Large Coffee$4.99
PRO
No in-app purchases









