ERHA.DNA vs Optimized Strength Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERHA.DNA
This app uses AI to analyze your skin data and recommend a personalized skincare line. It combines a smart assistant with a physical test kit to create safe and effective treatments tailored to your unique needs.
- AI-powered skin data processing
- Physical skin measurement test kit
- Personalized skincare line recommendations
- Safe and effective treatments
- Smart Assistant functionality
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A smart skin solution that encompasses a Smart Assistant (a mobile app that uses artificial intelligence to process data), Smart Innovation (A test kit that gets a physical measurement of your skin) and Smart Treatment (skincare products that fits your skin). With a few steps to test your skin, ERHA.DNA will put together a skin care line that is safe, effective and beautifully suited to your skin's needs.
Optimized Strength Training
Achieve your fitness goals with personalized workout programs, exercise videos, and nutrition tracking. Set goals, earn badges, and connect with a supportive community. Seamlessly track progress with wearable device integrations.
- Personalized workout programs
- Exercise demonstration videos
- Nutrition tracking
- Goal setting and progress tracking
- Real-time coach communication
- Community forums
- Body measurement tracking
- Wearable device integration
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Unlock Your Full Fitness Potential with the Optimized Strength Training App! Transform your body and achieve your health goals like never before. Experience personalized workout programs tailored specifically to your needs and preferences, all at your fingertips! Supercharge Your Fitness Journey: Access cutting-edge training plans meticulously crafted to propel you toward success. Engage in dynamic exercise videos that will guide and inspire you every step of the way. Harness the power of nutrition tracking to make informed choices and fuel your body for optimal performance. Master your lifestyle habits and cultivate a healthier, more balanced way of living. Your Goals, Your Triumphs: Set ambitious health and fitness goals and track your progress with precision. Celebrate your milestones with exclusive badges, marking your triumphs and motivating you to reach new personal bests. Communicate seamlessly with your dedicated coach in real-time, receiving expert guidance and support whenever you need it. Empowerment through Community: Join vibrant digital communities, connecting with like-minded individuals who share your health aspirations. Stay motivated as you embark on this transformative journey together, supporting and inspiring one another every step of the way. Measurements and Results Made Simple: Seamlessly track your body measurements and capture progress photos, witnessing your incredible transformation firsthand. Receive push notifications, keeping you on track with scheduled workouts and activities to ensure you never miss a beat. Seamless Integration, Maximum Efficiency: Connect your Apple Watch to effortlessly track workouts, steps, and habits directly from your wrist. Harness the power of compatibility, syncing with top-tier wearable devices and apps like Apple Health, Garmin, Fitbit, MyFitnessPal, and Withings for a comprehensive overview of your fitness, sleep, nutrition, and body stats. Don't wait another day to unlock the extraordinary potential within you. Download the Optimized Strength Training App today and unleash the best version of yourself!"
Screenshots
Verdict
The clearest difference is update cadence: ERHA.DNA at every 3 weeks against Optimized Strength Training's every 6 weeks. ERHA.DNA also leads on iOS requirement (9.0 vs 15.5). Optimized Strength Training's advantage is ratings volume (5 vs 1) and device support (4 vs 2). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for ERHA.DNA against 5.0 for Optimized Strength Training. That said, the two scores are not equally well evidenced: Optimized Strength Training has 5 ratings behind it against 1, so its average is the more settled of the two.
ERHA.DNA ships an update every 3 weeks, Optimized Strength Training every 6 weeks. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.
| Parameter | ERHA.DNA | Optimized Strength Training |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 48 MB | 193 MB |
| Age rating | 12+ | 4+ |
| Developer | Erha | Optimized Strength Training LLC |
Customer experience
ERHA.DNA
Optimized Strength Training
In-app purchases
ERHA.DNA
No in-app purchases
Optimized Strength Training
No in-app purchases
Questions
Is ERHA.DNA free?
Is Optimized Strength Training free?
Which has better reviews, ERHA.DNA or Optimized Strength Training?
Do ERHA.DNA or Optimized Strength Training have ads?
Which is updated more often, ERHA.DNA or Optimized Strength Training?
Other comparisons
