Optimized Strength Training vs Lull
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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!"
Lull
This app offers a sound mixer to help quiet your mind and promote sleep and relaxation. Choose from a variety of ambient soundscapes, layer them with individual volume controls, and use the sleep timer for uninterrupted rest.
- Layer up to 5 sounds
- Individual volume controls
- Sleep timer
- Gapless looping
- Background playback
- Offline use
Read full descriptionHide full description
Lull is a simple, beautiful sound mixer for sleep and anxiety relief. Pick from 29 handcrafted ambient soundscapes, layer them together, and quiet your mind. No account needed. No subscriptions. Just tap, mix, and breathe. CALM YOUR MIND Can't sleep because your mind won't stop? Layer brown noise with distant thunder to drown out racing thoughts. Mix rain on a tent with a cat purring for instant comfort. Lull fills the silence with something safe — so you can let go and rest. SOUNDS Layer up to 5 sounds at once with individual volume controls: - Rain: Gentle rain, forest shower, rain on window, rain gutter, rain on tent, distant thunder - Ocean: Ocean waves, rocky shore, river flow, flowing stream, beachside cafe - Forest: Morning birdsong, night crickets, forest birds, cricket loop - Wind: Gentle breeze - Fan: Desk fan, ceiling fan - Noise: White noise, soft noise, pink noise, brown noise, deep brown (extra-bassy for ADHD focus and deep sleep) - Fire: Fireplace, campfire - Baby: Heartbeat, music box, piano lullaby, cat purring FEATURES - Mix & match: Layer multiple sounds with per-sound volume sliders - Sleep timer: 30 minutes free, watch a short video for 8 hours - Dark, calming interface that won't disturb you at bedtime - Gapless looping: Seamless audio with no gaps between loops - Background playback: Keeps playing when you lock your phone - Lightweight: No account, no internet required after install Whether you're dealing with anxiety, insomnia, or just need to unwind — Lull gives you the sounds that help, without the clutter. No guided meditations, no mood trackers, no wellness fluff. Just sound. All sounds are handcrafted for sleep: real field recordings, mathematically generated noise for a clean consistent texture, and an original D-flat major piano lullaby composed for the baby section.
Screenshots
Verdict
The clearest difference is ads: Optimized Strength Training at none against Lull's shown. Optimized Strength Training also leads on ratings volume (6 vs 1). Lull's advantage is update cadence (every 5 days vs every 6 weeks). On price, rating, in-app purchases and monetization model 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 Optimized Strength Training against 5.0 for Lull. That said, the two scores are not equally well evidenced: Optimized Strength Training has 6 ratings behind it against 1, so its average is the more settled of the two.
Optimized Strength Training ships an update every 6 weeks, Lull every 5 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Optimized Strength Training | Lull |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 193 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Optimized Strength Training LLC | PPV Enterprises LLC |
Customer experience
Optimized Strength Training
Lull
In-app purchases
Optimized Strength Training
No in-app purchases
Lull
No in-app purchases
Questions
Is Optimized Strength Training free?
Is Lull free?
Which has better reviews, Optimized Strength Training or Lull?
Do Optimized Strength Training or Lull have ads?
Which is updated more often, Optimized Strength Training or Lull?
Other comparisons















