Somnee vs MainGain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Somnee
This app works with a smart headband to improve sleep quality using personalized neurostimulation and EEG tracking. It provides detailed sleep reports and insights to help you sleep faster, longer, and deeper.
- Personalized sleep neurostimulation
- Clinical-grade EEG sleep tracking
- Detailed sleep performance reports
- AI sleep coach
- Phone-free session start
- Comfortable, breathable headband design
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Meet Somnee, the app that works with the award-winning smart sleep headband that directly improves sleep quality and decodes nightly sleep performance for unrivalled insights. As your own clinical-grade AI sleep coach, Somnee pairs proven personalized neurostimulation that helps you naturally sleep faster, longer, and deeper, with precise sleep reports powered by lab-grade EEG tracking. IMPROVE 360° SLEEP HEALTH Somnee is proven to cut time to fall asleep by 50%, reduce wake-ups by 33%, and boost total sleep time by ~30 min. It’s 4x more effective than melatonin, 2x more effective than CBT-i, and 1.5x more effective than Ambien. PERSONALIZED SLEEP NEUROSTIMULATION Somnee maps the unique way your brain sleeps, then delivers gentle frequencies to boost your optimal sleep signals. The result: a dynamic, effective, 100% personalized sleep system that evolves with you as your sleep changes over time. BRAIN-BASED TRACKING + SLEEP REPORTS Clinical-grade EEG+ sensors collect precise brainwave data straight from the source, uploading 40x more sleep data than most trackers. Explore reports featuring insights into sleep onset, sleep stages, and more. PHONE-FREE USE, ALL-NIGHT COMFORT Start sessions phone-free with just the click of the headband button. Somnee’s soft, breathable fabric and innovative design molds to you for maximum comfort, no matter how you sleep. MADE BY WORLD-RENOWNED SLEEP NEUROSCIENTISTS Developed over 7 years of R&D by Dr. Matthew Walker (Author of NYT Bestseller, “Why We Sleep”), Dr. Bob T. Knight. Dr. Ram Gurumoorthy, and Dr. Rich Irvy — Somnee leverages cutting edge neuroscience used by top sleep labs for decades, now made available from the comfort of home. Our real-world results are clinically proven and published in the peer-reviewed scientific journal, Frontiers in Human Neuroscience. Have questions? We’re here to help. Email us at support@somneesleep.com. Terms of Use: www.somneesleep.com/pages/privacy-policy-and-terms-of-use/ www.apple.com/legal/internet-services/itunes/dev/stdeula/
MainGain
This app helps you accurately determine your daily calorie needs for weight maintenance using a 14-day tracking method. It removes guesswork by analyzing your actual food intake and weight changes, providing personalized results for fitness goals like bulking or cutting.
- 14-day tracking for accurate maintenance calories
- Meal and weight tracking
- Barcode scanning for food entry
- Product search for food items
- Data export (CSV/JSON)
- Privacy-first, data stays on device
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MainGain - Your Maintenance Calculator Finding your maintenance calories shouldn't be complicated. MainGain removes the guesswork with a scientifically-proven 14-day tracking approach. WHAT IS MAINTENANCE? Your maintenance calories are the exact amount you need to eat to maintain your current weight. It's the foundation for any fitness goal - whether you want to bulk, cut, or recomp. WHY 14 DAYS? Your daily weight fluctuates 2-4 lbs from water, sodium, and meal timing. Traditional calculators guess based on averages. MainGain uses your actual data to find YOUR unique maintenance calories. THE SIMPLE PROCESS • Track your meals (calories & protein minimum) • Weigh yourself each morning • Let the science work for 14 days • Get your personalized maintenance calories FEATURES • Clean, distraction-free tracking • Barcode scanning for quick entry • Product search for items without barcodes • Export your data anytime (CSV/JSON) • No ads, no social features, no BS • Privacy-first: all data stays on your device PERFECT FOR • Finding your true maintenance calories • Planning bulks and cuts with precision • Anyone tired of generic TDEE calculators • People who want accurate, personalized results HOW IT WORKS MainGain uses the relationship between your calorie intake and weight changes to calculate your exact maintenance. If you ate 2,400 calories daily and lost 1 lb over 14 days, your maintenance is actually 2,650. No more guessing. PREMIUM FEATURES Try all features free for 7 days, then unlock forever for $4.99: • Barcode scanner with camera • Search millions of food products • Export data as CSV or JSON • Manual barcode entry PRIVACY PROMISE MainGain is designed with your privacy in mind. All data stays on your device. No account required, no cloud sync, no tracking. Your health data is yours alone. Start your 14-day discovery today and never guess your calories again.
Screenshots
Verdict
The clearest difference is rating: MainGain at 5.0 against Somnee's 3.7. Somnee's advantage is in-app purchases (none vs 1) and ratings volume (71 vs 2). On price and ads 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. MainGain sells 1 one-off in-app purchase. Somnee asks for nothing beyond the download.
MainGain holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Somnee has 71 ratings behind it against 2, so its average is the more settled of the two.
| Parameter | Somnee | MainGain |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (71 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 64.4% of reviews | — |
| Number of ratings | 71 — better | 2 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 164 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | StimScience | Maxwell Isley |
Customer experience
Somnee
MainGain
Bugs and requests
Somnee
Reported bugs
18 issues- App malfunctions and prevents use
- Sleep reports are delayed or unavailable
- Device asks for reset in the middle of the night but won't restart
- App stops tracking sleep if woken up and button is pressed
- Device inaccurately registers sleep patterns (e.g., REM sleep)
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- App says user is not due for another session after taking device off
- Headband falls off frequently
- App is not intuitive and lacks instruction
- New UI is missing reports
- Headband is not reliable and asks for reset
- App is buggy and prevents use (e.g., 'cool down mode')
- Bad connection with electrodes
- Device doesn't track sleep stages
- Customer service is evasive with answers
- Trial period starts from order date, not activation date
- Subscription is required for cancellation
- App is extremely buggy and data is useless
- App prevents use due to 'cool down mode'
Requested features
8 requests- Add more sleep tones or meditation sounds
- Provide a better tutorial on data interpretation
- Improve headband design for comfort
- Offer bulk electrode sales
- Provide warranty on the headband
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- Add a dark mode to the app
- Track sleep stages for real-time feedback
- Easier way to update payment information
MainGain
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Somnee
No in-app purchases
MainGain
- MainGain Pro$4.99









