Somnara vs Fasting Window
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Somnara
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Tired at the wrong times? Somnara maps your body clock, tracks your sleep debt, and tells you when to sleep, eat, and get daylight. Free Features β’ Circadian Rhythm Quiz & Baseline Assessment β Get a personalized circadian health score. β’ Sleep Debt Tracker β Monitor and repay your sleep debt with practical, science-based steps. β’ Daily Circadian Insights β Real-time reminders to better align your activities with your body clock. β’ Guided Sleep Preparation β Relaxation tools, meditation audio, and breathwork routines. β’ Basic Circadian Schedule β Suggested sleep/wake times that fit your lifestyle. β’ Affiliate Sleep Shop β Curated sleep-supporting products with direct links. Premium Features β’ AI Sleep Coach β Real-time nudges and personalized recommendations to help you follow your plan. β’ Advanced Sleep Tracking β Detailed sleep analysis and comprehensive reports. β’ Personalized Circadian Schedule β Your daily sleep and wake plan, tuned to your chronotype and Circadian Score. β’ Smart Habit Builder β Suggestions for workout timing, meals, and blue light limits. β’ Premium Content Library β Expert sleep tips, shift-work guides, and advanced meditations. Why Somnara? Unlike basic sleep trackers, Somnara uses circadian science and AI to provide daily, practical guidanceβnot just data. The goal is to help you build sustainable habits that align your body clock, improve daytime energy, and support more natural sleep rhythms. Somnara is your personal circadian health and sleep optimization assistant. Millions of people struggle with poor sleep caused by irregular schedules, high stress, and disrupted circadian rhythms. Through personalized guidance, smart routines, and light-based circadian strategies, Somnara helps you build healthier habits that support deeper, more restorative sleep. All guidance is for lifestyle and educational purposes and should be used alongside, not in place of, advice from your healthcare provider. Important Medical Disclaimer Somnara is for general wellness, education, and habit support only. It does not provide medical care, diagnosis, or treatment and is not a substitute for a doctor, sleep specialist, or other qualified healthcare professional. Always talk to your doctor before making any medical decisions, including changes to medications, treatments, or care plans. Do not use this app as the only source for decisions about your health. If you think you may have a medical emergency, call your doctor or emergency services right away. Any scores, insights, or suggestions in the app are informational and should be used in addition to, not instead of, your doctor's advice. Content in Somnara does not provide medical advice and are not a replacement for professional medical care. Payments & Subscriptions Somnara uses a freemium model. Core features are free. A premium subscription unlocks the AI coach, advanced tracking, and your personalized schedule. β’ $4.99/month or $29.99/year subscription β’ Payment will be charged to your Apple ID account at confirmation of purchase β’ Subscription renews automatically unless canceled at least 24 hours before the end of the current period β’ You can manage or cancel your subscription in your App Store account settings Privacy & Terms Privacy Policy: https://sketchmyapp.com/somnara/privacy Terms of Service: https://sketchmyapp.com/somnara/terms Start your journey to better sleep todayβalongside regular care and advice from your doctor.
Fasting Window
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Record your own fasting times, without an account. YOUR TIMES IN ONE WINDOW - Read your planned time to eat again, with its date - Correct an active start within the past 24 hours - Choose no goal to record elapsed time without a planned time - Keep your selected 16:8, 18:6, 20:4, OMAD or Custom preset (Custom is saved as 16 hours) - Receive a reminder at your chosen goal, when notifications are allowed - End at any time, including before your chosen goal KEEP YOUR RECORDS - See actual lengths and summaries from your last 90 records - Correct the end time of records that ended within the past 24 hours - Existing local records and settings are preserved SAFETY INFORMATION This is a time record, not a medical tool. It does not measure metabolism or provide medical advice. Goals are personal settings, not recommendations to fast longer. Talk with a healthcare professional before considering fasting, especially if you are under 25, pregnant or breastfeeding, take insulin or diabetes medicines, take medicines that require food, have a seizure disorder, work night shifts or operate heavy machinery. If you have or have had an eating disorder, avoid fasting and consult a healthcare professional. If you feel unwell, stop regardless of your goal and seek professional advice. Sources: NIH News in Health, To Fast or Not to Fast, December 2019; https://newsinhealth.nih.gov/2019/12/fast-or-not-fast Johns Hopkins Medicine, Intermittent Fasting: What is it, and how does it work?, updated April 7, 2026; https://www.hopkinsmedicine.org/health/wellness-and-prevention/intermittent-fasting-what-is-it-and-how-does-it-work
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Verdict
The clearest difference is in-app purchases: Fasting Window at none against Somnara's 2. Fasting Window also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Somnara sells 2 in-app purchases, starting at $4.99 per month. Fasting Window asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.
| Parameter | Somnara | Fasting Window |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 β better |
| Further details β not scored | ||
| Size | 42 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | James Pelton | HeungYeol Kim |
In-app purchases
Somnara
- Monthly Premium7 Days trial$4.991 Month
- Annual Premium7 Days trial$29.991 Year
Fasting Window
No in-app purchases









