Somno vs SunAlly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Somno
This app monitors your sleep using AI and smart wearables, providing detailed analysis and science-based improvement plans. It features a smart alarm, nap tracking, and app locking to enhance sleep hygiene. Visualize your sleep patterns and understand how daily habits impact your rest.
- AI sleep analysis and improvement plans
- Smart wake-up alarm during light sleep
- Accurate nap tracking
- App lock for bedtime discipline
- Sleep heatmap calendar
- Sleep energy score
- Automatic sleep tracking with wearables
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Somno is a sleep monitoring app that pairs with smart wearables. It automatically imports and analyzes historical sleep data, uses AI to identify potential issues, and provides science-based improvement plans. It supports mainstream wearables like Apple Watch. ◎ Why Choose Somno? [AI Sleep Report] Get more than just data—clear explanations of sleep issues and actionable advice. [Smart Wake-Up Alarm] Gently wakes you via haptic vibration during light sleep so you start your day refreshed. [Nap Tracking Algorithm] Accurately records short naps and dozing-off moments, filling the gap left by Apple Watch. [App Lock at Bedtime] Automatically locks distracting apps like games and social media to help you sleep early and stay disciplined. [Sleep Heatmap Calendar] Visualize your sleep patterns over time with a color-coded late-night history chart. [Sleep Energy Score] Evaluates sleep quality based on natural rhythms, personal goals, and core metrics—so you know how rested you really are. [Auto-Sleep Tracking] Works with Apple Watch to record sleep automatically—no manual operation needed. [Noise Analysis] Overlay noise levels on your sleep stages to see how sounds (like snoring) disrupt deep sleep. [Sleep Regularity] See how consistent your sleep schedule is and how deviations affect your rest. [Fun Home Screen Widgets] Beautiful, data-rich widgets to personalize your screen and reduce sleep anxiety. [Data Privacy] All data is stored only on your device or encrypted in your iCloud—never uploaded or shared. ◎ What Users Say - "The clearest sleep app I’ve used! Somno tells me straight how exercise affects my deep sleep—no more guessing." — Leray - "AI analysis helped me realize weekend naps made me tired on Monday. I finally stopped revenge bedtime procrastination!" — Bill ◎ Who Is It For? - Want to understand your sleep in a scientific way? - Want short naps counted toward your sleep goal? - Trouble falling asleep until very late? - Getting less than 30 mins of deep sleep per night? - Irregular schedule—sleep a lot but still tired? - Often feel anxious, stressed, or low energy? - Hard to focus during the day? - Whether you sleep poorly, have insomnia, or just want deeper insight—Somno is your ideal sleep companion. ◎ Subscription Terms 1. After confirmation, payment will be charged to your iTunes Account automatically. 2. Your account is charged within 24 hours before each renewal period. 3. To cancel, turn off auto-renewal in iTunes/Apple ID Settings at least 24 hours before current period ends. 4. If not canceled during trial, subscription automatically starts and payment is taken. Unused trial time will be forfeited. 5. You may cancel anytime. Without cancellation, the subscription continues. ◎ Thank You for Your Support Somno is made by independent studio Remix Design. If you like Somno, please leave a 5-star rating—it helps more people find us and supports further development. Email: somno@remixdesign.app Twitter: https://x.com/RemixDesignHQ ◎ Agreements Privacy Policy: https://somno.remixdesign.app/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SunAlly
This app helps you optimize your time outdoors for health benefits like vitamin D synthesis and improved well-being. It provides personalized recommendations, real-time UV monitoring, and smart reminders for safe and beneficial sun exposure.
- Optimal outdoor activity time recommendations
- Real-time UV level monitoring
- Smart UV risk prevention reminders
- Vitamin D synthesis estimation
- Personalized health recommendations
- Apple Health integration
- HRV stress monitoring
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SunAlly is your intelligent sunlight companion, helping you fully embrace the health and vitality that sunlight brings while maintaining optimal wellness. ◎ How SunAlly Helps You Through intelligent monitoring and personalized recommendations, SunAlly helps you find the perfect times for outdoor activities, making it easy to get sufficient vitamin D and enhance your overall wellbeing. Beautiful data visualizations give you clear insights into your daily sunlight intake, while smart reminders ensure you never miss the perfect outdoor moment. ◎ Core Features - Optimal outdoor activity time recommendations - Real-time UV level monitoring and protection guidance - Smart reminder system for UV risk prevention - Intelligent vitamin D synthesis estimation and trend tracking - Personalized health recommendations for continuous support - Comprehensive health data integration and cross-impact analysis - Rich collection of Apple Watch complications - HRV stress monitoring and real-time alerts ◎ Design Philosophy We believe sunlight is nature's most precious gift to humanity. SunAlly's design centers on user health, promoting the benefits of appropriate sun exposure while helping users prevent potential harm from overexposure. We strive to create a simple, practical, and user-friendly application that makes every outdoor activity more enjoyable and safer. ◎ Target Users - Urban dwellers pursuing a healthy lifestyle - Outdoor sports and fitness enthusiasts - Health-conscious wellness seekers - Anyone looking to develop regular outdoor activity habits ◎ Apple Health Integration SunAlly deeply integrates with Apple Health, recording and analyzing multiple health metrics including sunlight exposure and HRV. Paired with Apple Watch, it helps you stay informed about your body's condition and easily plan outdoor activities. ◎ Health Advisory Disclaimer The sunlight exposure duration and vitamin D synthesis estimates provided by SunAlly are for reference only. Due to individual differences and environmental variations, actual conditions may vary. This data does not constitute medical advice in any form. If you have specific concerns about outdoor activities or vitamin D supplementation, please consult a medical professional. ◎ Premium Function - Review historical health status - Weekly/monthly/yearly sunlight trend - Weekly/monthly/yearly Vitamin D trend - Extra HRV watch face cartoon character - Sunlight and UV analysis - Detailed Vitamin D supplement advice Payment will be charged to subscriber’s iTunes account at the confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Subscriber’s account will be charged for renewal within 24 hours prior to the end of the current period. Subscribers can manage their subscriptions by going to their account settings on the App Store. For technical assistance, please contact our team: Privacy Policy: https://dev.freenotetech.com/sunally/policy/ Terms of Service: https://dev.freenotetech.com/sunally/terms/
Screenshots
Verdict
The clearest difference is rating: Somno at 4.6 against SunAlly's 3.5. Somno also leads on review sentiment (94% vs 60%). SunAlly's advantage is monetization model (freemium vs subscription) and update cadence (weekly vs fortnightly). On price, ratings volume, 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. Somno sells 6 in-app purchases, starting at $3.99 per month and SunAlly sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Somno holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 27 and 11 respectively. Written reviews point the same way: 94% of Somno's written reviews are positive against 60% of SunAlly's.
Somno ships an update fortnightly, SunAlly weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | Somno | SunAlly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (27 ratings) — better | 3.5 (11 ratings) |
| Positive reviews | 93.8% of reviews — better | 60.0% of reviews |
| Number of ratings | 27 — better | 11 |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Freemium — better |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Remix Design Studio | Hangzhou Freedom Note Artificial Intelligence Technology Co., Ltd |
Customer experience
Somno
SunAlly
In-app purchases
Somno
- Somno Pro Monthly7 Days trial$3.991 Month
- Somno Pro Yearly$17.991 Year
- Somno Pro Yearly$29.991 Year
- Somno Pro Lifetime(Early Bird)$29.99
- Somno Pro Lifetime(Angel User)$29.99
- Somno Pro Lifetime$59.99
SunAlly
- Premium SunAlly HRV Monthly$4.991 Month
- Premium SunAlly HRV Yearly$19.991 Year
- Premium SunAlly HRV Lifetime$29.99








