SunMax vs PrimalScan
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SunMax
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SunMax turns sunlight into science-based guidance for vitamin D and safer sun exposure. Using real-time UV data, a personalized profile, and a multi-factor model built around your skin type, exposed skin, sun angle, session timing, and weather conditions, SunMax helps you plan outdoor time more intentionally. KEY FEATURES Free features: β’ Personalized setup Create your profile, take the Fitzpatrick skin quiz, and tailor guidance to your body and skin type. β’ Vitamin D session tracking Start live sessions and watch your estimated vitamin D and burn-risk guidance update as conditions change. Daily limit of 20 minutes. β’ Real-time UV + weather intelligence View current UV, hourly trends, and forecast context to choose better times for sun exposure. β’ Apple Health sync Connect Apple Health to autofill your height, weight, and body metrics, import last night's sleep for your morning check-in, and save your sun-session vitamin D and time in daylight back to Health. Optional and off until you turn it on. β’ Daily goals, supplement logging, and reminders Track sunlight and supplement intake together so you stay consistent with your routine. β’ Account benefits (free) Create a free account to save and sync your data across devices, and customize avatar clothing for more accurate exposure estimates. β’ Limited past session logging Add up to 1 past session per day to backfill your history. Premium subscription features: β’ Unlimited vitamin D sessions Track as many sessions as you want with no daily time limits. β’ Unlimited past session logging Add as many past sessions as you need to complete your vitamin D history. β’ Morning and evening light routines Track circadian rhythm exposure separately from vitamin D sessions. β’ Wellbeing insights and correlations See how your sun exposure affects your sleep, mood, and energy throughout the day β enriched by sleep data from Apple Health. β’ Advanced analytics and longer-range trends View weekly and monthly progress with historical data and detailed insights. β’ Streak freeze protection Protect your daily streak with monthly freeze days. Subscription details: SunMax offers optional auto-renewing subscriptions for Premium features, including monthly, yearly, and lifetime options where available. A 7-day free trial may be offered to eligible new subscribers. Built for walks, workouts, beach days, and everyday time outdoors, SunMax helps you use sunlight more intentionally. Important: SunMax provides estimates and guidance, not medical advice. Terms of Service: https://www.sunmaxapp.com/terms-of-service/ Privacy Policy: https://www.sunmaxapp.com/privacy-policy/
PrimalScan
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PrimalScan helps you understand how each meal fits your diet and goals. Take a photo or choose one from your library. PrimalScan analyzes the meal and gives you: β’ An instant meal score β’ Estimated calories, protein, fat, and carbohydrates β’ Vitamin and mineral insights β’ A clear explanation of how the meal aligns with your selected diet β’ Practical suggestions for improving the meal CHOOSE YOUR EATING STYLE Get analysis tailored to Primal, Carnivore, Mediterranean, and other supported nutrition approaches instead of generic, one-size-fits-all feedback. AI DIET COACH Ask questions about food, ingredients, meal choices, and your goals. Receive personalized guidance based on your selected diet and preferences. RECIPES MADE FOR YOU Generate meal ideas that match your eating style, goals, and available ingredients. TRACK YOUR PROGRESS Save recent scans, revisit previous results, and follow your daily calories, macros, vitamins, and minerals in one place. PrimalScan is designed to make food decisions faster, clearer, and more personalβwhether you are refining your diet, building better meals, or simply learning what is on your plate. Some features require a PrimalScan Pro subscription. Important: PrimalScan provides estimates and general educational information only. It is not medical advice and should not be used to diagnose, treat, cure, or prevent any condition. Nutrition estimates may vary. Consult a qualified healthcare professional before making major dietary changes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
SunMax and PrimalScan are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. SunMax sells 3 in-app purchases, starting at $4.99 per month and PrimalScan sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | SunMax | PrimalScan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 27 MB | 25 MB |
| Age rating | 4+ | 12+ |
| Developer | Oliver Stojcevski | Maksym Saienko |
In-app purchases
SunMax
- Premium Monthly7 Days trial$4.991 Month
- Premium Yearly7 Days trial$39.991 Year
- SunMax Premium Lifetime$69.99
PrimalScan
- PrimalScan Pro Monthly1 Month trial$14.991 Month
- PrimalScan Pro Yearly$89.991 Year








