NutrientOS vs Massiv

NutrientOS is a calorie counter, macro tracker, micronutrient tracker, food scanner, workout log, and progress tracker built for people who want more than basic food logging. Track calories, protein, carbohydrates, fat, vitamins, minerals, meals, workouts, recovery, biometrics, and long-term progress in one place. Search foods, scan barcodes, create recipes, compare restaurant meals, and review detailed nutrition insights to better understand what you eat. FOOD, CALORIE, AND MACRO TRACKING • Log meals with a detailed food diary • Track calories, protein, carbohydrates, fat, and micronutrients • Search foods and scan product barcodes • Create custom foods and recipes • Save favorites and schedule recurring foods • Review recent foods for faster logging • Track serving sizes, grams, and portions DETAILED NUTRITION INSIGHTS • View vitamins, minerals, amino acids, and nutrient coverage • Review food grades and ingredient-based food-quality insights • See satiety, absorption, and food-pairing information • Identify nutrient gaps and food sources • Review daily and longer-term nutrition trends • Understand when nutrient information is estimated or unavailable RESTAURANT NUTRITION • Browse restaurant menus • Search thousands of menu items • Compare meals side by side • Sort by calories, protein, sodium, food grade, and protein density • Find options that better match your nutrition goals FITNESS, RECOVERY, AND PROGRESS • Log workouts and training sessions • Track weight and body measurements • Record water, supplements, sleep, mood, energy, and recovery • Track supported biometrics and custom health metrics • Review nutrition, training, and recovery patterns over time • Connect supported Apple Health data IMPORT AND EXPORT • Import supported MyFitnessPal data • Import supported Cronometer data • Export your personal NutrientOS data • Keep your existing nutrition history in one place NUTRIENTOS PRO AND PREMIUM NutrientOS Pro and NutrientOS Premium require an additional in-app purchase. Paid features may include: • AI Meal Scan for estimating food and nutrition from a photo • NutrientOS Coach for nutrition and fitness guidance • AI Recipe Builder • AI meal-plan generation • AI training-plan generation • Body-composition photo analysis • Weekly nutrition and progress checkups • Advanced nutrition, training, and recovery insights • Interactive charts and longer reporting ranges • Higher AI usage limits SUBSCRIPTIONS NutrientOS Pro and NutrientOS Premium are optional auto-renewable subscriptions. Payment is charged to your Apple ID account after purchase confirmation. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription in your App Store account settings. IMPORTANT INFORMATION NutrientOS is intended for informational wellness, nutrition, and fitness tracking. It does not provide medical diagnosis, medical treatment, or medical advice. AI-generated estimates and guidance may be incomplete or inaccurate and should be reviewed before use. Consult a qualified healthcare professional regarding medical concerns or major changes to your diet or exercise routine. Terms of Use: https://nutrientos.com/terms Privacy Policy: https://nutrientos.com/privacy

Stop rebuilding your routine every session. Massiv combines fast workout logging with 17 built-in lifting programs and transparent, rule-based progression. Run 5/3/1, PHUL, PPL, GZCLP, Texas Method, and StrongLifts 5x5 — 17 proven weightlifting routines with progression math that adjusts your training maxes as you lift. Log every set fast, track your barbell and dumbbell lifts, and watch the weight go up. Log sets fast: one tap to confirm last session's weight and reps, quick numpad edits for PRs, and an Apple Watch companion for wrist logging. ▶ FREE WORKOUT TRACKING • Unlimited workout log and training history • 17 built-in lifting programs with progression engines • Superset & Drop Set logging — group exercises with fused round-trackers, and log drop chains that automatically trigger shorter recovery timers • Coach Notes — traceable training observations analyzing plateau, fatigue, and consistency trends • Plate calculator + per-gym equipment profiles — Massiv knows which plates and dumbbells you own and avoids prescribing loads you can't build • Per-lift e1RM trends, PR log, volume by muscle group • Calendar heatmap of every session • Apple Watch companion — log sets and manage rest timers from your wrist • Apple Health sync for bodyweight + workouts • CSV and JSON export — your data is yours ▶ SWITCHING FROM ANOTHER APP? Bring your training history with you. Massiv imports CSV exports from Strong, Hevy, Fitbod, StrongLifts, and Jefit, auto-detects the format, and matches your exercises. Your data stays on your phone. ▶ MASSIV PRO (monthly, annual, or one-time Lifetime — see in-app for current pricing) • Custom program builder with advanced load functions • Major program edits: add sessions, change exercises, adjust progression logic • Pro Continuity: Automatic cloud backups encrypted on your device before upload, with 5-backup history. Progress photos stay device-only unless you explicitly include them in backup. • Body measurements + progress photos with ghost-overlay alignment, biometric lock, and on-device encryption • Monthly recap reports + period-over-period comparison • Muscle distribution + balance analytics • Unlimited custom exercises • Always-on auto-progression ▶ WHY MASSIV Massiv is rule-based by design. It does not use an LLM to guess your next workout. When Massiv changes a training max or suggests a deload, it shows the rule-based reason. ▶ BUILT FOR INTERMEDIATE LIFTERS You have finished your linear-progression block. You have outgrown the Notes app. You want to run PHUL, hit your sets, and see the bar move up. Massiv runs the program; you do the work. ▶ PROGRAMS INCLUDED GZCLP · Greyskull LP · Starting Strength · StrongLifts 5x5 · Bodyweight Foundation · Bodyweight Advanced Split · Massiv DB Essentials · Dumbbell PPL · Frankoman Dumbbell Split · 6-day PPL · Massiv PPL Advanced · PHUL · Texas Method · Massiv Hypertrophy Waves (5/3/1-style) · Massiv Wave Powerbuilding · Massiv Classic Split · Massiv Glute Aesthetics ▶ PRIVACY Local-first. No account required to log workouts. Optional cloud backups are encrypted on your device before upload. Progress photos are protected by device authentication and remain device-only unless you explicitly choose a backup option. We never sell your data. Full export at any time. Massiv Pro is a recurring subscription unless you choose Lifetime. Cancel any time in App Store account settings. Terms of Use (EULA): https://massiv.app/terms/ Privacy Policy: https://massiv.app/privacy/ Program and third-party app names are trademarks of their respective owners. Massiv is not affiliated with or endorsed by them.