IronLog vs NutrientOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IronLog
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Stop losing your workout plans in chats, notes, and screenshots. IronLog keeps all your training programs in one place. Open the app and your workout for today is already on screen, matched to the day of the week. No searching, no scrolling. SMART REST TIMER Every exercise has its own custom rest timer. Hit the button, rest, get notified when it's time for your next set. Works on the lock screen and in the background. WEIGHT DIARY Track your working weight for every exercise. See your progress over time. Are you lifting heavier or dropping? Every entry is dated and stored. AI PROGRAM IMPORT Don't want to build a program manually? Copy our built-in AI prompt, paste it into any AI assistant, get a JSON back, and import it in one tap. Your entire training plan, ready in seconds. FULL CUSTOMIZATION Create programs from scratch or edit every detail: exercises, sets, reps, rest time, muscle groups, weekly schedule, recovery intervals. It's your program, make it yours. 13 PREMIUM THEMES From minimal to cinematic. Gold sparkles, forge embers, matrix rain, neon glow, cherry blossoms. Unlock themes by supporting the developer. BUILT FOR LIFTERS Auto-detects your training day based on the day of the week Custom rest timer per exercise with background notifications Weight log diary with progress tracking AI-powered program import 13 visual themes with particle effects Full program editor: exercises, groups, schedule, recovery Import and export workout programs Ukrainian and English interface No ads. No subscriptions. No account required. Built by a lifter who got tired of scattered workout notes. IronLog is the app I wished I had.
NutrientOS
Track your nutrition, understand your meals, and build healthier habits with food logging, macro and micronutrient tracking, and workout logging. Optional AI tools offer advanced guidance and insights for personalized wellness.
- Food diary with calories, macros, and micronutrients
- Barcode and food search
- Restaurant menu browsing
- Fitness, hydration, and sleep tracking
- AI meal scan
- AI Coach for guidance
- AI recipe builder
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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
Screenshots
Verdict
The clearest difference is update cadence: IronLog at every 5 days against NutrientOS's fortnightly. NutrientOS's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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. IronLog sells 6 one-off in-app purchases and NutrientOS sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
IronLog ships an update every 5 days, NutrientOS fortnightly. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.
| Parameter | IronLog | NutrientOS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 22 MB |
| Age rating | 4+ | 17+ |
| Developer | Yana Mishenina | Jeremiyah Escobedo |
In-app purchases
IronLog
- Small Tip$0.99
- Nice Tip$1.99
- Kind Tip$2.99
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- Big Tip$4.99
- Huge Tip$9.99
- Mega Tip$19.99
NutrientOS
- Atlas Pro Monthly$7.991 Month
- Atlas Premium Monthly$12.991 Month









