AmiFit vs Marrow
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
AmiFit
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See what you're actually missing: โข What's my Omega-6 to Omega-3 ratio right now? โข Do I get enough B12? โข How much iron have I gotten this week? โข Do I get enough Vitamin D from what I eat? โข Have I had enough magnesium this week? AmiFit tells you. No account. No internet. No servers. Use it in airplane mode if you want. AI SCANNING IS AMAZING, BUT You never know if the weight it guesses is right. And a food scale works, but it's a pain. There's a third option. Real photos of real portions in your pocket. You'll know what 275g of cheeseburger looks like. Most people don't. I don't photograph my food. I just eat it. OFFLINE. NO ACCOUNT EVER CREATED. Use it in the mountains. Use it in the metro. Offline is the new black. NUTRIENTS (48) Protein, carbohydrate, fat, fiber, sugar, saturated fat, trans fat, monounsaturated fat, polyunsaturated fat, Omega-3 (ALA, EPA, DHA), Omega-6, calcium, phosphorus, potassium, magnesium, sodium, iron, zinc, copper, manganese, selenium, vitamins A, D, E, K, C, B1, B2, B3, B5, B6, B9, B12, choline, all 9 essential amino acids, cholesterol, alcohol, water. Macros are the past. Micros are the future. USE IT FOR FREE (NO EXPIRATION) Track your calories, protein, carbohydrate and fat for free. No functionality is locked. Premium only shows you more nutrients. See what you're missing. Literally. Terms of Use: https://amifit.app/terms
Marrow
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Most people fall short of the 1,000 mg daily calcium goal without realizing it. Marrow makes it effortless to close that gap โ log what you eat, track sun exposure for vitamin D, and see your progress at a glance. โ KEY FEATURES โ โข Daily calcium progress bar โ live mg counter tracks your intake toward the 1,000 mg goal, turning green the moment you hit it โข Sun exposure log โ tap +/- to record minutes of sun each day to support natural vitamin D synthesis โข 30 curated calcium-rich foods โ dairy, leafy greens, fish, nuts, seeds, and plant-based options, each with exact mg per serving โข Category filters and search โ quickly find any food by category (Dairy, Leafy Greens, Fish, Nuts, Plant-Based) or by name โข Foods sorted by calcium content โ highest-impact choices always surface first โข Log and remove meals โ add a food in two taps; remove it just as easily if you log by mistake โข 14-day history chart โ color-coded bar chart shows daily totals at a glance, with a goal reference line โข Summary stats โ see your average daily calcium and how many of the last 14 days you hit the goal โข Per-day breakdown โ tap into any past day to see every food logged and sun minutes recorded โข Fully offline and private โ no account, no data leaves your device Whether you are preventing osteoporosis, recovering bone density, or simply building better eating habits, Marrow gives you an accurate, distraction-free way to take control of your bone health. This app is for informational and tracking purposes only and is not a substitute for medical advice. Consult a qualified healthcare professional before changing your diet or health plan. โ Marrow Bone Health PREMIUM โ Premium unlocks unlimited food and sun logging, the full 14-day history chart with goal trends, a personalized daily calcium target, and an ad-free experience โ everything stored 100% offline on your device. Subscription options: โข Weekly โ $9.99 / week โข Yearly โ $49.99 / year (includes a 3-day free trial) Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pnkl26.web.app/privacy-policy
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Verdict
The clearest difference is update cadence: Marrow at every 8 days against AmiFit's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. AmiFit sells 2 in-app purchases, starting at $6.99 per month and Marrow sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
AmiFit ships an update every 3 weeks, Marrow every 8 days. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.
| Parameter | AmiFit | Marrow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 8 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 71 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | X10 EAS | Linh Phan Nhat Khanh |
In-app purchases
AmiFit
- AmiFit Monthly$6.991 Month
- AmiFit Lifetime$99.00
Marrow
- Marrow Bone Health Weekly$9.997 Days
- Marrow Bone Health Yearly3 Days trial$49.991 Year









