Comparison

AmiFit vs Marrow

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

AmiFit

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See what you're actually missing: โ€ข What's my Omega-6 to Omega-3 ratio right now? โ€ข Do I get enough B12? โ€ข How much iron have I gotten this week? โ€ข Do I get enough Vitamin D from what I eat? โ€ข 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

About

Marrow

Features
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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€” โ€ข Daily calcium progress bar โ€” live mg counter tracks your intake toward the 1,000 mg goal, turning green the moment you hit it โ€ข Sun exposure log โ€” tap +/- to record minutes of sun each day to support natural vitamin D synthesis โ€ข 30 curated calcium-rich foods โ€” dairy, leafy greens, fish, nuts, seeds, and plant-based options, each with exact mg per serving โ€ข Category filters and search โ€” quickly find any food by category (Dairy, Leafy Greens, Fish, Nuts, Plant-Based) or by name โ€ข Foods sorted by calcium content โ€” highest-impact choices always surface first โ€ข Log and remove meals โ€” add a food in two taps; remove it just as easily if you log by mistake โ€ข 14-day history chart โ€” color-coded bar chart shows daily totals at a glance, with a goal reference line โ€ข Summary stats โ€” see your average daily calcium and how many of the last 14 days you hit the goal โ€ข Per-day breakdown โ€” tap into any past day to see every food logged and sun minutes recorded โ€ข 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: โ€ข Weekly โ€” $9.99 / week โ€ข 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

Screenshots

AmiFit4 screens
Marrow3 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference ยท 5 level
AmiFit versus Marrow: the parameters behind the verdict, then further details
ParameterAmiFitMarrow
PriceFreeFree
Update frequencyEvery 3 weeksEvery 8 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS18.017.0 โ€” better
Further details โ€” not scored
Size71 MB1 MB
Age rating17+4+
DeveloperX10 EASLinh Phan Nhat Khanh

In-app purchases

2 purchases

AmiFit

Subscriptions1
  • AmiFit Monthly$6.991 Month
One-time1
  • AmiFit Lifetime$99.00
2 purchases

Marrow

Subscriptions2
  • Marrow Bone Health Weekly$9.997 Days
  • Marrow Bone Health Yearly3 Days trial$49.991 Year

Questions

Is AmiFit free?
AmiFit is free to download, with in-app purchases available.
Is Marrow free?
Marrow is free to download, with in-app purchases available.
Do AmiFit or Marrow have ads?
Neither AmiFit nor Marrow shows ads.
Which is updated more often, AmiFit or Marrow?
AmiFit ships an update every 3 weeks, and Marrow every 8 days. Most recently, AmiFit was updated on October 9, 2026 and Marrow on October 13, 2026.

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