Comparison

kcalio vs Fasting Tracker

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

Head to head
About

kcalio

Features
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Kcalio makes it easy to understand your body. Whether you want to track your fitness, adjust your macros, or check your daily calorie needs — Kcalio gives you clean, simple tools powered by accurate formulas. Included calculators: • BMI & ideal weight • BMR & TDEE (daily energy needs) • Body Fat % • Waist-Hip Ratio • Macros calculator • Hydration needs • VO₂max fitness estimator • Weight goal planner • Caloric deficit calculator No accounts. No sign-ups. No data collection. Just fast, accurate health calculations — all on your device.

About

Fasting Tracker

Read full description

Start fasting in seconds. Pick a plan, tap start, and your timer begins counting down through every fasting zone from fat burning to deep autophagy. No sign-up, no account, no bloat. Just open the app and go. Fasting Tracker makes intermittent fasting simple and visual. Watch your progress through color-coded fasting zones that show exactly what your body is doing at each stage. The 16:8, 18:6, 20:4, and custom schedules are all one tap away. Track your weight over time with a clean chart that shows real progress. Log your water intake to stay hydrated during fasts. Build fasting streaks that keep you motivated day after day with streak freezes when life gets in the way. Kiwi, your fasting companion, cheers you on as you hit each zone and celebrates every completed fast. Stats show your total fasting hours, longest streak, and weekly patterns so you can see how far you have come. Syncs with Apple Health to keep all your health data in one place. Works offline, runs locally, and respects your privacy completely. Fasting is the simplest way to feel better. This is the simplest way to fast. https://www.apple.com/legal/internet-services/itunes/dev/stdfla/

Screenshots

kcalio4 screens
Fasting Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: kcalio at none against Fasting Tracker's 4. kcalio also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Fasting Tracker's advantage is ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fasting Tracker sells 4 in-app purchases, starting at $4.99 per 7 days. kcalio asks for nothing beyond the download.

Scorecard4 real differences · 1 level
kcalio versus Fasting Tracker: the parameters behind the verdict, then further details
ParameterkcalioFasting Tracker
PriceFreeFree
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size40 MB7 MB
Age rating4+4+
DeveloperJakub FrygaCloud Motion Lab LLC

In-app purchases

None

kcalio

No in-app purchases

4 purchases

Fasting Tracker

Subscriptions2
  • Pro Weekly3 Days trial$4.997 Days
  • Yearly Pro$19.991 Year
One-time2
  • Lifetime Pro - Offer$19.99
  • Lifetime$29.99

Questions

Is kcalio free?
kcalio is free to download, with no in-app purchases.
Is Fasting Tracker free?
Fasting Tracker is free to download, with in-app purchases available.
Do kcalio or Fasting Tracker have ads?
kcalio shows ads; Fasting Tracker does not.

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