Comparison

FastingCat vs Nomu

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

Head to head
About

FastingCat

Master intermittent fasting with a focused timer and science-backed tracking. Monitor your progress with detailed insights, charts, and smart notifications to stay motivated and in control of your fasting journey. Your privacy is prioritized with on-device data storage and no ads.

Highlights
  • Customizable fasting presets
  • Science-backed fasting zone tracking
  • Detailed progress charts
  • Flexible scheduling with grace days
  • Smart notifications
  • Seamless weight logging
  • On-device data privacy
Features
Read full description

FastingCat is the fast, focused way to master intermittent fasting and watch the scale move. The app puts clear metrics and practical tools in your pocket so you can stay consistent, motivated and fully in control—for absolutely free. Why FastingCat? • Simple setup: pick a preset (16-8, 18-6, 20-4, 24-hour, alternate-day or create your own) and start the timer with one tap. • Science-backed tracking: see exactly when you move from Anabolic to Catabolic, Fat Burning, Ketosis, Deep Ketosis and Autophagy. • Deep insights at a glance: total fasting hours, completed fasts, streak length, best streak, grace days used, weight change and more. • Rich charts: overlay weight and fasting windows, follow your progress week over week and celebrate each downward trend. • Flexible scheduling: choose specific weekdays or let FastingCat ignore a set number of grace days so real life never breaks your streak. • Smart notifications: get reminded when your eating window closes, when a zone switches or when it is time to break your fast. • Seamless weight logging: import weight from the Health app or type manually; all data stays on device. • No account required, no ads, no cloud storage. Your privacy stays yours. Power users can: • Fine-tune presets with second-level precision • Track progress in both metric and imperial units How we keep you motivated • Streak tracking rewards consistency • Milestone badges for total hours and longest fast • Detailed fasting zone timeline so you can actually “see” ketosis flip on • Fast completion reports you can share anywhere Who is FastingCat for? • Beginners starting a weight-loss journey • Athletes cutting fat without losing muscle • Biohackers chasing autophagy benefits • Anyone who wants a distraction-free fasting timer with serious stats Disclaimer FastingCat is a lifestyle tracker, not medical advice. Intermittent fasting may not suit everyone. Consult a qualified healthcare professional before making any dietary or exercise changes. Privacy and Terms Your data never leaves your device unless you choose to export it. See the full policies: • Privacy Policy: https://sites.google.com/view/fastingcat-privacy-policy/home • Terms of Use: https://sites.google.com/view/fastingcat-terms-of-use/home

About

Nomu

This app offers a user-friendly intermittent fasting timer with customizable plans and progress tracking. It motivates users with a virtual companion and provides educational content on fasting phases. Premium features are available via subscription.

Highlights
  • Customizable fasting plans
  • Real-time progress tracking
  • Virtual fasting companion
  • Educational content on fasting phases
  • Weight and body measurement logging
  • Apple Watch integration
  • Data export
Features
Read full description

Nomu is a beautifully designed intermittent fasting timer that makes healthy habits feel effortless. Whether you're new to fasting or a seasoned pro, Nomu keeps things simple, motivating, and fun. Try Nomu free for 7 days. After that, Nomu Pro is a monthly or yearly subscription, and you can cancel anytime. FASTING MADE SIMPLE Choose from popular plans like 16:8, 18:6, 20:4, OMAD, or go deep with extended fasts up to 72 hours. Start your fast with one tap and watch your progress in real time with a gorgeous timer ring. FAST FROM YOUR WRIST The Nomu Apple Watch app lets you start, stop, and track your fast on the go — your current phase and progress are always a glance away. TRACK YOUR PROGRESS - Live fasting phases: fat burning, ketosis, autophagy, deep autophagy, and immune renewal - Streak tracking to build consistency day after day - Weight and height logging with automatic BMI calculation - Progress photos to see your visual transformation - Body measurements: waist, hips, chest, arms, and thighs - Dedicated water screen with drink-type tracking - Supplement tracking with reminders MEET NOMU Your adorable fasting companion evolves as you progress through each phase — from caterpillar to butterfly. Nomu celebrates your wins and keeps you company during those tough fasting hours. Unlock 8 wing evolution stages over 180 days. SET YOUR GOALS Define your target weight and timeline. Watch your progress ring fill as you get closer. Nomu tracks the delta so you always know where you stand. LEARN AS YOU FAST Explore the Learn library to understand the science behind every phase — fat burning, ketosis, autophagy, and more — in simple, friendly language. NOMU PRO Unlock premium features including progress photos, weight goals, body measurements, supplement tracking, advanced insights, data export, and custom accent colors. Nomu Pro is a monthly or yearly subscription after your 7-day free trial, or a one-time lifetime purchase. Cancel anytime in App Store settings. INSIGHTS THAT MATTER Weekly and monthly recaps, fasting history, water trends, weight progress, and advanced stats like your best fasting day and longest fast — all in one place. BUILT FOR YOU - Extended fasting plans: 24h, 36h, 48h, and 72h - Apple Watch app - Home and Lock Screen widgets - Apple Health sync - Export your data anytime (CSV or JSON) - Persistent notification showing your fasting status - Auto-start eating window countdown - Dark and light mode - 8 custom accent colors - 14 languages supported - Privacy first: all data stays on your device Start your fasting journey with Nomu today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.tappect.com/apps/nomu/privacy

Screenshots

FastingCat4 screens
Nomu4 screens

Verdict

The call

FastingCat and Nomu both sit at 4.9 stars, but that hides the real split: 100% of FastingCat's written reviews are positive against 86% of Nomu's. Nomu's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence 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. FastingCat sells 10 in-app purchases, starting at $0.99 per month and Nomu sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for FastingCat against 4.8 for Nomu. Both are backed by a comparable volume of ratings — 56 and 97 respectively. Written reviews are what separate them: 100% of FastingCat's written reviews are positive against 86% of Nomu's.

UpkeepUpdate frequency

FastingCat ships an update every 6 days, Nomu every 5 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
FastingCat versus Nomu: the parameters behind the verdict, then further details
ParameterFastingCatNomu
PriceFreeFree
Rating4.9 (56 ratings) — better4.8 (97 ratings)
Positive reviews100.0% of reviews — better85.7% of reviews
Number of ratings5697 — better
Update frequencyEvery 6 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.0 — better
Further details — not scored
Size24 MB84 MB
Age rating4+4+
DeveloperProApps SolutionsTappect LLC

Customer experience

FastingCat

All ratings52 ratings
Positive96.2%
Neutral1.9%
Negative1.9%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Nomu

All ratings97 ratings
Positive95.9%
Neutral3.1%
Negative1.0%
Written reviews21 reviews
Positive85.7%
Neutral4.8%
Negative9.5%

In-app purchases

10 purchases

FastingCat

Subscriptions5
  • Monthly Donation (Cookie)$0.991 Month
  • Monthly Donation (Donut)$2.491 Month
  • Monthly Donation (Smoothie)$4.991 Month
Show 2 more
  • Monthly Donation (Salad)$7.991 Month
  • Monthly Donation (Protein)$9.991 Month
One-time5
  • One-time Donation (Coffee)$1.99
  • One-time Donation (Sandwich)$4.99
  • One-time Donation (Pizza)$9.99
Show 2 more
  • One-time Donation (Groceries)$24.99
  • One-time Donation (Books)$49.99
5 purchases

Nomu

Subscriptions4
  • Nomu Pro Weekly7 Days trial$2.997 Days
  • Nomu Pro Monthly7 Days trial$9.991 Month
  • Nomu Pro Yearly$19.991 Year
Show 1 more
  • Nomu Pro Yearly7 Days trial$29.991 Year
One-time1
  • Nomu Pro Lifetime2 variants$49.99

Questions

Is FastingCat free?
FastingCat is free to download, with in-app purchases available.
Is Nomu free?
Nomu is free to download, with in-app purchases available.
Which has better reviews, FastingCat or Nomu?
FastingCat is rated higher. FastingCat averages 4.9 out of 5 from 56 ratings, while Nomu averages 4.8 from 97 ratings.
Do FastingCat or Nomu have ads?
Neither FastingCat nor Nomu shows ads.
Which is updated more often, FastingCat or Nomu?
FastingCat ships an update every 6 days, and Nomu every 5 days. Most recently, FastingCat was updated on November 5, 2026 and Nomu on November 9, 2026.

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