Comparison

PerfectFast vs Nomu

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

Head to head
About

PerfectFast

This app helps you track intermittent and extended fasting periods with a clean, focused interface. It supports various fasting schedules, custom durations, and provides detailed history and statistics to monitor your progress.

Highlights
  • Intermittent and extended fast tracking
  • Custom fasting schedules
  • Fasting history and statistics
  • Reminders and notifications
  • Apple Watch companion app
  • Live Activity support
Features
Read full description

PerfectFast helps you track intermittent and extended fasts with a calm, focused experience. Set up a fasting plan, follow your active fast, review your history, and see progress statistics without clutter. The app supports common fasting schedules, custom durations, reminders, fasting stages, history views, statistics, appearance settings, local data export, and Live Activity support on compatible devices. Log water, weight, blood glucose, and ketones beside your fasts, and read them on the fast's own clock in the Fast Timeline, with resting heart rate, heart rate variability, body composition, and sleep from Apple Health if you connect it. The Apple Watch companion lets you check your current or scheduled fast from your wrist, start or end a fast when your iPhone is nearby, and keep progress on your watch face with complications. Your fasting data stays on your device unless you choose to export or share it.

About

Nomu

This app simplifies intermittent fasting with a user-friendly timer and progress tracking. It offers various fasting plans, motivational elements, and insights into your health journey. Syncs with Apple Health and is available on Apple Watch.

Highlights
  • Customizable fasting plans
  • Real-time progress tracking
  • Motivational companion character
  • Weight and body measurement logging
  • Water and supplement tracking
  • Apple Watch integration
  • Apple Health sync
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

PerfectFast4 screens
Nomu4 screens

Verdict

The call

The clearest difference is in-app purchases: PerfectFast at none against Nomu's 6. PerfectFast also leads on review sentiment (100% vs 86%) and rating (5.0 vs 4.8). Nomu's advantage is ratings volume (97 vs 9) and device support (4 vs 2). On price, update cadence and ads 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. Nomu sells 5 in-app purchases, starting at $2.99 per 7 days. PerfectFast asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PerfectFast holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Nomu has 97 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 100% of PerfectFast's written reviews are positive against 86% of Nomu's.

UpkeepUpdate frequency

PerfectFast ships an update every 9 days, Nomu every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
PerfectFast versus Nomu: the parameters behind the verdict, then further details
ParameterPerfectFastNomu
PriceFreeFree
Rating5.0 (9 ratings) — better4.8 (97 ratings)
Positive reviews100.0% of reviews — better85.7% of reviews
Number of ratings997 — better
Update frequencyEvery 9 daysEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.615.0 — better
Further details — not scored
Size32 MB84 MB
Age rating12+4+
DeveloperIdan LupinskyTappect LLC

Customer experience

PerfectFast

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 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

None

PerfectFast

No in-app purchases

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 PerfectFast free?
PerfectFast is free to download, with no in-app purchases.
Is Nomu free?
Nomu is free to download, with in-app purchases available.
Which has better reviews, PerfectFast or Nomu?
PerfectFast is rated higher. PerfectFast averages 5.0 out of 5 from 9 ratings, while Nomu averages 4.8 from 97 ratings.
Do PerfectFast or Nomu have ads?
Neither PerfectFast nor Nomu shows ads.
Which is updated more often, PerfectFast or Nomu?
PerfectFast ships an update every 9 days, and Nomu every 5 days. Most recently, PerfectFast was updated on October 28, 2026 and Nomu on October 31, 2026.

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