Comparison

VOID vs Fasting Timer

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

Head to head
About

VOID

This AI-powered coach visualizes your fasting progress, from blood sugar depletion to fat burning. Log meals instantly with photo recognition or voice commands, and receive personalized nutrition and exercise advice. Gamified motivation and smart hydration tracking help build healthy habits.

Highlights
  • AI-powered nutrition coaching
  • Visualized fasting progress
  • AI meal logging via photo/voice
  • Deep Apple Watch integration
  • Personalized nutrition advice
  • Gamified motivation and rewards
  • Smart hydration tracking
Features
Read full description

VOID isn't just another fasting app — it's your AI-powered nutrition coach. [Science-Based Fasting, Visualized] Track your fasting progress in real time — from blood sugar depletion to fat burning and cellular autophagy. Every metabolic stage is clearly displayed with dynamic breathing glow animations that let you feel your body's rhythm. [AI Photo Recognition — Log Meals in 3 Seconds] Snap a photo and AI instantly identifies food types, estimates calories, protein, carbs, and fat. Don't want to take a photo? Just say "a bowl of rice and a fried egg" — AI understands instantly. [Deep Apple Watch Integration] Everything on your wrist — fasting countdown, today's calorie rings, voice meal logging, and one-tap water tracking. 4 watch face complications keep your fasting status visible at a glance. [6 Stunning Home Screen Widgets] From cyber-punk to fresh nature, from macaron-cute to Apple Vision spatial style — there's always one to brighten your home screen. [AI Personal Coach] Based on your fasting history, diet records, and weight trends, your AI coach delivers personalized nutrition advice and exercise guidance daily — not templates, but plans truly made for you. [Gamified Motivation] Build streaks, earn "Cell Coins," and unlock achievement badges. Discipline doesn't have to be boring — every day of consistency is celebrated. [Smart Hydration Tracking] Set daily goals, log water with one tap, and watch your progress ring fill up. Staying hydrated becomes a habit. [Privacy First] All data stays on your device. We never upload, analyze, or sell your health data. Your body data belongs to you, and only you.

About

Fasting Timer

This app tracks intermittent fasting, visualizing your body's biological phases and progress. It offers customizable timers, water tracking, a journal, and gamified elements to motivate users. Monitor body measurements and weight to see your transformation.

Highlights
  • Biological phase tracking
  • Customizable fasting timers
  • Home screen widgets
  • Body measurements and weight tracking
  • Water tracking with reminders
  • Fasting journal
  • Gamified progress with XP and badges
Features
Read full description

Nova Fast is the intermittent fasting tracker that shows you what's really happening inside your body — from fat burning to autophagy and cellular renewal. WHY NOVA FAST? Nova Fast combines a powerful fasting timer with real-time biological phase tracking, beautiful widgets, body measurements, water tracking, a fasting journal, and a gamification system that makes fasting fun and rewarding. BIOLOGICAL PHASE TRACKING See your body's real-time fasting stages. Watch as you transition through 7 phases — from burning glucose to entering ketosis, activating autophagy, and triggering deep cellular repair. Understand the science behind every hour of your fast. SMART FASTING TIMER Start any protocol with one tap. Choose from popular intermittent fasting plans including 16:8, 18:6, 20:4, OMAD (23:1), 14:10, and 12:12 — or create your own custom fasting schedule. HOME SCREEN WIDGETS Keep your fasting progress visible with beautiful widgets. See your timer, current biological phase, and streak right from your home screen or lock screen. BODY MEASUREMENTS & WEIGHT TRACKING Track more than just weight. Log body measurements, see your progress over time, and watch your transformation unfold with detailed charts and trends. WATER TRACKING Stay hydrated during your fasts with built-in water tracking and customizable reminders. Proper hydration is essential for maximizing your fasting results. FASTING JOURNAL Document your fasting journey. Log how you feel, what you ate, your energy levels, and any notes. Look back on your progress and find the patterns that work best for you. GAMIFICATION — EARN XP, LEVEL UP, COLLECT BADGES Fasting should be fun. Earn experience points for every fast, level up your profile through 30 ranks, unlock 29 achievement badges, and build streaks that keep you motivated. Turn healthy habits into a rewarding daily challenge. PERFECT FOR BEGINNERS AND EXPERIENCED FASTERS Whether you're just starting with intermittent fasting or you're an experienced faster looking for a better tracker — Nova Fast has everything you need to succeed. Start your fasting journey today. --- LEGAL: Privacy Policy: http://www.jakubl.com/privacy.html Terms of Use (EULA): http://www.jakubl.com/terms.html SUPPORT: support@jakubl.com X: @jakublaszczyk

Screenshots

VOID4 screens
Fasting Timer4 screens

Verdict

The call

The clearest difference is rating: VOID at 5.0 against Fasting Timer's 4.5. VOID also leads on update cadence (every 2 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

VOID holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

VOID ships an update every 2 weeks, Fasting Timer every 4 months. The most recent releases landed on September 3, 2026 and September 7, 2026 respectively.

Scorecard2 real differences · 8 level
VOID versus Fasting Timer: the parameters behind the verdict, then further details
ParameterVOIDFasting Timer
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 2 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size50 MB10 MB
Age rating17+4+
Developer河南雀科信息科技有限公司Jakub Laszczyk

Customer experience

VOID

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Fasting Timer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VOID

No in-app purchases

None

Fasting Timer

No in-app purchases

Questions

Is VOID free?
VOID is free to download, with no in-app purchases.
Is Fasting Timer free?
Fasting Timer is free to download, with no in-app purchases.
Which has better reviews, VOID or Fasting Timer?
VOID is rated higher. VOID averages 5.0 out of 5 from 1 ratings, while Fasting Timer averages 4.5 from 2 ratings.
Do VOID or Fasting Timer have ads?
Neither VOID nor Fasting Timer shows ads.
Which is updated more often, VOID or Fasting Timer?
VOID ships an update every 2 weeks, and Fasting Timer every 4 months. Most recently, VOID was updated on September 3, 2026 and Fasting Timer on September 7, 2026.

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