VOID vs FastingKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
FastingKit
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Intermittent fasting has never been easier. Choose from plans like 12:12, 16:8, 18:6 and more, paired with weight logging, fasting reminders and Apple Watch to help you manage your health goals with ease. Start your fasting plan today! A simple, easy-to-use intermittent fasting tracker! Want to improve your health and reach your weight-loss goals through intermittent fasting? FastingKit is your best fasting companion, helping you manage every fast with ease. Key Features • Clean Design: A clutter-free interface keeps you focused on fasting itself. • Flexible Timer: Set your fasting window with one tap. Supports popular plans like 12:12, 16:8, 18:6, or customize a schedule that fits your rhythm. • Progress Tracking: Monitor your fasting progress with intuitive charts. Track fasting duration and weight changes to clearly see every step of change in your body. • Custom Reminders: Never miss a fasting window or eating time again! Set personalized reminders to keep your rhythm. • Fasting Log: Fully save your fasting history and look back on your growth. Every milestone is worth celebrating. • Health Knowledge: Learn about the benefits of intermittent fasting for weight loss, metabolism and overall health, and get valuable health information. • Live Activities: Supports the latest Live Activities feature — check your fasting status right from the Dynamic Island! • Widgets: Glance at your current fasting progress right from the Home Screen, and quickly start or end a fast. • Apple Watch: A beautiful watch app lets you start or end a fast and log fasting right from your wrist. Join the millions of people improving their health through intermittent fasting. Whether you're a beginner or a seasoned faster, FastingKit is the tool that helps you succeed. Benefits of Fasting Intermittent fasting has grown popular for its potential health benefits. Here are some of the main benefits: • Weight Loss: Intermittent fasting creates a calorie deficit, helping reduce calorie intake and promote weight loss. • Better Metabolism: Fasting can improve insulin sensitivity, help regulate blood sugar levels and boost metabolism. • Cellular Repair: During fasting, the body triggers autophagy, clearing out damaged components and promoting cellular renewal. • Heart Health: Intermittent fasting helps improve several cardiovascular risk markers, including lowering blood pressure, reducing triglycerides and improving cholesterol levels. • Brain Health: Studies suggest intermittent fasting may support brain health and cognitive function, and may even protect against neurodegenerative diseases like Alzheimer's. • Reduced Inflammation: Fasting can ease inflammatory responses in the body, and chronic inflammation is linked to arthritis, some cancers and various other conditions. Please note that intermittent fasting is not for everyone. If you have an underlying condition, are pregnant or taking medication, consult a healthcare professional before starting. A balanced diet and healthy lifestyle are what maximize the benefits of fasting. Privacy Policy: https://jusuoli.github.io/FastingKit-support/privacy-policy_en.html Terms of Use (EULA): https://jusuoli.github.io/FastingKit-support/terms_en.html
Screenshots
Verdict
The clearest difference is in-app purchases: VOID at none against FastingKit's 3. FastingKit's advantage is update cadence (every 2 days vs every 3 weeks) and device support (4 vs 2). On price, ads and iOS requirement 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
Both are free to download. FastingKit sells 3 in-app purchases, starting at $0.99 per month. VOID asks for nothing beyond the download.
VOID ships an update every 3 weeks, FastingKit every 2 days. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.
| Parameter | VOID | FastingKit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | 河南雀科信息科技有限公司 | 锁利 俱 |
In-app purchases
VOID
No in-app purchases
FastingKit
- FastingKit Pro(Monthly)$0.991 Month
- FastingKit Pro(Yearly)$7.991 Year
- FastingKit Pro(Lifetime)$19.99









