VOID vs Fastivo
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.
Fastivo
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You've tried intermittent fasting. Not because you gave up — you forgot to start the timer. Fastivo fixes the system, not the willpower. Set your fasting window once, get notified when it opens and closes, and watch your streak build. No calorie counting, no food restrictions. Just structure. 【What Changes When You Start Fasting】 • Weight drops naturally as your eating window shrinks • Mental clarity and metabolism improve during fasting • You build a lasting habit with streaks and progress stats • AI coaching after every fast tells you what's working (Premium) 【Built for Your Daily Life】 - 5 protocols: 16:8, 18:6, 20:4, OMAD (23:1), or custom - Background timer — works accurately even when your phone is locked - Monthly calendar view to see your fasting history at a glance - Weight and wellness logging - Smart notifications: 30-minute warning + completion alert People say things like: "I lost 12 lbs in 8 weeks just by changing when I eat. No diet." "I've tried every fasting app. This one actually keeps tracking when my phone is locked." "The streak was the only motivation I needed. 90 days and still going." "16:8? 18:6? OMAD? I have no idea where to start." — Start with 16:8: 16 hours fasting, 8-hour eating window. It's the most-used protocol because it fits into a normal day — stop eating at 8pm, skip breakfast, eat from noon. Once it feels natural, you can extend it or switch to custom. The only decision you need to make today is the first one. "I've failed at fasting before — I just don't have the willpower." — Fasting doesn't fail because of willpower. It fails because the timer doesn't work in the background, notifications miss, or one forgotten session collapses the streak. Fastivo fixes the mechanics so willpower doesn't have to carry everything. "I paid for a premium fasting app and still got flooded with ads." — Fastivo Premium is ad-free. No fine print, no residual ads after you've paid. "The first few days feel rough." — They usually do. Most users say hunger waves pass in 15 minutes, and by week two you stop noticing them. "When my eating window opens, I'm afraid I'll overeat." — It happens, especially at first. That's okay. The habit is what you're building, not perfection. Tap the timer. The rest follows. "Do I have to pay upfront?" — Nope. No sneaky free trials that auto-charge. Price is shown before you commit. Cancel anytime from Apple ID settings. 【Premium Plan】 - Monthly: $4.99/month - Annual: $34.99/year (save 42%) Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at confirmation of purchase. Privacy Policy: https://fastivo-prod.web.app/privacy.html Terms of Use: https://fastivo-prod.web.app/terms.html Start your first fast today — real results from real consistency. 【From the Wellness Series — Related Apps】 If you're fasting for your health, you might also need: - Body Break (movement reminders to pair with your fasting routine) - Lumi Log (build consistent skincare alongside your fasting routine) Search each app name on the App Store. You might also like - Day Ritual – Daily Habits: One Goal. AI Builds Your Day. - FridgeCook AI - Recipe Finder: 3-Second Recipe. No Thinking. - Body Break Timer – Move & Rest: Reminders You Won't Turn Off Search for these apps by name on the App Store.
Screenshots
Verdict
The clearest difference is in-app purchases: VOID at none against Fastivo's 3. VOID also leads on ads (none vs shown). Fastivo's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence and device support 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. Fastivo sells 3 in-app purchases, starting at $2.99 per month. VOID asks for nothing beyond the download.
VOID ships an update every 2 weeks, Fastivo weekly. The most recent releases landed on September 3, 2026 and September 19, 2026 respectively.
| Parameter | VOID | Fastivo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 107 MB |
| Age rating | 17+ | 4+ |
| Developer | 河南雀科信息科技有限公司 | Tomohito Kii |
In-app purchases
VOID
No in-app purchases
Fastivo
- Monthly - FastWise7 Days trial$2.991 Month
- Annual - FastWise7 Days trial$14.991 Year
- Lifetime$29.99









