Zero Fast vs FastBite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zero Fast
Track your intermittent fasting journey with an AI-powered coach. Get personalized plans, real-time metabolic insights, and science-backed education to support your weight management and metabolic health goals. Log hydration, weight, and mood to optimize your fasting experience.
- AI Fasting Coach
- Personalized weekly fasting plans
- Multiple fasting profiles
- Real-time metabolic tracking
- Hydration logging
- Weight and progress dashboard
- Apple Health integration
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Your fast, explained as it happens. Zero Fast times your fast, shows you the moment your body switches to fat-burning and ketosis, and lets you race friends in group challenges. No calorie counting. No strict diets.
FastBite
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FastBite is an intermittent fasting timer with no calorie counting and no meal logging. Pick a plan, tap start, and tap again when you eat. CHOOSE A PLAN • 16:8 and 18:6 are free • 20:4 and custom fasts from 12 to 23 hours come with Premium WATCH YOUR FAST • A live timer shows how long you've been fasting and how close you are to your target • A stage label changes with the hours you've fasted, from Early Fast to Fat Burning, Ketosis and Autophagy. Stages are general time-based estimates, not measurements • The timer keeps running even if you close the app END AND REVIEW Tap to end your fast and it's saved to your history with its length, target and whether you reached it. PREMIUM Unlock 20:4 and custom fasting windows with a monthly, yearly or lifetime option. Prices and terms are shown in the app before you buy. FastBite is a timer, not medical advice. Talk to your doctor before fasting if you have a health condition, are pregnant or take medication. Available in 33 languages. Terms of Use: https://www.blazeapps.co/fastbite/terms Privacy Policy: https://www.blazeapps.co/fastbite/privacy
Screenshots
Verdict
The clearest difference is update cadence: Zero Fast at every 2 weeks against FastBite's every 7 months. FastBite's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, 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
Both are free to download. Zero Fast sells 2 in-app purchases, starting at $6.99 per month and FastBite sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Zero Fast ships an update every 2 weeks, FastBite every 7 months. Both last shipped on October 3, 2026.
| Parameter | Zero Fast | FastBite |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 35 MB | 45 MB |
| Age rating | 12+ | 4+ |
| Developer | APPE LATTE LIMITED | Sitki Bayrak |
In-app purchases
Zero Fast
- Zero Fast Monthly$6.991 Month
- Zero Fast Annually$49.991 Year
FastBite
- FastBite Premium Monthly$2.991 Month
- FastBite Premium Yearly$19.991 Year
- Fast Bite Lifetime$39.99
