Zero vs Fastic: which intermittent fasting apps should you pick?
Our independent head-to-head from the 2026 edition of Best Intermittent Fasting Apps.
Zero
The reference fasting app – clean, research-backed, no nonsense.
8.7/ 10
Fastic
Gamified fasting with a strong community.
7.6/ 10
Head-to-head
| Zero | Fastic | |
|---|---|---|
| Our score | 8.7/10 | 7.6/10 |
| Pricing | Free; Plus $69.99/yr | Free; Premium $59.99/yr |
| Best for | Most people starting IF | People who want a community |
| Platforms | iOS, Android | iOS, Android |
Pros & cons
Zero pros
- Clean, focused UI
- Research-anchored content from credible advisors
- Good HealthKit integration
Zero cons
- Plus tier is needed for personalized plans
- Some content gates feel arbitrary
Fastic pros
- Gamification keeps streaks going
- Big community
Fastic cons
- Content is shallow
- Lots of upselling
Our verdict
Winner: Zero. The cleanest, most evidence-respecting fasting app. Free tier alone covers 90% of users.
In short
- Zero – The cleanest, most evidence-respecting fasting app. Free tier alone covers 90% of users.
- Fastic – Good for streak-motivated people. Not a coach.
See the full best intermittent fasting apps ranking for every app in this category, or browse all head-to-heads.