App Comparisons
The Best Free Fasting and Calorie Tracking App in 2025
The full picture: FastNow vs the field.
FastNow
Android · WebFree
- Only app combining fasting + calories + walking in one free protocol
- Extended fasting + 90-day challenge — both free
- No iOS native app
- Voice input the only paid upgrade ($9/mo)
Zero
iOS · Android$69.99 / year
- Best-in-class intermittent fasting timer
- Protein-focused food logging
- No calorie tracking, no walking, no extended fasting
- Free tier has narrowed significantly over time
MyFitnessPal
iOS · Android · Web$79.99 / year
- 14M+ food database — the largest available
- Barcode scanning + wearable integrations
- No fasting tracker, no walking tracker
- Ads in free version; premium at nearly $80/year
Fastic
iOS · Android$12.99–$14.99 / month
- AI food scanner and nutrition chatbot
- Fastic Academy with courses
- Most features locked behind an expensive subscription
- Frequently cited for aggressive upselling
DoFasting
iOS · Android$65.99 / year
- 5,000+ recipes and workout routines
- Fitbit and health app integration
- No meaningful free tier — subscription gates everything
- Most comprehensive paid package in the category
Easy Fast
iOS · AndroidFree
- 100% free — no subscription, no upgrades
- Blood pressure, glucose, and electrolyte tracking
- No calorie tracking, no walking, no extended fasting
- Best genuinely free option for health-metric-focused users
Feature Comparison
| Feature | FastNow | Zero | MyFitnessPal | Fastic | DoFasting | Easy Fast |
|---|---|---|---|---|---|---|
| Intermittent fasting | Free | Free | Free (limited) | Paid only | Free | |
| Extended fasting | Free | Limited | ||||
| Calorie tracking | Free | Paid only | Free + paid | Limited (free) | Paid only | |
| Walking tracker | Free | Steps only | Paid only | |||
| Weight tracking | Free | Free | Free | Paid only | Free | |
| Macro tracking | Free | Paid only | Free + paid | Limited | Paid only | |
| Food photo logging | Paid only | Paid only | Paid only | |||
| AI voice logging | $9/mo optional | |||||
| 90-day challenge | Free | Partial (paid) | ||||
| Ads in free version | Unclear | |||||
| iOS app | ||||||
| Android app | ||||||
| Web app | ||||||
| Subscription price | $9/mo (optional) | $69.99/yr | $79.99/yr | ~$14.99/mo | $65.99/yr | Free |
Which one is right for you?
Choose FastNow if…
- You want fasting + calorie tracking + walking all in one free app
- A structured 90-day protocol with daily deficit targets fits your approach
- You're on Android or use a browser (no native iOS app)
- You refuse to pay $65–$80/year for features you don't need
Choose Zero if…
- You're an iPhone user focused on intermittent fasting primarily
- Protein tracking and longevity insights matter to you
- You're comfortable with a $69.99/year subscription
Choose MyFitnessPal if…
- You need the largest food database available with barcode scanning
- Micronutrient tracking or wearable sync is essential
- You follow a complex dietary protocol beyond fasting
Choose Easy Fast if…
- You want 100% free — truly no subscription at all
- Blood pressure, glucose, or electrolyte tracking is part of your fasting practice
- You use an iPhone
Feature and pricing data sourced from official app websites and app store descriptions. FastNow features verified from fastnow.app/en/app. Prices subject to change.