Comparison

Fastiya vs Phase

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fastiya

Track your body's metabolic changes hour by hour during fasting. An AI coach provides personalized insights based on your data, helping you build consistent habits and monitor key health metrics.

Highlights
  • Hour-by-hour body change tracking
  • AI fasting coach
  • Multiple fasting protocols
  • Advanced health metric tracking
  • Wearable device synchronization
  • Habit building tools
  • Daily journaling and insights
Features
Read full description

Track every hour of your fast and get AI coaching built on your real data — not generic tips. Try Fastiya Pro free for 7 days. YOUR BODY, HOUR BY HOUR Watch your body shift from fat-burning to ketosis to autophagy in real time. Milestone alerts tell you exactly what's happening at 8h, 12h, 16h, and beyond — backed by science, not guesswork. AN AI COACH THAT ACTUALLY KNOWS YOU Ask questions and get answers built on your real fasting history, sleep, recovery, and stress data — not one-size-fits-all advice. Wake up to a Morning Report summarizing your sleep, recovery, and readiness before you even open the app. MACROS & NUTRITION, SIMPLIFIED Log meals and see your day at a glance: calories plus protein, carbs, and fat. Get smart feedback on your goals, hydration, and diet — no spreadsheets required. SLEEP, FASTING & STRESS, CONNECTED Journal Insights surfaces the correlations that matter — how your sleep affects your fasting, how stress shows up in your recovery — so you know what's actually moving your progress. SYNC YOUR WEARABLES Connect Fitbit, Oura Ring, or WHOOP for deeper recovery and readiness data layered directly into your coaching. KNOW YOUR BIOLOGICAL AGE See how your habits are shaping your biological aging clock, not just the calendar. STAY ON TRACK Streaks, achievements, and smart notifications keep you motivated without the noise — context-aware nudges, not constant pings. ON YOUR WRIST A dedicated Apple Watch app keeps your fast, streak, and body state visible without reaching for your phone. Try Fastiya Pro free for 7 days — full access to AI coaching, wearable sync, bio age, and advanced analytics. Cancel anytime. Terms of Use (EULA): https://fastiya.co/terms-of-service/ Privacy Policy: https://fastiya.co/privacy-policy/

About

Phase

This app helps you track intermittent fasting and monitor your nutrition. It features an AI food scanner, calorie and macro tracking, and visual progress indicators for your fasting stages. Easily log meals, set custom fasting schedules, and view your body's estimated responses.

Highlights
  • Intermittent fasting timer
  • AI food scanner
  • Calorie and macro tracking
  • Estimated fasting stages
  • Custom fasting schedules
  • Weight and water intake tracking
  • Apple Health integration
Features
Read full description

Start fasting. See what's happening during your fast. Scan your meals. Phase is an intermittent fasting tracker, fasting timer, calorie tracker, and AI food scanner built to make fasting simple. Instead of showing only a countdown, Phase helps you follow your fasting journey through estimated body stages while keeping your calories, macros, weight, and nutrition in one place. TRACK YOUR FASTING STAGES • Follow estimated stages as your fast progresses • See stages including Sugar Drop, Fat Burn, Ketosis, and Autophagy • Understand where you are in your fasting window • Track your fasting progress with a simple visual timer FAST YOUR WAY • Choose 16:8, 18:6, 14:10, 20:4, OMAD, or a custom schedule • Start and stop your fast in one tap • Explore different intermittent fasting protocols • Use Home Screen widgets for quick access • Build consistency with streak and calendar tracking SCAN FOOD WITH AI • Take a photo of your meal and let AI analyze it • Scan packaged foods by barcode • Search foods when you want to log manually • Get calories and macro information • Add meals directly to your food diary TRACK CALORIES & MACROS • Monitor daily calories • Track protein, carbs, fat, and fiber • Organize food by breakfast, lunch, dinner, and snacks • See your remaining daily calorie target at a glance TRACK YOUR PROGRESS • Log your weight and follow your goal • Track daily water intake • Connect Apple Health to view your steps • Keep your fasting and nutrition progress together Phase combines an intermittent fasting tracker, calorie tracker, macro tracker, and AI food scanner in one simple app. No complicated routines. Just fasting, nutrition, and progress tracking in one place. Your body is already doing the work. Phase helps you follow the journey. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fastiya4 screens
Phase4 screens

Verdict

The call

The clearest difference is ads: Fastiya at none against Phase's shown. Fastiya also leads on device support (3 vs 1). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fastiya sells 2 in-app purchases, starting at $9.99 per month and Phase sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Fastiya against 5.0 for Phase. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Fastiya ships an update fortnightly, Phase every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Fastiya versus Phase: the parameters behind the verdict, then further details
ParameterFastiyaPhase
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyFortnightlyEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.017
Further details — not scored
Size60 MB24 MB
Age rating12+4+
DeveloperOromo OromiaIvan Hubar

Customer experience

Fastiya

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Phase

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Fastiya

Subscriptions2
  • Monthly Premium7 Days trial$9.991 Month
  • Annual Premium7 Days trial$79.991 Year
4 purchases

Phase

Subscriptions4
  • Unlimited (Monthly)$9.991 Month
  • Unlimited (Yearly) Sale$14.991 Year
  • Unlimited (3 Months)$24.993 Months
Show 1 more
  • Unlimited (Yearly)7 Days trial$34.991 Year

Questions

Is Fastiya free?
Fastiya is free to download, with in-app purchases available.
Is Phase free?
Phase is free to download, with in-app purchases available.
Which has better reviews, Fastiya or Phase?
Fastiya and Phase are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Fastiya or Phase have ads?
Phase shows ads; Fastiya does not.
Which is updated more often, Fastiya or Phase?
Fastiya ships an update fortnightly, and Phase every 10 days. Most recently, Fastiya was updated on October 24, 2026 and Phase on October 25, 2026.

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