Chronos Interval vs Phase
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chronos Interval
Design custom workout protocols like HIIT, Tabata, or circuits with voice coaching. Sync seamlessly with Garmin devices for automatic data backup. Track your progress and replay past sessions to build consistency.
- Voice-guided workouts
- Garmin Connect sync
- Built-in workout protocols
- Custom interval design
- Progress tracking
- Cross-device sync
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Chronos is the interval timer built for serious athletes. Design any workout protocol in seconds — HIIT, Tabata, EMOM, AMRAP, circuit training, or custom intervals — then let voice coaching guide you through every round without touching your phone. VOICE-GUIDED WORKOUTS Hear interval names, time cues, and round counts spoken aloud so you can stay focused on your reps, not your screen. GARMIN SYNC Start a Chronos protocol from your Garmin watch and get full workout data synced back automatically. No phone required mid-session. BUILT-IN PROTOCOLS Jump straight in with expert-designed Tabata, AMRAP, and strength circuits — or use the voice input to describe your workout in plain English and get a ready-to-run protocol instantly. TRACK YOUR PROGRESS Every session is saved. Review your history, replay favorite workouts, and watch your consistency build over time. WORKS EVERYWHERE Your protocols and history sync across all your devices so your training goes wherever you do. Built by athletes, for athletes. Download Chronos and train smarter.
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.
- Intermittent fasting timer
- AI food scanner
- Calorie and macro tracking
- Estimated fasting stages
- Custom fasting schedules
- Weight and water intake tracking
- Apple Health integration
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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
Verdict
The clearest difference is rating: Phase at 5.0 against Chronos Interval's 3.0. Chronos Interval's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume 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. Phase sells 4 in-app purchases, starting at $9.99 per month. Chronos Interval asks for nothing beyond the download.
Phase holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | Chronos Interval | Phase |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | — | Every 10 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17 |
| Further details — not scored | ||
| Size | 46 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Bo Li | Ivan Hubar |
In-app purchases
Chronos Interval
No in-app purchases
Phase
- Unlimited (Monthly)$9.991 Month
- Unlimited (Yearly) Sale$14.991 Year
- Unlimited (3 Months)$24.993 Months
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- Unlimited (Yearly)7 Days trial$34.991 Year









