Interval vs FastTrackr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval
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Interval is the simplest, most effective app to lose weight without a strict diet. Join millions using the Interval method to unlock the power of intermittent fasting. Whether you are a beginner looking for a 16:8 timer or a pro using OMAD, Interval is your personal health coach. WHY CHOOSE INTERVAL? Stop counting calories. Start timing them. Interval helps you burn fat naturally. • Smart Fasting Timer: One tap to start. We notify you when your fasting window opens and closes. • Sustainable Weight Loss: No yo-yo effect. Lose weight by optimizing when you eat, not just what you eat. • Body Status (Premium): Visualize your body's switch to ketosis and fat-burning mode. Requires subscription. PERSONALIZED PLANS FOR EVERY BODY Interval adapts to your lifestyle, not the other way around. • 16:8 Plan: The classic "Leangains" method. Perfect for beginners. • 18:6 & 20:4 (Premium): Advanced plans for accelerated fat loss and autophagy. • OMAD (One Meal A Day) (Premium): For experienced fasters looking for maximum results. • Custom Plans (Premium): Set your own fasting and eating windows. HEALTHY HABITS & INSIGHTS • Hydration Tracker: Log your water intake to stay hydrated during your fast. • Weight Tracker: Monitor your progress with beautiful charts and insights. • Keto Compatible: Interval works perfectly with Keto, Paleo, and Low-Carb diets. SUBSCRIPTION INFORMATION Interval offers a premium subscription that unlocks advanced fasting plans (18:6, 20:4, OMAD), custom schedules, and detailed body status attributes. • Title: Interval Premium • Length of subscription: Monthly or Yearly • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Terms of Use / EULA: https://www.interval.help/#terms Privacy Policy: https://www.interval.help/#privacy
FastTrackr
This app helps users track intermittent fasting with personalized plans and an AI assistant. It offers features for logging meals, water, and weight, along with insights into ketosis and autophagy zones. Users can also access recipes and meal planning tools.
- Intermittent fasting timer with ketosis zones
- AI assistant for personalized guidance
- Meal logging with AI calorie estimation
- Water and weight tracking
- Recipe library and meal planning
- Progress charts and streaks
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FastTrackr is an intermittent fasting app and fasting tracker for weight loss, with Avo — a friendly AI assistant who lives in the app. Start a 16:8 or OMAD fast in one tap, watch the fasting timer move through ketosis and autophagy zones, and log meals, water and weight in one place. No account required to begin — until you sign in, nothing you track leaves your device. MEET AVO, YOUR AI ASSISTANT - An animated companion who greets you, reacts to what you log and celebrates milestones - Log water, weight, activity or mood, or start and end a fast from Avo — offline, no account - Ask Avo about your fasting and wellness: 3 free AI answers a day with a free account, unlimited on Premium - He reads your own fasting, food, activity and weight first — guidance, not generic tips SMART FASTING TRACKER - Popular plans: 12:12, 14:10, 16:8, 18:6, 20:4, OMAD and 5:2 - Live fasting timer with zones from fat burning to ketosis and autophagy - Reminders so you never miss the start or end of a fast - Full history, streaks and progress charts AI INSIGHTS (PREMIUM) - Personalized Day, Week and Month analysis of your tracking - An AI-recommended fasting plan matched to your body, goals and experience AI MEAL LOG AND NUTRITION - Snap a photo or describe a meal; AI identifies it and estimates calories and macros - Backed by USDA data: calories, protein, carbs, fat and fiber at a glance MEAL PLANNING AND RECIPES - Over 530 recipes with photos and full nutrition: 5 free per category, all with Premium - Build daily meal plans, or generate recipes and plans with AI - Save favourites to your recipe library WATER, WEIGHT, ACTIVITY, AND MOOD - Personalized daily water goal from your body and activity - Weight tracking with trends, goals and progress rings - Workouts with BMR-aware calorie burn estimates - Capture your mood and reflect in a fasting journal PERSONALIZED HEALTH - Automatic BMI, BMR and TDEE from your profile - Goals that adapt as you progress - Guidance cites its sources — WHO, NIH, NHS, Harvard and more STAY MOTIVATED - Join time-boxed challenges built on your real data - Over 170 achievements to unlock - 43 in-app articles on the science and the how-to of fasting APPLE HEALTH (PREMIUM) - Import workouts, weight and active energy into one place PRIVATE BY DESIGN - Local-first: your data lives on your device and stays there until you sign in - Sign in and it backs up to your own private account, synced across devices - Full-size meal photos never sync; only a small thumbnail does - Export a complete copy of everything you've tracked, anytime - No ads. No data selling. Ever. FASTTRACKR PREMIUM Unlock AI insights, unlimited Ask Avo, AI meal logging, AI recipes and meal plans, the full recipe library, Apple Health import, Month and Year charts, and unlimited history. - Monthly: 9.99 USD - Annual: 59.99 USD - New yearly subscribers get a 14-day free trial. Cancel anytime. Payment will be charged to your Apple Account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple Account settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: https://sites.google.com/view/fasttrackr/privacy-policy Terms of Use (EULA): https://sites.google.com/view/fasttrackr/terms-of-use Support: fasttrackr.support@newversion.studio FastTrackr is intended for users aged 16 and over. Health disclaimer: FastTrackr provides general wellness and lifestyle information only and is not a substitute for professional medical advice, diagnosis or treatment. Consult a qualified healthcare provider before starting any fasting, diet or exercise program, especially if you are pregnant, nursing, under 18, or have a medical condition.
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Verdict
The clearest difference is in-app purchases: FastTrackr at none against Interval's 3. Interval's advantage is iOS requirement (14.0 vs 16.0). On price, ads 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. Interval sells 3 in-app purchases, starting at $0.99 per 7 days. FastTrackr asks for nothing beyond the download.
| Parameter | Interval | FastTrackr |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 47 MB | 84 MB |
| Age rating | 4+ | 17+ |
| Developer | SOCIALADFUNNEL | NEW VERSION LIMITED |
In-app purchases
Interval
- Interval Weekly$0.997 Days
- Interval Monthly$2.991 Month
- Interval Yearly$9.991 Year
FastTrackr
No in-app purchases









