Fast.io vs Mealchat
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fast.io
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Fast.io is a beautifully simple intermittent fasting timer designed to help you stay consistent and focused on your fasting goals. Track your fast in real time, monitor hydration, and stay motivated with clear insights, widgets, and Live Activities. Perfect for popular fasting schedules like **16:8, 18:6, or OMAD**. #### TRACK YOUR FAST β’ Start fasting sessions with presets like 16:8, 18:6, or create custom fasting intervals β’ See elapsed time, remaining time, and fasting phases\ β’ Follow your fasting progress in real time #### TRACK YOUR WEIGHT β’ Sync weight with Apple Health β’ Monitor weight changes during fasting β’ Understand how fasting affects your body #### STAY CONSISTENT β’ Local reminders for fasting milestones β’ Daily hydration tracking β’ Motivation through achievements and streaks #### SEE YOUR PROGRESS β’ History with notes and mood tracking β’ Weekly, monthly, and yearly statistics β’ Understand and improve your fasting habits #### BUILT FOR APPLE DEVICES β’ Live Activities and Dynamic Island β’ Home Screen and Lock Screen widgets β’ Apple Watch companion app #### PRO FEATURES β’ Oneβtime purchase (no subscription) β’ Advanced customization β’ Extended fasting history Fast.io is designed to make intermittent fasting simple, beautiful, and effective.
Mealchat
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Other trackers hand you a number and walk away. Mealchat reads your week and tells you the one thing to change. "Your meals were on point all week β but your sugary drinks quietly added up to a whole extra day of calories. Want a few easy swaps?" That's your AI nutritionist. It learns your food patterns and does the thinking for you. β A NUTRITIONIST, NOT A SPREADSHEET β Most calorie apps make YOU do the thinking. Mealchat inverts it:* - Spots the patterns in your eating that you don't notice - Tells you what's working and what to change β based on YOUR meals, not generic tips - Answers in the moment: "I'm at a Thai restaurant, what fits my day?" - Sends weekly reports on what went well and what to adjust - The more you log, the smarter it gets β LOGGING IS THE EASY PART β 1) Set your goals and get a personalized nutrition plan 2) Log by text, voice, or photo* 3) Get your full breakdown instantly β every macro, 20+ micronutrients* Be as specific or as vague as you want. "300g chicken breast" or "a big plate of pasta" β Mealchat figures it out. No food databases. No serving size math. β BUILT FOR REAL FOOD β "Made a stir fry with chicken, broccoli, bell peppers, soy sauce, and rice" No weighing every ingredient. No building recipes from scratch. Just describe what you made, the way you'd tell a friend.* *ALL TRACKING AND AI NUTRITIONIST FEATURES SHOWN IN SCREENSHOTS REQUIRE A SUBSCRIPTION (FREE TRIAL AVAILABLE). THE INITIAL CALORIE NEEDS CALCULATION IS AVAILABLE FOR FREE. NOTE: Mealchat does not provide medical advice. All recommendations are suggestions only. Consult a healthcare professional before making changes to your diet. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY: https://mealchat.ai/privacy
Screenshots
Verdict
The clearest difference is ads: Fast.io at none against Mealchat's shown. Mealchat's advantage is update cadence (every 9 days vs monthly) and iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Fast.io sells 1 one-off in-app purchase and Mealchat sells 5 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Fast.io ships an update monthly, Mealchat every 9 days. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.
| Parameter | Fast.io | Mealchat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 9 days β better |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch β better | iPhone |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 23 MB | 83 MB |
| Age rating | 4+ | 17+ |
| Developer | Stefan Sturm | Purpose Labs |
In-app purchases
Fast.io
- Fast.io Pro$6.99
Mealchat
- Pro Weekly$3.997 Days
- Pro Monthly$9.991 Month
- Pro Annual - Special Offer3 Days trial$39.991 Year
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- Pro Annual - Special Offer$44.991 Year
- Pro Annual3 Days trial$69.991 Year









