Comparison

Fud AI vs Infastic

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

Head to head
About

Fud AI

Effortlessly track your food intake using AI-powered recognition. Simply snap a photo, scan a barcode, speak, or type your meal to instantly get calorie, macro, and nutrient information. Personalized goals and progress tracking are available, with an AI coach for insights.

Highlights
  • AI food recognition via photo, scan, voice, or text
  • Instant calorie, macro, and nutrient breakdown
  • Personalized goal setting and recalculation
  • AI Coach for trends, predictions, and advice
  • Multiple logging methods including Siri shortcuts
  • Detailed nutrient tracking
  • Progress charts and widgets
Features
Read full description

Effortless calorie tracking with AI-powered food recognition. Snap, scan, speak, or type a meal — get instant calories, macros, and nutrients. NEW in v8.0: Live Voice. Talk to Fud AI to log meals, scan barcodes and check your progress, from Home, Siri, the Action Button or Control Center (iOS 18 and later). Fud AI now runs on iPad, and the food camera measures portions with AR. Also: workout rest timer and routines, Weekly Recap, Steps, kcal or kJ, Short or Direct share links, Alibaba Qwen, and Turkish (19 languages). Nutrition includes custom goals plus caffeine, creatine, and other performance compounds. Optional fasting adds timers, editable history, goals, alerts, and Coach context. Apple Watch can log water; import Watch workouts from HealthKit when Health is enabled. Free, open source, privacy-first. BYOK stays free forever; optional Plus/Pro hosted AI is a convenience. No ads; optional tips support development. LOG MEALS Use Camera or Photos (up to 10 images and a note), Barcode, Voice, Text, Manual Entry, Saved Meals, Copy from Day, Siri, or the Log Food widget. Choose which food actions appear in Home +. AI ACCESS Bring Your Own Key supports Gemini, OpenAI, Claude, Grok, Groq, OpenRouter, Together AI, Hugging Face, Fireworks AI, DeepInfra, Mistral, Alibaba Qwen, Ollama, or any OpenAI-compatible endpoint. Keys stay in iOS Keychain. Optional Plus/Pro hosted AI is available without your own key. 6 SPEECH-TO-TEXT OPTIONS Native iOS, Gemini Audio, OpenAI Whisper, Groq, Deepgram, and AssemblyAI, with selectable language handling. REVIEW BEFORE LOGGING Unlock Nutrition to correct calories, macros, and detailed nutrients. What if? previews daily macro impact before saving. COACH Multi-turn chat can access your profile, targets, forecast, food log, workouts, and explicitly logged fasts when requested. It never assumes a missing meal means you fasted. WORKOUTS Plan by day and log sets, reps, weight, and RPE without a timer. Create custom exercises, autofill sets from lift history, and quick-log Walk/Run. The 877-exercise library includes filters, search, sorting, and details. EXPANDED NUTRIENTS Track macros plus fiber, sugar, fats, sodium, minerals, vitamins, folate, omega-3, and more when available. PERSONALIZED GOALS BMR and TDEE calculators, six activity levels, automatic or editable macros, nutrient goals, meal-time boundaries, and Adaptive Goals. WIDGETS Home Screen Fud AI widgets in Small, Medium, and Large; Protein and Water widgets; calorie/macro Lock Screen widgets; Log Food widget. Apple Watch shows calories, macros, and water when enabled. OPTIONAL WATER TRACKING Off by default. Set a daily goal, quick-log glasses or a custom amount, schedule a reminder, and use the Water widget. Water stays on-device and is not written to Apple Health. OPTIONAL FASTING TRACKING Off by default. Choose a 1–168 hour goal, start/end/cancel from Home +, keep the timer across restarts, optional local alerts, and edit completed sessions. Fasting stays on-device and is not written to Apple Health. PRIVACY No account, analytics, behavioral tracking, or ads. BYOK keys stay in Keychain. The optional 18+ Weekly Challenge sends a display name, at most one X or Instagram handle, and seven-day aggregate habit scores—never raw food, water, workout, Health, or weight records. Hosted AI (if used) sends only the request content through Fud’s proxy. MIT licensed. APPLE HEALTH Optional sync for nutrition, weight, height, body fat, and calculated workout calories. Daily steps can appear on Home. External samples can auto-import. Apple Watch workouts can import as read-only history. Energy Burn Goals can use active/total energy. Fasting is local-only. Fud AI is not medical advice — consult a healthcare professional before significant diet changes. Terms: https://fud-ai.app/terms.html Privacy: https://fud-ai.app/privacy.html Source: https://github.com/apoorvdarshan/fud-ai

About

Infastic

Features
Read full description

Infastic stands for Intermittent Fasting. It is built around one simple idea: make intermittent fasting simple, powerful, and accessible to everyone. No fluff. No complexity. Just fasting, made fantastic. 100% FREE. No paywalls. No subscriptions. No tricks. Other fasting apps charge you $100 or more per year just to unlock basic features. We don't charge at all — because we believe accessible healthy living is a human right. Everything you need to start fasting and losing weight, completely free, forever. Intermittent Fasting & Weight Loss The smarter way to fast. Personalized fasting plans, real-time body tracking, and recipes. Your transformation starts with one tap. STOP DIETING. START LIVING INFASTIC. Forget calorie counting. Forget restrictive meal plans that leave you miserable by Friday. Intermittent fasting is the science-backed method that works WITH your body's natural biology — not against it. Infastic makes it effortless. YOUR BODY ALREADY KNOWS HOW TO BURN FAT. You just need to get out of the way. When you fast, your body enters ketosis — its natural fat-burning state. Your metabolism accelerates. Your cells regenerate. Your energy skyrockets. All you have to do is not eat — and Infastic will guide you through every hour. EVERYTHING YOU NEED. NOTHING YOU DON'T. – Smart Fasting Timer — One tap to start. Track every stage of your fast in real time. – Body Status Monitor — See exactly when you enter ketosis, fat burn, and autophagy. – Water Tracker — Stay hydrated with smart reminders throughout the day. BUILT FOR YOUR LIFE, NOT THE OTHER WAY AROUND. Whether you're doing 16:8, 18:6, 20:4, or OMAD — Infastic adapts to your schedule. Works alongside keto, paleo, vegan, carnivore, or whatever you're already doing. No rules. No judgment. Just results. WHY INTERMITTENT FASTING WORKS. – Burns stubborn fat without starving – Boosts metabolism naturally – Sharpens mental clarity and focus – Promotes cellular regeneration and slows aging – Breaks the yo-yo diet cycle for good – No calorie counting required – Feel lighter, cleaner, and more energized — in days, not months THE INFASTIC COMMUNITY. You're not doing this alone. Join thousands of people who are already transforming their health with Infastic. Daily challenges to keep you sharp. Fasting buddies to keep you accountable. Weekly milestones to celebrate your wins. STOP THINKING ABOUT IT. START FASTING. You fast is free. Your transformation starts now. Get Infastic. Get results.

Screenshots

Fud AI4 screens
Infastic4 screens

Verdict

The call

The clearest difference is in-app purchases: Infastic at none against Fud AI's 12. Infastic also leads on update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement 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. Fud AI sells 12 in-app purchases, starting at $6.99 per 7 days. Infastic asks for nothing beyond the download.

UpkeepUpdate frequency

Fud AI ships an update weekly, Infastic every 2 days. Both last shipped on October 25, 2026.

Scorecard2 real differences · 8 level
Fud AI versus Infastic: the parameters behind the verdict, then further details
ParameterFud AIInfastic
PriceFreeFree
Rating4.8 (43 ratings) — better—
Positive reviews90.9% of reviews—
Number of ratings43 — better—
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size113 MB5 MB
Age rating4+4+
DeveloperApoorv Darshanclipo inc.

In-app purchases

12 purchases

Fud AI

Subscriptions6
  • Weekly$6.997 Days
  • Fud AI Plus$8.991 Month
  • Fud AI Pro$19.991 Month
Show 3 more
  • Fud AI Plus Yearly$69.991 Year
  • Fud AI Pro Yearly$179.991 Year
  • Yearly$199.991 Year
One-time6
  • Snack$0.99
  • 50 Hosted Credits$1.99
  • Protein Shake$2.99
Show 3 more
  • 150 Hosted Credits$4.99
  • Feast$9.99
  • 400 Hosted Credits$9.99
None

Infastic

No in-app purchases

Questions

Is Fud AI free?
Fud AI is free to download, with in-app purchases available.
Is Infastic free?
Infastic is free to download, with no in-app purchases.
Do Fud AI or Infastic have ads?
Neither Fud AI nor Infastic shows ads.
Which is updated more often, Fud AI or Infastic?
Fud AI ships an update weekly, and Infastic every 2 days. Most recently, Fud AI was updated on October 25, 2026 and Infastic on October 25, 2026.

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