Report updated May 20, 2026
Fastie: Calorie & Food Tracker
For individuals focused on weight loss, metabolic health, and intermittent fasting who require structured meal planning and calorie tracking.
Fastie: Calorie & Food Tracker is an established health & fitness app that is free with in-app purchases. With a 4.5/5 rating from 5.6K reviews, it shows polarized user reception. Users particularly appreciate food scanning functionality provides significant utility for tracking daily nutritional intake and progress, though inaccurate ai food recognition and lack of manual editing tools frustrate users seeking precision remains a common concern.
What is Fastie: Calorie & Food Tracker?
Fastie is a health and fitness app for intermittent fasting and calorie tracking on iOS and Android.
Users hire Fastie to manage weight loss and metabolic health through structured fasting schedules, though the current AI-only logging limits the utility for users requiring high-precision data entry.
Current Momentum
v1.1 · 6mo ago
Maintenance- Added Fasting Plans feature.
- Ships regular stability updates.
Active Nemesis
Lose It! – Calorie Counter
By FitNow
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Rapid food logging via camera.
Customizable fasting schedules.
Protein, carb, and fat logging.
Curated diet-specific meal suggestions.
How much does it cost?
- Free tier
- Premium tier
Freemium model utilizing feature-gating for advanced nutritional planning to drive subscription conversion.
Who Built It?
DEEP FLOW SOFTWARE SERVICES
Deploying specialized generative AI tools to streamline productivity, language acquisition, and device utility for a global mobile audience.
Portfolio
13
Apps
Who is DEEP FLOW SOFTWARE SERVICES?
Deep Flow Software Services operates as a high-velocity AI product studio, specializing in the rapid verticalization of generative AI across education, productivity, and utility sectors. Their structural advantage lies in a multi-model architecture and a 'multi-agent' library that differentiates their flagship chat tools from generic LLM wrappers. The publisher's trajectory shows a strategic shift from general utilities toward specialized AI tutors and cognitive training tools, signaling a move to capture higher-intent educational subscriptions.
Who is DEEP FLOW SOFTWARE SERVICES for?
- Students
- Language learners
- General consumers seeking AI-assisted efficiency
- Automated device maintenance
Portfolio momentum
Extremely high development cadence with 69 updates across 25 active apps in the last 6 months, including a major release within the last week.
What other apps does DEEP FLOW SOFTWARE SERVICES make?
Text to Speech - Listen AI
Wonder - AI Art Generator
Chat AI: Ask Agent Anything
Bible Path: Prayers & Widgets
Retake AI Face & Selfie Editor
Nerd AI - Math Problem Solver
What do users think recently?
High confidence · Latest 75 of 81 total reviews analyzed · Based on 81 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate food scanning functionality provides significant utility for tracking daily nutritional intake and progress, but report inaccurate ai food recognition and lack of manual editing tools frustrate users seeking precision.
What Users Love
What Frustrates Users
What Users Want
What is the competitive landscape for Fastie: Calorie & Food Tracker?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
Fastie holds a #32 Grossing rank in the US Health & Fitness category, signaling strong monetization despite a mixed sentiment score of 45. The gap between its high grossing rank and the user frustration regarding AI accuracy suggests that current revenue is driven by initial conversion rather than long-term retention.
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇮🇳 India | Health & Fitness | AndroidGrossing | #64 | ▼1 |
| 🇱🇰 Sri Lanka | Health & Fitness | AndroidFree | #145 | ▲2 |
The rivals identified
The Nemesis
Head to Head
The target app must pivot toward a specialized 'fasting-first' workflow to avoid direct feature-parity competition with this established database giant.
What sets Fastie: Calorie & Food Tracker apart
Focused intermittent fasting feature set provides a more streamlined experience for specific fasting-first users
Leaner interface design avoids the feature bloat often found in long-standing legacy applications
What's Lose It! – Calorie Counter's Edge
Extensive community-driven food database provides superior search accuracy for global dietary habits
Sophisticated gamification and social challenges drive higher long-term retention than standard logging tools
Contenders
Psychology-based curriculum shifts focus from simple calorie counting to sustainable behavioral habit formation
Human coaching integration provides a premium support layer that standard trackers lack entirely
Specialized macro-tracking logic prioritizes net carb calculation over standard caloric intake metrics
Curated keto-specific recipe database provides immediate value to users with restrictive dietary requirements
Calorie Counter - MyNetDiary
★4.8 (146.6K)MyNetDiary Inc.
⚡MyNetDiary offers a highly polished, clinical approach to nutrition logging that appeals to data-driven users.
Clinical-grade nutrition analysis provides deeper insights into micronutrient intake than standard calorie trackers
High-velocity release cadence ensures rapid adaptation to new dietary trends and user feedback
Peers
Visual-first meal planning interface simplifies the transition from tracking to active dietary management
AI-driven recipe suggestions personalize the user experience based on individual health goals
Fitbod: Gym & Fitness Planner
★4.8 (267.9K)Fitbod Inc.
⚡While focused on exercise, Fitbod serves the same health-conscious audience looking for structured fitness guidance.
Dynamic workout generation adapts to available equipment and previous performance data automatically
Strength-training focus provides a complementary utility to the target app's nutrition-centric approach
New Kids on the Block
Social-first architecture allows users to share routines and compete in real-time leaderboards
High-frequency update cycle allows for rapid iteration on community-requested social features
AI Calorie Counter - Appediet
★4.7 (59.2K)Appediet Information PTE. LTD
⚡A recent entrant leveraging AI to lower the barrier to entry for food logging.
AI-powered image recognition eliminates manual search friction for common food items
Aggressive release schedule indicates a focus on rapid feature deployment to capture market share
The outtake for Fastie: Calorie & Food Tracker
Strengths to defend, gaps to attack
Core Strengths
- Fasting-first habit loop drives daily active usage
- Barcode scanner reduces friction for new users
Critical Frictions
- Lack of manual data correction creates precision churn
- Aggressive subscription prompts drive negative sentiment
Growth Levers
- Manual override implementation to capture precision-focused users
- B2B partnerships with metabolic health clinics
Market Threats
- Lose It! database accuracy drains high-intent users
- AI-first entrants lowering manual search friction
What are the next best moves?
Ship manual override for AI food logs because users cite inaccuracy as a top churn driver → improve retention
Top complaint theme identifies AI misidentification as the primary barrier to precision logging.
Trade-off: Pause the meal-planning recipe expansion to prioritize core logging utility.
Audit subscription paywall triggers because users report feeling misled by trial terms → reduce refund surge
Sentiment analysis highlights aggressive prompts as a top negative experience for new users.
Trade-off: Same-quarter capacity available — no major lever displaced.
A counter-intuitive read
The app's aggressive monetization is not a bug but a necessary hedge against the high cost of maintaining an AI-based food recognition engine that lacks a community-verified database.
Feature Gaps vs Competitors
- Verified community food database (available in Lose It!)
- Manual nutrition data editing (available in MyNetDiary)
Key Takeaways
Fastie succeeds as a fasting-first tracker, but the lack of manual data editing creates a hard ceiling for serious users, so the PM must prioritize logging precision to prevent churn to database-heavy competitors.
Where Is It Heading?
Mixed Signals
The health tracking market is shifting toward high-precision data entry, leaving apps that rely solely on AI recognition vulnerable to churn. Fastie must bridge the gap between its current AI-first approach and the user demand for manual control to maintain its #32 grossing position.
Persistent AI inaccuracy in the latest release prevents manual correction, which forces power users to abandon the app for more reliable competitors.
The addition of customizable fasting plans in the latest release provides a clear retention hook that differentiates the app from generic calorie counters.