Report updated May 18, 2026
Calz: Calorie Counter AI
For individuals managing weight loss, muscle gain, or general nutrition who require automated logging tools.
Calz: Calorie Counter AI is an established health & fitness app that is free with in-app purchases. With a 4.6/5 rating from 133.5K reviews, it shows polarized user reception. Users particularly appreciate automatic calorie calculation from food photography provides significant time savings for daily tracking, though inaccurate food recognition and calorie estimation force users to manually correct data frequently remains a common concern.
What is Calz: Calorie Counter AI?
Calz is an AI-powered calorie and macro tracker for weight loss and muscle gain, available on iOS and Android.
Users hire Calz to automate the tedious manual logging of food intake via photo scanning, reducing the friction of maintaining a daily diet journal.
Current Momentum
v1.39 · 2d ago
Intense- Ships frequent stability and bug fixes.
- Maintains top-100 grossing in 20+ markets.
Active Nemesis
Lose It! – Calorie Counter
By FitNow
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Camera-based image recognition identifies meals and ingredients to calculate nutritional values
Logs daily intake of protein, carbs, and fats against personalized targets
Built-in timer with customizable protocols for tracking fasting windows
How much does it cost?
- Free tier with manual logging
- Premium tier at $5.99/week, $12.99/month, or $29.99/year
Freemium model anchored at $29.99/year, utilizing subscription gates for advanced analysis and reporting features.
Who Built It?
Wachanga
Supporting families through pregnancy and early parenthood with data-driven tracking tools. Helping users monitor health milestones and daily wellness routines.
Portfolio
13
Apps
What other apps does Wachanga make?
Pregnancy Tracker・App by Moms
Clover ఇ－Period Tracker, Cycle
Calz - Calorie Counter AI
Contraction Timer & Tracker
Baby Tracker・Breastfeeding Log
The DualShot Recorder Αρρ
Explore the full Wachanga report
Portfolio breakdown, audience, momentum, and every app published by Wachanga.
What do users think recently?
High confidence · 95 reviews analyzed · Based on 95 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 automatic calorie calculation from food photography provides significant time savings for daily tracking, but report inaccurate food recognition and calorie estimation force users to manually correct data frequently.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Calz: Calorie Counter AI?
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Which niche is Calz: Calorie Counter AI in?
to track nutrition and manage weight goals
Explore the full Calorie Counting Trackers niche
Every app in this space — 61 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Healthify is a direct nemesis due to its massive user base and aggressive focus on AI-driven nutrition coaching, which directly challenges Calz's core value proposition.
Contenders(4)
Macros competes by offering a technical, calculation-heavy approach to nutrition that appeals to data-driven users.
This app competes by focusing on the specific niche of protein-centric macro tracking, appealing to the same fitness-oriented audience as Calz.
Fastie targets the intersection of calorie tracking and intermittent fasting, overlapping with users who use Calz for structured diet planning.
This app competes for the same weight-loss-focused demographic by offering a similar feature set centered around AI scanning and barcode utility.
Same space(3)
Pawfit shares the 'Health & Fitness' category, competing for the same user attention and storage space on health-conscious devices.
Clue competes for the same daily health-tracking attention span, often serving as a primary health dashboard for female users.
While primarily a period tracker, it competes for the same 'Health & Fitness' category real estate and daily user engagement habits.
Compare Calz: Calorie Counter AI against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Calz: Calorie Counter AI
Strengths to defend, gaps to attack
Core Strengths
- AI-based photo logging reduces manual friction for casual users
- Gamified streaks and badges drive session frequency
Critical Frictions
- Premium tier at $29.99/year above category median
- Technical instability causes data loss during scanning
- AI misidentification forces frequent manual entry
Growth Levers
- Integrate with health platforms to improve data utility
- Allow manual calorie goal overrides for specific user needs
Market Threats
- Legacy incumbents with massive, verified databases
- Rising subscription fatigue among health-app users
What are the next best moves?
Pivot subscription onboarding to transparent trial terms because 1★ reviews flag billing as top complaint → reduce refund surge
Aggressive subscription prompts are the #1 driver of negative sentiment and refund requests.
Trade-off: Pause the price-test on the annual tier — refund surge has 4× the revenue impact.
Ship health-platform integration because lack of sync is a top-requested feature → increase retention
Users cite lack of data sharing as a barrier to getting a complete health picture.
Trade-off: Push the wearable companion app sprint to Q3 — wearable waitlist is smaller than integration requests.
A counter-intuitive read
The app's aggressive subscription friction is not a bug but a deliberate strategy to capture high-intent users before they realize the AI accuracy is insufficient for long-term tracking.
Feature Gaps vs Competitors
- Third-party health platform integration (available in MyFitnessPal but missing here)
- Verified food database (available in Lose It! but missing here)
Key Takeaways
Calz wins on AI-driven convenience but loses on billing transparency and technical reliability, so the PM must prioritize subscription clarity and data-syncing to prevent user churn to more established, ecosystem-integrated competitors.
Where Is It Heading?
Mixed Signals
The nutrition-tracking market is consolidating around apps that offer both AI convenience and deep ecosystem integration. Calz is currently exposed because its technical instability and billing friction prevent it from moving beyond a novelty tool into a daily-use necessity.
Technical instability during photo scanning causes data loss, which erodes the core habit-forming loop and drives negative sentiment.
The AI-based food scanner continues to attract new users, indicating that the value proposition remains highly relevant to the target audience.