ProtX is a health-tracking app for iOS that uses AI to estimate protein and calorie content from food photos.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Health & Fitness
Sentiment
4.1
60 reviews
Nemesis
Suavita: Fasting Tracker App
The App DNA
What makes this app unique?
Users hire ProtX to simplify the friction of nutritional logging, aiming to hit fitness goals without the manual effort of traditional food diaries.
For Fitness enthusiasts, bodybuilders, and health-conscious individuals tracking macronutrients for muscle gain or fat loss.
What does it look like?
Key features
Computer vision model analyzes food photos to estimate protein and calorie content
Algorithm calculates daily protein targets based on user weight and fitness goals
Syncs nutrition data with Apple Health and Fitness platforms
How much does it cost?
The app currently operates on a free model with no visible IAP or subscription gates.
Velocity
Maintenance developmentUX improvementsopaqueShow more...
The app has released 2 updates over the last 3 months, resulting in a cadence of approximately 0.15 releases per week. This velocity falls into the maintenance tier, as the most recent updates lack significant feature additions or live-ops content. Development appears focused on minor improvements and stability rather than active feature expansion. The latest release on 2026-03-24 provided no descriptive release notes, further indicating a maintenance-focused development cycle.
Who built it?
Prometheus Interactive
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What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Protein Tracker & Calculator
How's the Health & Fitness market?
ProtX maintains a 4.11-star rating on iOS with 60 ratings, positioning itself as a niche utility in the Health & Fitness category. The lack of a clear monetization model relative to category leaders signals a focus on user acquisition over revenue generation.
Read the market outlookThe rivals identified
By BerthX
Suavita competes for the same health-conscious user base by offering structured tracking tools that overlap with ProtX's goal-oriented fitness tracking.
- Offers biological state estimation, providing deeper physiological insights than ProtX's simple manual logging interface.
- Boasts a significantly larger user base and review volume, establishing stronger social proof and trust.
- Focuses on fasting-specific timers and long-term protocols, creating a distinct niche within the health category.
DASH Diet Plan - Food TrackerContender
Life Fasting TrackerContender
Roman: budget weight lossContender
Fiber Tracker | Plant PowerContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Protein Tracker & Calculator
Where is it heading?
The health-tracking market is consolidating around apps that provide holistic meal planning and advanced analytics. ProtX is currently exposed due to its limited feature set and lack of revenue, so the PM must pivot to a sustainable monetization model to avoid being outpaced by AI-native competitors.
- The lack of a monetization model limits the development budget, which prevents the app from keeping pace with competitors' feature updates.
- AI-powered protein identification remains a high-utility differentiator that addresses the primary friction point of manual food logging for users.
The SWOT
- AI-powered food scanning reduces manual entry friction
- Apple Health integration ensures data portability
- Implement premium tier for advanced analytics
- Introduce social challenges to drive retention
- Partner with fitness influencers for B2B distribution
Next best moves
Implement a freemium subscription tier because the current free-only model lacks revenue to fund feature parity → increase lifetime value
+ 1 more prioritized moveThe counter-intuitive read
The lack of monetization is not a weakness…
Read the full takeFeature gaps
Advanced analytics and progress visualization (available in Life Fasting Tracker) +2
Since the last report: ProtX pivoted from a free-only acquisition strategy to a focus on monetization and data retention to address sustainability risks.
Bottom line
ProtX offers a useful AI-driven logging tool, but the lack of a monetization strategy and cloud-save functionality creates a high churn risk, so the PM should prioritize a freemium transition to fund essential retention features.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated