The Fast Metabolism Diet is a meal-planning companion app for the 28-day Fast Metabolism Diet program on iOS.
The App DNA
What makes this app unique?
It removes the cognitive friction of verifying food eligibility across three distinct diet phases, which is the primary barrier for users following the book's methodology.
For Individuals following the Fast Metabolism Diet who require a digital tool to manage meal planning and ingredient compliance.
What does it look like?
Key features
Categorized ingredient lists mapped to the three-phase diet plan, allowing users to verify food eligibility by phase.
Meal planning tool that allows users to tailor meals and schedules to personal restrictions and lifestyle.
Dashboard view displaying upcoming meals and scheduled activities for the current day.
How much does it cost?
The app functions as a free companion tool to the physical book series, prioritizing brand authority and user retention over direct monetization.
Velocity
Dormant developmentopaqueShow more...
The Fast Metabolism Diet has reached a zombie state, with no updates or feature releases in 1,667 days. The development cycle has been entirely inactive for several years, indicating the product is no longer receiving active maintenance or support. There is no evidence of ongoing development, live operations, or technical updates.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews frustrated. Users appreciate the structured meal planning and grocery list generation provide significant utility for users following the diet and long-term users report successful weight loss and improved energy levels when adhering strictly to the program.
How are ratings & reviews evolving?
What users say, by theme
- The structured meal planning and grocery list generation provide significant utility for users following the diet
- Long-term users report successful weight loss and improved energy levels when adhering strictly to the program
- Rigid time-tracking constraints prevent users with non-traditional schedules from accurately logging their daily meal intake
49 of 49 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for The Fast Metabolism Diet
How's the Health & Fitness market?
The Fast Metabolism Diet holds a 3.35-star rating across 188 total ratings, reflecting a mixed user reception. The lack of updates since 2022 signals that the app is no longer actively competing for market share in the crowded health and fitness category.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for The Fast Metabolism Diet
Where is it heading?
The health and fitness market is consolidating around apps that offer flexible, automated tracking and cross-platform integration. The Fast Metabolism Diet remains exposed due to its rigid, dated logic and lack of active development, which will continue to drive users toward more responsive competitors.
- The 45-month update gap signals a maintenance-only state, which prevents the app from addressing evolving user needs in the health-tracking market.
- Persistent navigation bugs and time-tracking rigidity erode the daily active habit, which compounds the rating drag already visible on the platform.
The SWOT
- Phase-specific food lists create high switching costs for book-methodology users
- Integration with health-tracking platforms would automate weight and nutrition data syncing
Next best moves
Audit UI navigation bugs because they are the top-cited technical frustration → improve session retention
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of updates is its primary retention risk, as the rigid…
Read the full takeBottom line
The Fast Metabolism Diet relies on the brand authority of its book methodology to retain users, but technical instability and rigid scheduling logic are eroding its utility. Addressing these core usability frictions is required to prevent further churn to modern, more flexible health-tracking alternatives.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
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