Report updated May 25, 2026
Fastient
For individuals practicing intermittent or extended fasting who require data logging, progress visualization, and historical tracking.
Fastient is a well-regarded health & fitness app that is free with in-app purchases. With a 4.6/5 rating from 300 reviews, it maintains solid user satisfaction.
What is Fastient?
Fastient is a fasting-tracking app for iOS that enables users to log fasting windows, symptoms, and weight progress via manual entry.
Users hire Fastient to maintain a historical record of fasting habits and correlate physiological symptoms with feeding windows, serving the need for quantified self-improvement.
Current Momentum
v1.0 · 86mo ago
Zombie- No feature updates since 2019.
- Maintains 4.63 rating baseline.
Active Nemesis
Fragmented niche
No dominant direct rival identified yet — see Other Rivals below.
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?
Completion bar displays fasting status and weight loss graphs on the home screen
Allows users to upload previous fasting history via .csv files
Notes and emoji-based symptom logging for fasting sessions
How much does it cost?
- Free version with core tracking
- Premium tier with lifetime or yearly subscription options
Freemium model gates visual customization and progress documentation behind lifetime or yearly subscription payments.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Ross Ball make?
What do users think recently?
Medium confidence · Latest 100 of 300 total reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment.
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 Fastient?
Where is it available?
Localized markets (1)
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Which niche is Fastient in?
to track fasting progress and wellness metrics
Explore the full Intermittent Fasting Trackers niche
Every app in this space — 3 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Same space(4)
While focused on pet health, Pawfit competes for the same 'quantified self' user base that values activity monitoring and health-related data logging.
Differentiators
- Integrates live GPS location tracking for pets, a hardware-dependent feature Fastient currently lacks entirely.
- Provides Wear OS support, capturing users who prefer wrist-based health monitoring over mobile-only interfaces.
This app targets the same health-conscious demographic by focusing on symptom tracking and data correlation, overlapping with Fastient's journaling features.
Differentiators
- Utilizes 3D pain mapping to provide visual health insights that go beyond simple text-based journaling.
- Correlates user health data with external environmental factors like weather and air quality for deeper analysis.
Quittr competes for the same habit-tracking audience, utilizing progress monitoring and reminders to drive behavioral change similar to fasting streaks.
Differentiators
- Offers highly specific habit-breaking tools like cigarette craving trackers that Fastient does not currently support.
- Focuses on custom home screen widgets to keep users engaged with their progress outside the app.
Balanced competes for users interested in behavioral health and lifestyle modification, though it focuses on team-based challenges rather than individual fasting.
Differentiators
- Implements social-driven team challenges to drive retention, whereas Fastient remains a solitary, individual-focused experience.
- Positions itself around scientific behavior change strategies rather than simple progress tracking and symptom logging.
New entrants(2)
This newcomer targets the rapidly growing market of users managing weight-loss medication, directly competing with Fastient's weight and symptom tracking utility.
Differentiators
- Leverages Apple Intelligence to provide automated health insights that Fastient’s manual logging system cannot match.
Symtraq enters the space as a direct alternative for users who prioritize symptom and mood logging over specific fasting-timer functionality.
Differentiators
- Prioritizes a dedicated medication tracker alongside symptom logging, creating a more comprehensive health management suite.
Compare Fastient 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 Fastient
Strengths to defend, gaps to attack
Core Strengths
- CSV-import capability functions as a switching-cost barrier for power users
- High rating baseline (4.63) indicates strong core-feature stability
Critical Frictions
- No feature updates since 2019
- Manual logging requirement creates high friction
Growth Levers
- Integration with Apple Health or Google Fit would automate data entry
- Wearable integration would capture wrist-based health monitoring users
Market Threats
- AI-native trackers automate insights, rendering manual journaling obsolete
- Lack of update cadence allows competitors to capture the innovation narrative
What are the next best moves?
Integrate Apple Health/Google Fit because manual logging is the top friction point → increase long-term retention
Manual logging is a known friction point compared to modern automated health trackers.
Trade-off: Deprioritize the planned UI refresh — automation has a higher impact on retention.
Ship wearable support because competitors like Pawfit capture wrist-based users → expand addressable market
Competitors are moving to wrist-based monitoring, leaving mobile-only apps exposed.
Trade-off: Pause the lifetime subscription discount test — wearable expansion is a higher growth lever.
A counter-intuitive read
The lack of updates is not just neglect but a signal that the core manual-logging loop is feature-complete, meaning the risk is not 'stagnation' but 'over-complication' by adding unnecessary AI features.
Feature Gaps vs Competitors
- Automated health-data ingestion (available in Easy GLP 1 Tracker but missing here)
- Wearable OS support (available in Pawfit but missing here)
- Automated health insights (available in Easy GLP 1 Tracker but missing here)
Key Takeaways
Fastient holds its category lead through sticky historical logging but bleeds users to automated competitors, so revenue growth hinges on automating data ingestion to reduce user friction.
Where Is It Heading?
Mixed Signals
The fasting-tracker market is consolidating around automated health-kit integrations, and Fastient's manual-only approach is increasingly out of step with user expectations for frictionless data. The app remains stable for now, but the lack of feature velocity will accelerate churn as users migrate to trackers that offer automated insights and wearable support.
The lack of updates since 2019 suggests the app is in maintenance mode, which leaves it vulnerable to competitors with active development cadences.
The 4.63 rating indicates that the core manual-logging experience remains highly valued by the existing user base, providing a stable revenue foundation.