Comparison

Null Fasting vs ChatMCP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Null Fasting

This app helps you track intermittent fasting with flexible protocols, detailed statistics, and motivational tools. It integrates with health platforms and offers personalized goal setting for a healthier lifestyle.

Highlights
  • Flexible fasting protocols (16:8, OMAD, custom)
  • Intelligent tracking with timers and notifications
  • Comprehensive statistics and progress analysis
  • Apple Health integration
  • Milestone tracking and educational content
  • Personalized motivation and goal setting
  • Smart scheduling and reminders
Features
Read full description

Transform your health journey with Null, the intelligent fasting companion that makes intermittent fasting simple, insightful, and rewarding. Null is a comprehensive intermittent fasting tracker designed to support your fasting goals with powerful tracking features, detailed statistics, and motivational tools. Whether you're new to fasting or a seasoned practitioner, Null provides everything you need to establish and maintain a successful fasting routine. Key Features: FLEXIBLE FASTING PROTOCOLS Track popular fasting methods including 16:8, 18:6, 20:4, OMAD, and more Create custom fasting durations tailored to your specific needs Choose between countdown or count-up timers based on your preference Schedule recurring fasts to automate your fasting routine INTELLIGENT TRACKING Monitor your active fast with precise timers and progress indicators Receive notifications for fasting milestones and achievements Pause and resume functionality for real-world flexibility Smart time zone handling ensures accurate tracking while traveling COMPREHENSIVE STATISTICS View detailed insights about your fasting history and patterns Track completion rates, average durations, and consistency scores Analyze weekly, monthly, quarterly, or yearly fasting data Compare performance between time periods to measure progress HEALTH INTEGRATION Sync your fasting data with Apple Health (optional) Track weight changes and correlate them with your fasting habits Monitor water intake during fasting periods Connect fasting metrics with other health data for a holistic view MILESTONE TRACKING Learn about physical benefits as you reach fasting milestones Track autophagy, ketosis, and other fasting-related biological processes See your progress visualized through informative timeline indicators Understand the science behind intermittent fasting as you progress PERSONALIZED MOTIVATION Earn awards and achievements as you build consistency Track and celebrate fasting streaks with visual celebrations Set and achieve custom goals tailored to your health journey Choose your preferred motivational style from friendly to humorously snarky SMART SCHEDULING Create recurring fasting schedules that fit your lifestyle Receive reminders when it's time to start your next fast Add exception dates for special occasions without breaking your routine Get notified when your scheduled fasts are coming up BEAUTIFUL INTERFACE Clean, intuitive design that makes tracking your fasts effortless Multiple theme options to personalize your experience Dark mode support for comfortable nighttime use Straightforward data visualization that clearly shows your progress GOAL-BASED APPROACH Set personalized fasting goals based on total fasts, hours, or consistency Track progress toward your goals with visual indicators Celebrate when you reach important milestones Create new challenges as you master your fasting practice Null goes beyond basic fasting timers by providing educational content about the physiological changes happening during your fast. Learn about fat burning, ketosis, autophagy, and cellular regeneration as you reach key milestones in your fasting journey. Your privacy matters to us. All data is stored locally on your device, with optional, secure Apple Health integration. No account creation required. Whether you're fasting for weight management, metabolic health, longevity, or spiritual practice, Null provides the tools you need to succeed. Start your fasting journey today with the support of an app that understands the science and challenges of intermittent fasting. Download Null now and transform your relationship with food, time, and health! Note: This app is designed as a tool to support intermittent fasting practices. Please consult with your healthcare provider before starting any fasting regimen, especially if you have existing health conditions or concerns.

About

ChatMCP

This app allows AI models to interact with native iOS functionalities and external data sources. It provides a standardized protocol for seamless integration, enabling AI to access system services like calendars and photos, and can be extended with custom tools.

Highlights
  • Local tool integration with iOS frameworks
  • Remote tool connectivity
  • Secure and standardized AI interactions
  • Customizable tool extensions
  • Access to calendar and photos
Features
Read full description

ChatMCP bridges the gap between large language models (LLMs) and native iOS functionalities by implementing the Model Context Protocol (MCP). This protocol standardizes the way AI models interact with external tools and data sources, enabling seamless integration and enhanced capabilities. Key Features: • Local Tool Integration: Provides hardcoded tools that mirror iOS frameworks like EventKit and PhotoKit, allowing LLMs to access calendar events, photos, and more. • Remote Tool Connectivity: Connect to external MCP servers to extend functionality beyond local resources. • Secure and Standardized: Utilizes MCP’s open standard to ensure secure and consistent interactions between AI models and system services. • Customizable Extensions: Developers can add or modify tools to tailor the app’s capabilities to specific needs. By leveraging MCP, ChatMCP transforms your iPhone into a powerful interface for AI models, enabling them to perform tasks that require direct interaction with system-level services. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Null Fasting4 screens
ChatMCP4 screens

Verdict

The call

The clearest difference is review sentiment: Null Fasting at 100% against ChatMCP's 59%. Null Fasting also leads on in-app purchases (none vs 3) and rating (4.5 vs 4.3). ChatMCP's advantage is ratings volume (64 vs 2) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChatMCP sells 3 in-app purchases, starting at $19.99 per month. Null Fasting asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Null Fasting holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: ChatMCP has 64 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Null Fasting's written reviews are positive against 59% of ChatMCP's.

UpkeepUpdate frequency

Null Fasting ships an update weekly, ChatMCP every 6 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

Scorecard7 real differences · 3 level
Null Fasting versus ChatMCP: the parameters behind the verdict, then further details
ParameterNull FastingChatMCP
PriceFreeFree
Rating4.5 (2 ratings) — better4.3 (64 ratings)
Positive reviews100.0% of reviews — better58.8% of reviews
Number of ratings264 — better
Update frequencyWeeklyEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size21 MB61 MB
Age rating4+17+
DeveloperYMMVKitsune Apps, LLC

Customer experience

Null Fasting

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ChatMCP

All ratings64 ratings
Positive79.7%
Neutral7.8%
Negative12.5%
Written reviews34 reviews
Positive58.8%
Neutral8.8%
Negative32.4%

In-app purchases

None

Null Fasting

No in-app purchases

3 purchases

ChatMCP

Subscriptions2
  • Premium (Monthly)$19.991 Month
  • Premium (Yearly)$199.001 Year
One-time1
  • Pro Access Mode$12.99

Questions

Is Null Fasting free?
Null Fasting is free to download, with no in-app purchases.
Is ChatMCP free?
ChatMCP is free to download, with in-app purchases available.
Which has better reviews, Null Fasting or ChatMCP?
Null Fasting is rated higher. Null Fasting averages 4.5 out of 5 from 2 ratings, while ChatMCP averages 4.3 from 64 ratings.
Do Null Fasting or ChatMCP have ads?
Neither Null Fasting nor ChatMCP shows ads.
Which is updated more often, Null Fasting or ChatMCP?
Null Fasting ships an update weekly, and ChatMCP every 6 days. Most recently, Null Fasting was updated on September 29, 2026 and ChatMCP on October 12, 2026.

Other comparisons