Comparison

air vs Intermittent Fasting Tracker

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

Head to head
About

air

Monitor your indoor air quality with this companion app for a specific device. Analyze data, identify pollution sources, and take steps to improve your health and performance.

Highlights
  • Monitor air quality
  • Graphical data analysis
  • Identify pollution sources
  • Improve health and performance
  • Manage air-Q device
Features
Read full description

This app can only be used with an air-Q device. The app for managing your air-q device. Monitor your air quality with comprehensible data and graphical analysis tools. Find and eliminate sources that lower your air quality and therefore your health and performance.

About

Intermittent Fasting Tracker

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

Highlights
  • Interactive Widgets
  • Notifications
  • Streaks & Badges
  • Charts & Trends
  • Fasting Zones
  • iCloud Sync
  • Dark Mode
Features
Read full description

Track fasting periods with Fasty. No account or sign-up required. Start and stop a fasting timer, set a goal, and review your recorded fasts. Edit entries to correct start and end times and keep a record of your fasting history. Features - Fasting timer: see elapsed time and the time remaining until your chosen goal. - Widgets and Live Activities: check your timer from your Home Screen, Lock Screen, and Dynamic Island on supported devices. - Apple Watch: start and finish fasts, change your goal, and check your current fasting status from your wrist, included for free. - Fasting history: add, edit, and review your recorded fasts. - Charts and trends: explore fasting durations, totals, and averages over time. - Notifications: choose reminders and alerts for your timer and eating window. - Siri and Shortcuts: start and finish fasts and check your current fasting status. - CSV import and export: import existing records or export your data for use outside the app. - Dark Mode: use a light or dark appearance to suit your preference. - Streaks and badges: view summaries and milestones based on your recorded fasts. Additional paid features are available through one-time purchases and auto-renewable subscriptions. Available options, included features, and prices are shown in the app before purchase. Subscriptions renew automatically unless canceled. You can manage or cancel them in your App Store account settings. Health information Fasty is a utility for people who want to track their fasting. It does not recommend fasting or a specific fasting plan and does not provide medical advice. Consult a doctor, registered dietitian, or another qualified healthcare professional about whether and how to fast. Privacy Policy: https://fastyfasting.com/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

air4 screens
Intermittent Fasting Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: Intermittent Fasting Tracker at 97% against air's 45%. Intermittent Fasting Tracker also leads on rating (4.9 vs 4.0) and update cadence (every 2 weeks vs every 2 months). air's advantage is in-app purchases (none vs 10) and iOS requirement (15.6 vs 17.0). On price, ads and device support 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. Intermittent Fasting Tracker sells 8 in-app purchases, starting at $0.99 per month. air asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Intermittent Fasting Tracker holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Intermittent Fasting Tracker has 52K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 45% of air's written reviews are positive against 97% of Intermittent Fasting Tracker's.

UpkeepUpdate frequency

air ships an update every 2 months, Intermittent Fasting Tracker every 2 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

Scorecard7 real differences · 3 level
air versus Intermittent Fasting Tracker: the parameters behind the verdict, then further details
ParameterairIntermittent Fasting Tracker
PriceFreeFree
Rating4.0 (4 ratings)4.9 (52K ratings) — better
Positive reviews45.0% of reviews96.8% of reviews — better
Number of ratings452K — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.6 — better17.0
Further details — not scored
Size24 MB94 MB
Age rating4+12+
Developerair-QKai Oelfke

Customer experience

air

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews20 reviews
Positive45.0%
Neutral10.0%
Negative45.0%

Intermittent Fasting Tracker

All ratings52,113 ratings
Positive97.8%
Neutral1.5%
Negative0.7%
Written reviews3,000 reviews
Positive96.8%
Neutral1.6%
Negative1.6%

Bugs and requests

air

Not enough reviews yet to summarise bugs or requests.

Intermittent Fasting Tracker

Reported bugs

2 issues
  • Overlapping fasting/eating windows reported
  • Inconsistencies in fasting time calculations

Requested features

4 requests
  • Ability to schedule and set reminders for fasts
  • Option to manually log ketosis levels
  • Export or share fasting data
  • More detailed fasting stage information

In-app purchases

None

air

No in-app purchases

8 purchases

Intermittent Fasting Tracker

Subscriptions6
  • Fasty Monthly Donation$0.991 Month
  • Fasty Basic Monthly$0.991 Month
  • Fasty Basic Monthly$1.991 Month
Show 3 more
  • Fasty Basic Yearly$4.991 Year
  • Fasty Pro Monthly2 variants$6.991 Month
  • Fasty Pro Yearly2 variants$19.991 Year
One-time2
  • One Time Donation$4.99
  • Fasty Pro One Time$49.99

Questions

Is air free?
air is free to download, with no in-app purchases.
Is Intermittent Fasting Tracker free?
Intermittent Fasting Tracker is free to download, with in-app purchases available.
Which has better reviews, air or Intermittent Fasting Tracker?
Intermittent Fasting Tracker is rated higher. air averages 4.0 out of 5 from 4 ratings, while Intermittent Fasting Tracker averages 4.9 from 52K ratings.
Do air or Intermittent Fasting Tracker have ads?
Neither air nor Intermittent Fasting Tracker shows ads.
Which is updated more often, air or Intermittent Fasting Tracker?
air ships an update every 2 months, and Intermittent Fasting Tracker every 2 weeks. Most recently, air was updated on November 3, 2026 and Intermittent Fasting Tracker on November 9, 2026.

Other comparisons