Comparison

Fasting Timer vs airosphere

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

Head to head
About

Fasting Timer

This app helps you track your fasting periods and understand your eating behaviors. It offers a simple interface to log meals and identify patterns related to hunger and cravings, providing insights to improve your fasting consistency. Basic features are free, with an optional one-time upgrade for full analysis.

Highlights
  • One-tap fasting start
  • Log meals by hunger or craving
  • Circular timer with fasting stage indicators
  • Fasting calendar with editable history
  • Home screen widgets
  • Automatic iCloud sync
  • Offline functionality
Read full description

Fasting apps that won't let you fast in peace β€” sound familiar? You download a fasting tracker. Before you can even start, it asks for your age, weight, goals… then locks the timer behind a paywall. Or you try a free app β€” but every tap triggers ads. PetitFast is different. One tap. No friction. Start fasting instantly. No account, no setup, no interruptions. But now, PetitFast goes further. Understand not just when you eat β€” but why. Track Your Eating Behavior PetitFast helps you see patterns behind your meals: - Are you eating because you're hungry? - Or just out of habit or cravings? Log meals with a single tap and choose: - Hungry - Craving Over time, discover your eating habits and identify patterns that affect your fasting. See Your Fasting Progress at a Glance A clean circular timer shows exactly where you are in your fast. - Digesting (0–4h) - Late Digestion (4–8h) - Fat Burning (8–12h) - Ketosis (12–16h) - Autophagy (16h+) No strict plans. 16:8, OMAD, or your own style. Analysis That Helps You Improve Go beyond simple tracking. - See your eating patterns - Compare hunger vs cravings - Track fasting consistency over time Basic insights are available for free. Unlock full analysis with a one-time upgrade. Widgets That Actually Work Start, reset, and check your fasting β€” right from your home screen. Fasting Calendar View your full history with color-coded fasting results. Edit any record anytime. Automatic iCloud Sync Your data stays with you. No account needed. Free to Use - No subscription - No ads - No account required - Works offline Pro Upgrade Unlock full analysis, detailed insights, and deeper understanding of your habits. PetitFast β€” the fasting timer that helps you understand your behavior. Start your fast. See your patterns.

About

airosphere

Features
Read full description

In a world that never stops, airosphere is your personal sanctuary. Whether you want to reduce stress, improve focus, or find calm, airosphere adapts to youβ€”not the other way around. Why airosphere? Most breathing apps give you a rhythm to follow. airosphere gives you the tools to create your own. Experience a unique blend of minimalist design, haptic feedback, and total customization. Key Features: - 100 Color Combinations: Personalise your exercise. Choose from 10 curated colors for top and bottom to create a gradient that matches your current vibe. - Fully Customisable: Create your own breathing exercise. Set inhale, hold, and exhale times to the millisecond to match your lung capacity and comfort. - Curated Patterns: Choose from proven methods like Box Breathing, 4-7-8, Physiological Sigh or the calming Coherent Breathing. - Haptic Guidance: Feel the beat. Our precise haptic feedback allows you to practice with your eyes closed, guided only by gentle vibrations. - Safety First: We care about your well-being. Built-in safety limits and guidance help you avoid hyperventilation and ensure a healthy experience. - Dark Mode Native: Beautifully designed for day and night. The perfect companion for your bedside table. Download airosphere today and start your journey to a calmer you.

Screenshots

Fasting Timer3 screens
airosphere4 screens

Verdict

The call

The clearest difference is price: Fasting Timer at Free against airosphere's $0.99. Fasting Timer also leads on update cadence (every 2 weeks vs monthly). airosphere's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Fasting Timer is free to download; airosphere costs $0.99 up front. Fasting Timer sells 1 one-off in-app purchase. airosphere asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting Timer ships an update every 2 weeks, airosphere monthly. The most recent releases landed on September 6, 2026 and September 5, 2026 respectively.

Scorecard3 real differences Β· 5 level
Fasting Timer versus airosphere: the parameters behind the verdict, then further details
ParameterFasting Timerairosphere
PriceFree β€” better$0.99
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 2 weeks β€” betterMonthly
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFree with in-app purchasesβ€”
DevicesiPhoneiPhone
Requires iOS18.017.0 β€” better
Further details β€” not scored
Size12 MB1 MB
Age rating4+4+
Developerkaisei watanabeSven Rothsching

In-app purchases

1 purchases

Fasting Timer

One-time1
  • Pro$3.99
None

airosphere

No in-app purchases

Questions

Is Fasting Timer free?
Fasting Timer is free to download, with in-app purchases available.
Is airosphere free?
airosphere costs $0.99, with no in-app purchases.
Do Fasting Timer or airosphere have ads?
Neither Fasting Timer nor airosphere shows ads.
Which is updated more often, Fasting Timer or airosphere?
Fasting Timer ships an update every 2 weeks, and airosphere monthly. Most recently, Fasting Timer was updated on September 6, 2026 and airosphere on September 5, 2026.

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