Comparison

Marble vs Ayuno

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

Head to head
About

Marble

This app helps you track intermittent fasting with personalized schedules and timers. It offers home screen widgets for easy monitoring and prioritizes user privacy by syncing data via iCloud without collection.

Highlights
  • Personalized fasting schedules
  • Next fast timer
  • Home screen widgets
  • iCloud data sync
  • No data collection
  • Ad-free experience
Features
Read full description

Marble is a straightforward intermittent fasting tracker. It lacks promotions or unnecessary content. All data syncs through your personal iCloud account without any data collection. Personalized Fasting Schedules Marble is adaptable to any fasting schedule. Select a fasting and rest interval that fits your routine and goals. Next Fast Timer Building a habit is important. Marble will show a timer until the next fast to ensure a habit can get built. Widgets Keep up with your fast from your Home Screen by adding one of our widgets. It will show both fasting time and rest timers. Your Data We prioritize privacy. We don't collect any data for you to use our app; simply download and enjoy. Your fasts will be synced via your iCloud. Terms of Service: https://www.solidfoundation.app/tou/marble EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.solidfoundation.app/privacy-policy/marble

About

Ayuno

This app helps users build consistent intermittent fasting habits with a simple timer, health guidance, and progress tracking. It offers premium features like journaling, detailed insights, and personalized coaching.

Highlights
  • Simple fasting timer
  • Health-conscious guidance
  • Journaling (Premium)
  • Progress logging (Premium)
  • Meaningful insights (Premium)
  • Apple Health integration
  • Live Activities & Widgets (Premium)
Features
Read full description

Ayuno is a beautifully simple fasting companion designed to help you build healthy fasting habits with intention, consistency, and insight. Whether you're just getting started with intermittent fasting or you're an experienced faster, Ayuno provides the tools you need to stay focused on your goals. Features Simple fasting timer - Start popular fasting plans with a tap - Track your progress with a live countdown - See where you are in your fasting journey with easy-to-understand fasting phases Health-conscious guidance - Educational fasting tips and wellness guidance throughout your fast - Built-in safety screening before extended fasts - Gentle reminders to break your fast and prioritize your well-being Journal your journey (Premium) - Record your mood throughout the day - Add personal notes and reflections - Track multiple journal entries each day Log your progress (Premium) - Record weight, water intake, and daily steps - Sync with Apple Health for weight and step data - Export your fasting history as a PDF Discover meaningful insights (Premium) - View your fasting streaks and calendar history - Earn achievement badges as you build consistency - Monitor weight trends over time - Receive weekly recaps and optional weekly goals - Personalized coaching based on your own fasting history Stay connected - Live Activities for your Lock Screen and Dynamic Island (Premium) - Home Screen widget with your current fast - Helpful local notifications for fast completion, milestones, and reminders Apple Health Integration Ayuno integrates with Apple Health to: - Read your weight and daily step count (with your permission) - Save logged weights to Apple Health - Record completed fasts as Mindful Minutes Health access is always optional, and you remain in control of your data. Premium Features Unlock even more with Ayuno Premium: - Extended and custom multi-day fasts - Journal - Log - Insights - Personalized coaching - Automatic daily fasting schedules - Live Activities - Accent color customization Designed for Wellness Ayuno is designed to support healthy wellness habits—not crash dieting. It does not include calorie counting, BMI tracking, or weight-loss targets. All educational content is intended for informational purposes only and is not medical advice. If you have a medical condition or concerns about fasting, please consult your healthcare provider before beginning. SUBSCRIPTION DETAILS Ayuno Premium is available as an auto-renewing subscription: - Monthly — $3.99/month - Annual — $39.99/year (includes a 7-day free trial) Payment is charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless it is cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your Apple ID account settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use: https://ayuno.regentmediagroup.com/terms/ Privacy Policy: https://ayuno.regentmediagroup.com/privacy/

Screenshots

Marble4 screens
Ayuno4 screens

Verdict

The call

The clearest difference is update cadence: Ayuno at every 4 days against Marble's fortnightly. Marble's advantage is iOS requirement (17.2 vs 26.0). On price, rating, ratings volume 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. Marble sells 3 in-app purchases, starting at $1.99 per month and Ayuno sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Marble against 5.0 for Ayuno. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Marble ships an update fortnightly, Ayuno every 4 days. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 7 level
Marble versus Ayuno: the parameters behind the verdict, then further details
ParameterMarbleAyuno
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone
Requires iOS17.2 — better26.0
Further details — not scored
Size280 MB4 MB
Age rating17+12+
DeveloperMaksim VakarchukBrandon Duncan

Customer experience

Marble

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Ayuno

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Marble

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Annual Subscription$14.991 Year
One-time1
  • Lifetime$24.99
2 purchases

Ayuno

Subscriptions2
  • Premium Monthly$3.991 Month
  • Premium Annual7 Days trial$39.991 Year

Questions

Is Marble free?
Marble is free to download, with in-app purchases available.
Is Ayuno free?
Ayuno is free to download, with in-app purchases available.
Which has better reviews, Marble or Ayuno?
Marble and Ayuno are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Marble or Ayuno have ads?
Neither Marble nor Ayuno shows ads.
Which is updated more often, Marble or Ayuno?
Marble ships an update fortnightly, and Ayuno every 4 days. Most recently, Marble was updated on October 10, 2026 and Ayuno on October 21, 2026.

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