Marble vs Ayuno
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Personalized fasting schedules
- Next fast timer
- Home screen widgets
- iCloud data sync
- No data collection
- Ad-free experience
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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
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.
- Simple fasting timer
- Health-conscious guidance
- Journaling (Premium)
- Progress logging (Premium)
- Meaningful insights (Premium)
- Apple Health integration
- Live Activities & Widgets (Premium)
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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
Verdict
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
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.
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.
Marble ships an update fortnightly, Ayuno every 4 days. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.
| Parameter | Marble | Ayuno |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 17.2 — better | 26.0 |
| Further details — not scored | ||
| Size | 280 MB | 4 MB |
| Age rating | 17+ | 12+ |
| Developer | Maksim Vakarchuk | Brandon Duncan |
Customer experience
Marble
Ayuno
In-app purchases
Marble
- Monthly Subscription$1.991 Month
- Annual Subscription$14.991 Year
- Lifetime$24.99
Ayuno
- Premium Monthly$3.991 Month
- Premium Annual7 Days trial$39.991 Year








