Comparison

Intermittent Timer vs Sundial

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

Head to head
About

Intermittent Timer

This app helps you build healthy habits with a simple and flexible fasting timer. Track your progress, receive smart notifications, and visualize your fasting and eating windows with elegant design and home screen widgets. It focuses on consistency without unnecessary complexity.

Highlights
  • Flexible fasting timer
  • Smart notifications
  • Visual progress timeline
  • Home screen widgets
  • Progress & trends tracking
  • Fasting history
  • iCloud sync
Read full description

Fast with clarity. Intermittent Timer is a beautiful, flexible fasting timer designed to help you build consistent habits without unnecessary complexity. Whether you follow a 16:8 schedule, OMAD, or a custom routine, the timer adapts to your day. FEATURES • Flexible Fasting Timer Adjust your fasting duration, eating window, or start time whenever life changes. • Smart Reminders Receive helpful notifications when your current fasting or eating window ends. • Visual Progress See your fasting and eating windows on a clear circular timeline. • Home and Lock Screen Widgets Keep your active timer visible without opening the app. • Progress and Trends Track consistency, average fasting duration, completed goals, and long-term progress. • Fasting History Review completed fasts in a simple calendar and timeline. • Automatic iCloud Backup Keep a private backup of your fasting data and restore it on your Apple devices. OPTIONAL SUPPORTER SUBSCRIPTION If Intermittent Timer is useful to you, an optional monthly subscription adds supporter status and helps fund ongoing maintenance and future improvements. It does not unlock app functionality. PRIVACY FIRST No account required. No ads. No tracking. Your fasting data remains yours. Intermittent Timer focuses on what matters: a calm, attractive, distraction-free way to maintain your fasting routine. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://doc-hosting.flycricket.io/intermittent-timer-privacy-policy/9e90d8b9-e8e6-447f-9448-7fff18111f09/privacy

About

Sundial

Features
Read full description

Finally, a fasting timer you buy once and own for life. No subscription. No account. No quiz-funnel paywall. Just open it and start your fast. Sundial is a calm, local-first tracker for intermittent fasting and OMAD (one meal a day). One quiet ring; a sun crosses the dial as your fast deepens. Warm paper-and-ember design, automatic dark mode. No neon, no confetti, no streak-shaming. It works fully offline from the very first tap. WHY SUNDIAL IS DIFFERENT - Pay once, $19.99. No $60-80/year renewals for a glorified timer. - No forced sign-up, no quiz funnel, no data siphoning. Cloud backup is optional, never required. - Fasting zones and stages are explained for free - learn what each stage is called, hour by hour. Most apps lock this away. - Custom durations up to 72 hours - log any fast you choose, with no upsell. - Retroactive editing: forgot to hit start or stop? Fix it, or log a past fast. - Your eating window anchors to when you actually broke the fast - not a rigid schedule. FREE FOREVER - Timer for every protocol: 16:8, 18:6, 20:4, OMAD, 36h, and custom. - Fasting zones and stage labels on the dial. - History, calendar, streaks, and weekly stats. - Weight, water, and mood logging. - Gentle notifications for start, end, and milestones. - Export everything to CSV or JSON in two taps. Your data is yours. LIFETIME UNLOCK ($19.99, ONCE) - Cloud backup and cross-device sync. - Insights: deeper trends over time. - The full Field Notes library of calm, readable articles - including a plain explainer of what autophagy is. Everything you need to fast is already free. Lifetime is for going further, on your terms. BUILT TO RESPECT YOU Local-first and private by design. No ads, no data mining, no guilt loops, no upsell screens between you and your timer. A quieter way to keep time. Sundial tracks time. It is not medical advice. Talk to a healthcare professional before changing how you eat or starting extended fasts, especially if you are under 18, pregnant, managing diabetes, or have a history of disordered eating.

Screenshots

Intermittent Timer4 screens
Sundial4 screens

Verdict

The call

The clearest difference is device support: Intermittent Timer at 3 against Sundial's 1. On price, ads, in-app purchases and iOS requirement 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 Timer sells 1 in-app purchase, starting at $0.99 per month and Sundial sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 8 level
Intermittent Timer versus Sundial: the parameters behind the verdict, then further details
ParameterIntermittent TimerSundial
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size49 MB65 MB
Age rating17+4+
DeveloperMichael BrightVitalii Iudin

In-app purchases

1 purchases

Intermittent Timer

Subscriptions1
  • Intermittent Timer Premium$0.991 Month
1 purchases

Sundial

One-time1
  • Sundial Lifetime$19.99

Questions

Is Intermittent Timer free?
Intermittent Timer is free to download, with in-app purchases available.
Is Sundial free?
Sundial is free to download, with in-app purchases available.
Do Intermittent Timer or Sundial have ads?
Neither Intermittent Timer nor Sundial shows ads.

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