SOL vs Intermittent Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOL
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SOL (솔) — Korean for Pine Tree. Like the pine that endures through every season, SOL stands with you through every fast. WHAT MAKES SOL DIFFERENT Most fasting apps just show a timer. SOL shows you what's actually happening inside your body — in real time. As you fast, SOL guides you through each biological phase: Fed State → Insulin Dropping → Fat Burning → Ketosis → Autophagy → Deep Autophagy → Growth Hormone Surge → Immune Reset FEATURES • Beautiful minimal timer with progress ring • Real-time body phase updates with scientific sources • Full body timeline — see all 8 phases and your progress • Tap any phase for in-depth science and PubMed sources • Smart notifications at each milestone • Stats dashboard — track your fasting journey • Background timer — keeps running when you close the app • Light & dark mode with handcrafted watercolor textures • Home screen widget • Community pulse — you're not fasting alone • Share your results with a beautiful card FASTING GOALS Choose from 16h, 18h, 20h, 24h, 36h, 48h, 72h, or go Open with no time limit. Hit your goal? Extend to the next level. DESIGNED WITH INTENTION SOL is inspired by the simplicity of nature. No clutter, no ads, no unnecessary features. Just you, your fast, and the knowledge of what your body is doing. All body phase information is based on peer-reviewed scientific research with direct links to PubMed sources. Begin your fast. Know your body. Grow like the pine.
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.
- Flexible fasting timer
- Smart notifications
- Visual progress timeline
- Home screen widgets
- Progress & trends tracking
- Fasting history
- iCloud sync
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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
Screenshots
Verdict
The clearest difference is in-app purchases: SOL at none against Intermittent Timer's 1. On price, update cadence, 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
Both are free to download. Intermittent Timer sells 1 in-app purchase, starting at $0.99 per month. SOL asks for nothing beyond the download.
SOL ships an update fortnightly, Intermittent Timer every 3 weeks. The most recent releases landed on September 22, 2026 and July 31, 2026 respectively.
| Parameter | SOL | Intermittent Timer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 16 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Danny Linsner | Michael Bright |
In-app purchases
SOL
No in-app purchases
Intermittent Timer
- Intermittent Timer Premium$0.991 Month





