Stillhour vs SOL
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Stillhour
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Stillhour is a calmer intermittent fasting app for days that do not go exactly to plan. Start with a realistic daily fasting plan, keep the active timer clear, and get recovery support when a meal, coffee, snack, meeting, or late dinner changes the day. With Stillhour, you can: β’ start with a first-day fasting plan shaped around your wake time, last meal, and daily pressure β’ track elapsed time, remaining time, and todayβs fasting protocol at a glance β’ plan break-fast, mid-window, and close-window meals without turning fasting into calorie counting β’ save reusable meals and keep simple grocery prompts close to your eating window β’ get practical during-fast support when food questions or social pressure show up β’ use simple βCan I have this?β guidance without wellness theater β’ keep hydration visible with fasting-aware goals and quick logs β’ review the week in a clean Weekly Wrapped card β’ recover calmly after an early end and adjust the next plan Stillhour Premium adds the adaptive layer: daily plan adjustments, calmer recovery support, meal insights, and reminder timing around the hour youβre most likely to break. Your fasting plan data stays on this device. No account is required. Stillhour is a wellness app for fasting routine support and education. It is not medical advice.
SOL
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SOL (μ) β 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 β in real time. As you fast, SOL guides you through each biological phase: Fed State β Insulin Dropping β Fat Burning β Ketosis β Autophagy β Deep Autophagy β Growth Hormone Surge β Immune Reset FEATURES β’ Beautiful minimal timer with progress ring β’ Real-time body phase updates with scientific sources β’ Full body timeline β see all 8 phases and your progress β’ Tap any phase for in-depth science and PubMed sources β’ Smart notifications at each milestone β’ Stats dashboard β track your fasting journey β’ Background timer β keeps running when you close the app β’ Light & dark mode with handcrafted watercolor textures β’ Home screen widget β’ Community pulse β you're not fasting alone β’ 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.
Screenshots
Verdict
The clearest difference is in-app purchases: SOL at none against Stillhour's 2. SOL also leads on ads (none vs shown). On price, update cadence, 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
Both are free to download. Stillhour sells 2 in-app purchases, starting at $12.99 per month. SOL asks for nothing beyond the download.
Stillhour ships an update every 3 weeks, SOL fortnightly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.
| Parameter | Stillhour | SOL |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Fortnightly β better |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 16 β better |
| Further details β not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 12+ | 4+ |
| Developer | Laurence Hurwitz-Bremner | Danny Linsner |
In-app purchases
Stillhour
- Stillhour Premium Monthly$12.991 Month
- Stillhour Premium Annual7 Days trial$79.991 Year
SOL
No in-app purchases









