SOL vs Moodii
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SOL
Read full descriptionHide full description
SOL (์) โ 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 โ in real time. As you fast, SOL guides you through each biological phase: Fed State โ Insulin Dropping โ Fat Burning โ Ketosis โ Autophagy โ Deep Autophagy โ Growth Hormone Surge โ Immune Reset FEATURES โข Beautiful minimal timer with progress ring โข Real-time body phase updates with scientific sources โข Full body timeline โ see all 8 phases and your progress โข Tap any phase for in-depth science and PubMed sources โข Smart notifications at each milestone โข Stats dashboard โ track your fasting journey โข Background timer โ keeps running when you close the app โข Light & dark mode with handcrafted watercolor textures โข Home screen widget โข Community pulse โ you're not fasting alone โข 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.
Moodii
Read full descriptionHide full description
Moodii is a simple mood tracker designed for fast daily reflection. Log your mood, feelings, context, and notes in seconds. Review your entries with a calendar view, see mood patterns in trends, set local reminders, and use widgets or quick actions to start logging faster. Moodii keeps the experience focused, private, and easy to use.
Screenshots
Verdict
The clearest difference is update cadence: Moodii at every 3 days against SOL's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SOL ships an update fortnightly, Moodii every 3 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | SOL | Moodii |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 16 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 6 MB | 19 MB |
| Age rating | 4+ | 17+ |
| Developer | Danny Linsner | Chen Le Yong |
In-app purchases
SOL
No in-app purchases
Moodii
No in-app purchases









