Sol Studio vs Lunar Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sol Studio
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Our studio, located in the city center of Geneva, offers a sanctuary where you can experience the transformative power of holistic wellness through body therapies and movement. You will be able to find our Sol Former and Sol Yoga classes, as well as our Renata Franca massage therapies that are tailored to your needs, all accompanied by our Sol Café for a healthy boost. Our Sol Former classes provide an innovative pilates-inspired method aiming to sculpt and design your body with our Sol Former machines. Our Sol Yoga classes offer a unique and intimate experience tailored to your needs. From this mobile App you can view class schedules, sign-up for classes as well as view the studio’s location information.
Lunar Flow
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Lunar Flow helps you align your daily life with your menstrual cycle. Plan your days, track your moods, and understand your body's natural rhythms—all with complete privacy. YOUR CYCLE, YOUR GUIDE Every phase of your cycle affects your energy, mood, and capabilities differently. Lunar Flow helps you work with your body, not against it, by providing personalized daily guidance based on where you are in your cycle. DAILY PLANNING • Set your "Must Do" task and two important priorities each day • Get phase-appropriate themes and tips to guide your focus • See what to embrace and what to avoid based on your current phase • Carry forward yesterday's intentions and context REFLECTION & TRACKING • Quick mood check-ins with a simple 5-point scale • Log daily context like work stress, poor sleep, or social events • Celebrate daily wins and capture reflections • Set intentions for tomorrow INSIGHTS & TRENDS • View your mood patterns over time • See how your productivity correlates with each phase • Track your check-in streaks • Understand your unique patterns CYCLE CALENDAR • Beautiful monthly view with phase coloring • Tap any day to see your logged moods, tasks, and notes • Plan ahead with upcoming phase visibility LEARN ABOUT YOUR CYCLE • Understand each phase: Menstrual, Follicular, Ovulatory, and Luteal • Daily cycle facts to deepen your knowledge • Phase-specific insights for body and mind COMPLETELY PRIVATE Your data never leaves your device. No accounts, no cloud sync, no tracking—just you and your cycle. Delete the app anytime and all data goes with it. DESIGNED FOR REAL LIFE Add context tags when life gets complicated—deadlines, travel, poor sleep, or emotional days. Lunar Flow adjusts its recommendations to meet you where you are. Start flowing with your cycle today.
Screenshots
Verdict
Sol Studio and Lunar Flow are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Sol Studio | Lunar Flow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 190 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | NV Ventures SARL | Ying Cao |
In-app purchases
Sol Studio
No in-app purchases
Lunar Flow
No in-app purchases









