Quarz vs SkyCalmer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quarz
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Quarz is an alternative client to control your smart EQ or smart ED via an OVMS module. Quarz supports retrieving the following vehicle metrics: • State of charge and remaining range • Current charging progress and remaining charging time • Cabin and exterior temperature (while A/C is active) • Current vehicle location • Tire pressures • Mileage • VIN Additionally, you can start the A/C Booster (heating or cooling) of your vehicle (for 5, 10 or 15 minutes).
SkyCalmer
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Take control of your fear of flying and rediscover the freedom of travel. Flying anxiety affects millions of people worldwide, keeping them from dream vacations, important business meetings, and precious moments with loved ones. Flight Fear is your personal companion designed to help you overcome aviophobia and transform your relationship with air travel. Calm Your Mind Access guided breathing exercises and meditation techniques specifically designed for pre-flight anxiety and in-flight stress. Our proven relaxation methods help you stay grounded, even at 35,000 feet. Understand Your Fear Knowledge is power. Learn the science behind flight safety, understand turbulence, and discover why flying is statistically the safest form of travel. Our expert-curated content demystifies every aspect of air travel. Track Your Progress Document your journey from fearful flyer to confident traveler. Set goals, celebrate milestones, and watch your confidence soar with every flight. In-Flight Support Real-time tools designed for use during your flight. From turbulence reassurance to landing anxiety relief, we're with you every step of the way. Whether you're a nervous first-time flyer or someone who's avoided planes for years, Flight Fear gives you the tools to reclaim your wings. Your journey to fearless flying starts here.
Screenshots
Verdict
Quarz and SkyCalmer 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 | Quarz | SkyCalmer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 7 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Joshua Jung | Filip Nowakowski |
In-app purchases
Quarz
No in-app purchases
SkyCalmer
No in-app purchases






