Comparison

Moon Rotor vs KYPAPP

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Moon Rotor

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Turn the moon through time. Trace around the moon and feel each day click beneath your finger. Give it a flick and let it coast. Tap the moon to return to today. Moon Rotor makes the lunar cycle something you can explore by touch, with more to discover when you tap the lunar readout. Keep a date that matters Save a birthday, an anniversary, or a night you want to remember in Moon Keepsakes. Add your own title and note, then create a card showing that date's moon in Gold, Midnight, or Paper. Notes are left out of shared cards unless you choose to include an excerpt in the preview. A little moon, always nearby Add a textured moon and subtle ring to your Home Screen. Tap the widget to open the rotor. Lock Screen widgets put lunar details within a glance. Look a little deeper Explore phase, illumination, lunar age, and upcoming full and new moons. Choose a date in Moon Calendar. See the Moon estimates moonrise, moonset, height, and direction for a city or coordinates you choose, using calculations on your device without requesting location access. Make room for your own rhythm Choose local reminder times and an optional notice the day before a full or new moon. Turn on Astronomy Only for lunar facts, or explore optional reflective zodiac symbolism and Tonight guidance. On supported iPhones, optional on-device tailoring has a curated offline fallback. Private by design No account, ads, analytics, tracking, subscriptions, or developer-operated cloud service. Preferences, keepsakes, observing locations, and saved reflections are stored on your device. You choose whether to share a keepsake card. Lunar astronomy covers 2000 through 2050. Local sky estimates assume a clear, level horizon; terrain, weather, and polar conditions affect what you can see. Zodiac and Tonight content are reflection, not scientific claims or professional advice. Moon Rotor does not predict personal outcomes. Lunar surface artwork is derived from NASA's Lunar Near Side LRO image. Credit: NASA/Goddard Space Flight Center/Arizona State University.

About

KYPAPP

Features
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KYPAPP is the easy way to keep your group together on a trip or through the summer. Share the moments, agree on what's for lunch and dinner, follow the plan for each day, check the local sea and weather before heading to the beach, and play a few games along the way. What's inside: โ€ข Moments โ€” a photo feed with stories, likes and comments โ€ข Menu โ€” the day's dishes; reserve yours and see the food stats โ€ข Plan โ€” a day-by-day schedule, plus a movie corner and a bookings page โ€ข Info โ€” a live sea & weather forecast with an easy 7-level wave scale, and group polls โ€ข Games โ€” a check-in map game, walks, and daily trivia โ€ข A memories wall to keep your favourite moments together Create an account, gather your group, and enjoy the summer. Weather & sea data by Open-Meteo.com.

Screenshots

Moon Rotor4 screens
KYPAPP4 screens

Verdict

The call

Moon Rotor and KYPAPP are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Moon Rotor versus KYPAPP: the parameters behind the verdict, then further details
ParameterMoon RotorKYPAPP
PriceFreeFree
Update frequencyEvery 9 daysโ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS17.016.4 โ€” better
Further details โ€” not scored
Size13 MB57 MB
Age rating4+4+
DeveloperAlexander JoubertVictor Christodoulopoulos

In-app purchases

None

Moon Rotor

No in-app purchases

None

KYPAPP

No in-app purchases

Questions

Is Moon Rotor free?
Moon Rotor is free to download, with no in-app purchases.
Is KYPAPP free?
KYPAPP is free to download, with no in-app purchases.
Do Moon Rotor or KYPAPP have ads?
Neither Moon Rotor nor KYPAPP shows ads.

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