Comparison

Lunaro vs hellocetus

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

Head to head
About

Lunaro

Read full description

Discover the beauty and rhythm of the moon with Lunaro – your personal moon dashboard. Get accurate moon phase data, illumination levels, rise and set times, and upcoming full and new moons based on your current location. Lunaro features a clean and modern interface designed to keep you informed and inspired. You’ll even receive helpful reminders before each full moon so you never miss a moment. • Real-time moon phase visualization • Moonrise and moonset times based on your location • Full moon and new moon date tracking • Clean, night-sky-inspired interface • Powered by reliable astronomical data

About

hellocetus

Track celestial events like supermoons, moon phases, and planet positions with this astronomy calendar. Plan observations, get local sun and moon times, and explore detailed sky data.

Highlights
  • Supermoon calendar with long-range dates
  • Daily moon phase and illumination tracking
  • Local sun and moon times
  • Planet position comparison
  • Save observation notes and reminders
  • Optional astronomy event alerts
Features
Read full description

hellocetus is an astronomy calendar for planning supermoons, following Moon phases, checking local Sun and Moon times, and comparing planet positions. Browse long-range events or open today’s sky data in one focused app. Plan ahead with the supermoon calendar • Browse long-range supermoon dates and astronomy events by year • See exact local event times and countdowns for upcoming supermoons • Explore Supermoons, Micromoons, Blue Moons, Black Moons, Harvest Moons, Hunter’s Moons, Blood Moons, Super New Moons, and Micro New Moons • Find solar and lunar eclipse dates in the same event calendar Follow the Moon day by day • View a monthly calendar with each day’s Moon phase and illumination • Open full moon details with the local event time, moonrise, moonset, city, time zone, and sky position • Check today’s moonrise, moonset, phase, illumination, and lunar angle • Save observation notes, plans, and reminders directly on calendar dates • Receive optional alerts one hour before supported astronomy events Compare planets and the sky • Switch between Local Sky, Earth-centered, and Sun-centered planet views • Compare altitude, azimuth, brightness, longitude, latitude, distance, right ascension, declination, and elongation • Follow short-term planetary motion with timeline views • Use a selected city or saved GPS location for local calculations • Compare standout constellations above the horizon across countries and representative cities • Explore planet surface previews in a clean globe-style interface Daily Sun and Moon information Check sunrise, sunset, total daylight, day-length change, moonrise, moonset, phase, and illumination at a glance. hellocetus brings long-range planning and everyday sky data into one focused experience. Free and Premium hellocetus includes advertising. Optional monthly, yearly, or lifetime Premium removes ads and unlocks the Home Screen full moon widget. Current products, localized prices, renewal details, and purchase terms are shown in the app before purchase. Available in 22 supported languages. Terms of Service: https://hellocetus.com/terms/ Apple Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lunaro3 screens
hellocetus4 screens

Verdict

The call

The clearest difference is ads: hellocetus at none against Lunaro's shown. hellocetus also leads on iOS requirement (15.0 vs 17.6). Lunaro's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Lunaro ships an update every 3 days, hellocetus monthly. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Lunaro versus hellocetus: the parameters behind the verdict, then further details
ParameterLunarohellocetus
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 3 days — betterMonthly
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size40 MB77 MB
Age rating4+4+
DeveloperJordan BaroneWaitcle

In-app purchases

None

Lunaro

No in-app purchases

None

hellocetus

No in-app purchases

Questions

Is Lunaro free?
Lunaro is free to download, with no in-app purchases.
Is hellocetus free?
hellocetus is free to download, with no in-app purchases.
Do Lunaro or hellocetus have ads?
Lunaro shows ads; hellocetus does not.
Which is updated more often, Lunaro or hellocetus?
Lunaro ships an update every 3 days, and hellocetus monthly. Most recently, Lunaro was updated on October 24, 2026 and hellocetus on October 24, 2026.

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