Comparison

hellocetus vs OraOrb

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

Head to head
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/

About

OraOrb

Features
Read full description

Meet Ora, an AI companion built around the OraOrb physical companion device. OraOrb is designed as a connected experience: free-form voice conversations happen through the physical OraOrb, while the iPhone app helps you carry that relationship forward — revisit shared moments, manage your companion, and explore personalized reflections beyond the conversation. With OraOrb, you can: • Stay connected to Ora Sign in to your OraOrb account and manage your companion experience from your iPhone. • Revisit moments in Echo Archive View recent conversations created on your OraOrb device, return to meaningful exchanges, and share selected moments when you want to. • Explore Today’s Journey Receive a personalized daily reading designed for reflection, self-awareness, and planning your day. • Understand your Birth Chart Explore a visual overview of your birth chart and its key themes. • Read your Monthly Reading Open a longer-form monthly interpretation that brings together your chart and the themes of the month. • Get started with a simple onboarding A short introduction helps new users understand how OraOrb, Ora, and the iPhone companion app work together. OraOrb is designed for reflection and everyday companionship. Astrology-inspired content is interpretive and is not a guarantee of future events or a substitute for professional medical, mental health, legal, or financial advice. The OraOrb iPhone app is part of the broader OraOrb companion experience. Live voice conversations take place on the physical OraOrb device; the iPhone app extends that experience with history, personalized content, and account and device management.

Screenshots

hellocetus4 screens
OraOrb4 screens

Verdict

The call

The clearest difference is iOS requirement: hellocetus at 15.0 against OraOrb's 17.0. On price, update cadence, ads and in-app purchases 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

hellocetus ships an update monthly, OraOrb every 3 weeks. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 7 level
hellocetus versus OraOrb: the parameters behind the verdict, then further details
ParameterhellocetusOraOrb
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size77 MB425 MB
Age rating4+4+
DeveloperWaitcleRoleNeo LLC

In-app purchases

None

hellocetus

No in-app purchases

None

OraOrb

No in-app purchases

Questions

Is hellocetus free?
hellocetus is free to download, with no in-app purchases.
Is OraOrb free?
OraOrb is free to download, with no in-app purchases.
Do hellocetus or OraOrb have ads?
Neither hellocetus nor OraOrb shows ads.
Which is updated more often, hellocetus or OraOrb?
hellocetus ships an update monthly, and OraOrb every 3 weeks. Most recently, hellocetus was updated on October 14, 2026 and OraOrb on October 3, 2026.

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