hellocetus vs Fortune K
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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.
- 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
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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 todayβs sky data in one focused app. Plan ahead with the supermoon calendar β’ Browse long-range supermoon dates and astronomy events by year β’ See exact local event times and countdowns for upcoming supermoons β’ Explore Supermoons, Micromoons, Blue Moons, Black Moons, Harvest Moons, Hunterβs Moons, Blood Moons, Super New Moons, and Micro New Moons β’ Find solar and lunar eclipse dates in the same event calendar Follow the Moon day by day β’ View a monthly calendar with each dayβs Moon phase and illumination β’ Open full moon details with the local event time, moonrise, moonset, city, time zone, and sky position β’ Check todayβs moonrise, moonset, phase, illumination, and lunar angle β’ Save observation notes, plans, and reminders directly on calendar dates β’ Receive optional alerts one hour before supported astronomy events Compare planets and the sky β’ Switch between Local Sky, Earth-centered, and Sun-centered planet views β’ Compare altitude, azimuth, brightness, longitude, latitude, distance, right ascension, declination, and elongation β’ Follow short-term planetary motion with timeline views β’ Use a selected city or saved GPS location for local calculations β’ Compare standout constellations above the horizon across countries and representative cities β’ 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/
Fortune K
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Fortune K is an entertainment and self-reflection app for users aged 20 or over in Thailand and 18 or over in every other served country. β’ AI-powered tarot, Saju, horoscope, dream and other symbolic readings β’ Daily scores, personalized interpretations and reading history β’ Profile, AI-output reporting and customer-support features AI outputs are symbolic interpretations. They do not prove facts, predict the future or guarantee outcomes. They do not replace medical, legal, mental-health, investment, tax or other professional advice. Consult a qualified professional for important decisions. AI output may be inaccurate. Inappropriate AI output can be reported in the app. Profile details, questions, selected photos and reading history may be processed under the privacy policy to generate readings, provide history and protect users. Fortune K is not an emergency service. Optional rewarded ads may be offered. The displayed in-app reward is issued only after ad viewing and server verification are complete. Advertising privacy choices can be managed in the app. Digital points and memberships are sold only through Apple App Store or Google Play in-app purchase. Local price, duration and auto-renewal terms are shown before purchase; restoration, cancellation and refunds follow the relevant store process. Points are not cash and cannot be transferred. Physical-goods checkout and external payment are not included in this release. Availability varies by country and content settings.
Screenshots
Verdict
The clearest difference is ads: hellocetus at none against Fortune K's shown. Fortune K's advantage is update cadence (fortnightly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. hellocetus sells 3 in-app purchases, starting at $1.99 per month and Fortune K sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
hellocetus ships an update monthly, Fortune K fortnightly. Both last shipped on November 5, 2026.
| Parameter | hellocetus | Fortune K |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Monthly | Fortnightly β better |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 77 MB | 247 MB |
| Age rating | 4+ | 17+ |
| Developer | Waitcle | THE RIZZ ENTERTAINMENT CO., LTD. |
In-app purchases
hellocetus
- HelloCetus Premium Monthly$1.991 Month
- HelloCetus Premium Yearly$4.991 Year
- HelloCetus Premium$6.99
Fortune K
- One-Time 16P Bundle$0.99
- First Reading Bundle$1.99
- 40 Fortune Points$2.99
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- Daily Pass 30 Days$3.99
- 140 Fortune Points$9.99
- VIP Pass 30 Days30-day$9.99
- 220 Fortune Points$14.99
- 450 Fortune Points$29.99
- 1000 Fortune Points$59.99
- 1700 Fortune Points$99.99









