Comparison

ScrollPlanets vs Apphemeride Precise Astronomy

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

Head to head
About

ScrollPlanets

Discover stunning daily space imagery and learn about NASA's technology through an immersive, distraction-free scrolling experience. Save your favorite cosmic discoveries and explore planets, stars, and the wonders of space exploration.

Highlights
  • Daily space imagery
  • NASA technology insights
  • Infinite scrolling
  • Ad-free interface
  • Save favorite content
  • Learn through exploration
Features
Read full description

AstronomyScroll: Explore space AstronomyScroll: Explore space brings you breathtaking daily space imagery and insights into NASA's technology. Designed with a clean, immersive interface, you can endlessly scroll through space content without distractions. Whether you're fascinated by planets, stars, or the technology that powers space exploration, AstroScroll turns your curiosity into a daily journey through the cosmos. Key Features: - Infinite Scrolling Experience - Seamlessly explore NASA imagery without limits. - Ad-Free Interface - Focus entirely on the content without interruptions. - Save Favorites - Bookmark the photos and facts you love for later viewing. - Learn Through Exploration - Get inspired by real NASA technologies and space knowledge. Privacy & Terms Your privacy matters to us. Please review our terms below: Privacy Policy: https://developing-comet-b87.notion.site/Privacy-Policy-AstroScroll-1e81f542e1a38043bc20c17da3f0694b?pvs=4 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 1

About

Apphemeride Precise Astronomy

This app provides precise astronomical data for sky analysis, including eclipses, Moon motion, and planetary positions. It offers location-based calculations and visual tools to understand celestial events and their visibility.

Highlights
  • Precise sky analysis
  • Eclipse and Moon motion tracking
  • Location-based celestial calculations
  • Horizon Tracker for celestial body movement
  • Detailed planetary and solar system data
  • Solar and lunar eclipse simulations
  • Configurable data display
Features
Read full description

Your sky. Your perspective. Explore the Sun, Moon, planets and more than 2.5 million stars with Apphemeride. Plan observations, follow celestial events and understand the sky through detailed data, interactive maps and a 3D solar system. BUILD YOUR OWN DASHBOARDS Bring together personal lists, your favorite objects and the details that matter to you. Arrange cards with the new layout system and choose the values, units and formats you want to see. TRAVEL THROUGH THE SOLAR SYSTEM Explore our solar system in 3D. Move between celestial objects and connect their positions in space with what you see in the sky. MAP YOUR NEXT OBSERVATION Explore the sky with constellations and coordinate grids. Use observation and Earth visibility maps to study where an object is above the horizon. Choose which astronomical guides and values appear in your views. GET TO KNOW EACH OBJECT The redesigned object view brings visual exploration and detailed parameters together. Depending on the object, examine rise, transit and set times, altitude, azimuth, coordinates, phase, illumination, brightness, angular size and distance. Search the expanded star catalog by TYC, HIP or HD identifier. FOLLOW EVENTS AND ECLIPSES Study solar and lunar eclipse visibility with maps and simulations. Find upcoming celestial events for a selected location, open them on the sky map, and follow objects in personal watchlists. Set alerts for the astronomical values you want to track. UNDERSTAND THE LOCAL HORIZON Use the Horizon Tracker to compare the paths of the Sun, Moon and planets over a day, month or year. Explore different times and locations to plan observations, travel or astrophotography. AT HOME IN 17 LANGUAGES English, German, Spanish, French, Portuguese, Italian, Arabic, Hungarian, Russian, Polish, Turkish, Hindi, Simplified Chinese, Japanese, Korean, Vietnamese and Indonesian. Core astronomical calculations and bundled catalogs work offline. Online features such as address search, map imagery and current sunspot data require an internet connection. Explore the Sun and Moon for free. Try all features free for three days, then unlock the full version permanently with a one-time in-app purchase. Existing paid customers keep their permanent access.

Screenshots

ScrollPlanets4 screens
Apphemeride Precise Astronomy4 screens

Verdict

The call

The clearest difference is monetization model: Apphemeride Precise Astronomy at free against ScrollPlanets's freemium. Apphemeride Precise Astronomy also leads on review sentiment (100% vs 83%). ScrollPlanets's advantage is iOS requirement (16.6 vs 26.0). 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. ScrollPlanets sells 3 in-app purchases, starting at $3.99 per 7 days and Apphemeride Precise Astronomy sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ScrollPlanets ships an update every 2 weeks, Apphemeride Precise Astronomy every 4 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
ScrollPlanets versus Apphemeride Precise Astronomy: the parameters behind the verdict, then further details
ParameterScrollPlanetsApphemeride Precise Astronomy
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better26.0
Further details — not scored
Size18 MB442 MB
Age rating4+4+
Developersamet bilginCsaba Lengyel

Customer experience

ScrollPlanets

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Apphemeride Precise Astronomy

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

ScrollPlanets

Subscriptions2
  • weeklyplan3 Days trial$3.997 Days
  • yearlyplan$9.991 Year
One-time1
  • lifetime$17.99
2 purchases

Apphemeride Precise Astronomy

One-time2
  • 3-day TrialFree
  • Apphemeride Full Unlock$49.99

Questions

Is ScrollPlanets free?
ScrollPlanets is free to download, with in-app purchases available.
Is Apphemeride Precise Astronomy free?
Apphemeride Precise Astronomy is free to download, with in-app purchases available.
Do ScrollPlanets or Apphemeride Precise Astronomy have ads?
Neither ScrollPlanets nor Apphemeride Precise Astronomy shows ads.
Which is updated more often, ScrollPlanets or Apphemeride Precise Astronomy?
ScrollPlanets ships an update every 2 weeks, and Apphemeride Precise Astronomy every 4 weeks. Most recently, ScrollPlanets was updated on October 2, 2026 and Apphemeride Precise Astronomy on September 30, 2026.

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