Planetary Clock vs Constellation Finder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Planetary Clock
Visualize the precise positions of all planets in the Solar System for any given day. It uses accurate NASA data for orbital calculations and relative planet sizing, offering a clear, educational view of celestial mechanics.
- Real-time planet positions
- Accurate orbital calculations
- Uses NASA data
- Relative planet sizing
- Educational solar system view
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Planetary Clock is simple and elegant app what shows positions of all planets of the Solar System at any given day. The app uses precise calculation to determine accurate positions in real time. Sun’s and planets sizes are not to scale in order to show them clearly, but other parameters such as size of orbit, eccentricity, shape of the orbit and position of planets are calculated using precise NASA data. Planets are also realistically sized to each other
Constellation Finder
Discover planets and constellations with an interactive and educational journey through space. Explore celestial bodies, learn fascinating facts, and enjoy a playful design that makes learning about the solar system fun for all ages.
- Instant planet search and navigation
- Fascinating facts and real data
- Interactive solar system exploration
- Regularly updated celestial data
- Vibrant and playful design
- Constellation finding capabilities
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Planets: Explore the Solar System, Planets & Constellation Playfully Planets is your gateway to an interactive and fun journey through space. Instantly find planets and dive into real facts, beautiful designs, and celestial insights. Key Features: Explore instantly: Search and navigate planets in a tap. Learn as you go: Discover fascinating facts, and real data about every celestial body. Interactive discovery: explore the solar system your way with regularly updated data. Beautiful and educational: A vibrant, playful design that makes learning about space enjoyable for all ages. Whether you're curious about the Sun, constellation finder, exploring distant moons, or just love space and sky, Planet Finder makes space discovery simple, smart, and fun. Perfect for learners, dreamers, and explorers. Start your journey through the Galaxy today! — EULA https://planetfinder.carrd.co/#eula — Privacy Policy https://planetfinder.carrd.co/#privacy — Terms Of Service https://planetfinder.carrd.co/#terms
Screenshots
Verdict
The clearest difference is price: Constellation Finder at Free against Planetary Clock's $0.99. Constellation Finder also leads on review sentiment (100% vs 57%) and update cadence (every 2 months vs every 27 months). Planetary Clock's advantage is rating (4.9 vs 4.4) and in-app purchases (none vs 5). On ratings volume and ads 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
Constellation Finder is free to download; Planetary Clock costs $0.99 up front. Constellation Finder sells 5 in-app purchases, starting at $4.99 per 7 days. Planetary Clock asks for nothing beyond the download.
Planetary Clock holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 34 and 21 respectively. Written reviews complicate that: 57% of Planetary Clock's written reviews are positive against 100% of Constellation Finder's, so the app with the better star average is not the one people write more warmly about.
Planetary Clock ships an update every 27 months, Constellation Finder every 2 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.
| Parameter | Planetary Clock | Constellation Finder |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.9 (34 ratings) — better | 4.4 (21 ratings) |
| Positive reviews | 57.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 34 — better | 21 |
| Update frequency | Every 27 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.4 — better | 16.4 |
| Further details — not scored | ||
| Size | 14 MB | 20 MB |
| Age rating | 4+ | 9+ |
| Developer | Piotr Knapczyk | Overflow LTD |
Customer experience
Planetary Clock
Constellation Finder
In-app purchases
Planetary Clock
No in-app purchases
Constellation Finder
- Weekly$4.997 Days
- Monthly$5.991 Month
- Yearly$19.991 Year
- Lifetime$17.99
- Lifetime$29.99
Questions
Is Planetary Clock free?
Is Constellation Finder free?
Which has better reviews, Planetary Clock or Constellation Finder?
Do Planetary Clock or Constellation Finder have ads?
Which is updated more often, Planetary Clock or Constellation Finder?
Other comparisons
