Stellarium Mobile vs Kaksha School
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stellarium Mobile
Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.
- Real-time sky simulation
- Identify stars, planets, satellites
- Constellation shapes and illustrations
- Deep sky object catalog
- Night mode for eye comfort
- Telescope control (Plus)
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Stellarium Mobile is a planetarium app that shows exactly what you see when you look up at the stars. Identify stars, constellations, planets, comets, satellites (such as the ISS), and other deep sky objects in real time in the sky above you in just a few seconds, just by pointing the phone at the sky! This astronomy application has an easy to use and minimalist user interface, that makes it one of the best astronomical applications for adults and children who want to explore the night sky. Stellarium Mobile features: • View an accurate night sky simulation of stars and planets for any date, time and location. • Dive in a collection of many stars, nebulas, galaxies, star clusters and other deep sky objects. • Zoom on realistic Milky Way and Deep Sky Objects images. • Discover how people living in other regions of the planet see the stars by selecting the shapes and illustrations of the constellations for many sky cultures. • Track artificial satellites, including the International Space Station. • Simulate landscape and atmosphere with realistic sunrise, sunset and atmosphere refraction. • Discover 3D rendering of the major solar system planets and their satellites. • Observe the sky in night mode (red) to preserve your eyes adaptation to darkness. Stellarium Mobile contains in-app purchases allowing to upgrade to Stellarium Plus. With this upgrade, the app will display objects as faint as magnitude 22 (versus magnitude 8 in the base version) and enable advanced observing features. Stellarium Plus features (unlocked with in-app purchase): • Reach the limit of knowledge by diving in a massive collection of stars, nebulas, galaxies, star clusters and other deep sky objects: - All known stars: Gaia DR2 catalog of over 1.69 billion stars - All known planets, natural satellites and comets, and many other minor solar system objects (10k asteroids) - Most known deep sky objects: a combined catalog of over 2 million nebulas and galaxies • Zoom almost without limits on high resolution images of deep sky objects or planetary surfaces. • Observe in the field, even without internet connection, with a "reduced" set of data: 2 million stars, 2 million Deep Sky Objects, 10k asteroids. • Control your telescope through WIFI: drive any GOTO telescope compatible with NexStar, SynScan or LX200 protocols. • Prepare your observing sessions using the advanced observation tools, to predict a celestial object observability and transit times. Stellarium Mobile is made by the original creator of Stellarium, the well known open source planetarium and one of the best astronomy applications on Desktop PC. Your can unlock the full features using either a one time payment or a subscription. See In-App Purchase section for the subscription price available in your country. Payment will be charged to your iTunes account. Your subscription will automatically renew unless cancelled 24 hours prior to the end of the current period. Auto renewal may be turned off at any time by going to your account settings after purchases. Terms of service: https://stellarium-labs.com/stellarium-mobile-plus/stellarium-mobile-terms-of-use Privacy policy: https://www.stellarium-labs.com/privacy-policy-for-stellarium-mobile
Kaksha School
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Kaksha School is a simple, reliable school companion app for students, parents, and staff. With Kaksha School you can: View attendance and daily updates Track homework and classwork Check timetable and upcoming exams Get school notices and announcements View fee details and receipts (if enabled by your school) Stay informed with fast, secure access Designed for clarity and speed The app is optimized for quick loading, easy navigation, and a clean interface so you can find what you need in seconds. Important Kaksha School works with participating schools. Features may vary depending on your school’s setup and permissions.
Screenshots
Verdict
The clearest difference is in-app purchases: Kaksha School at none against Stellarium Mobile's 2. Kaksha School also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (15.1 vs 17). Stellarium Mobile's advantage is chart position (#43 vs unranked). On price, ads 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
Both are free to download. Stellarium Mobile sells 2 in-app purchases, starting at $1.99 per month. Kaksha School asks for nothing beyond the download.
Stellarium Mobile ships an update every 5 weeks, Kaksha School every 3 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Stellarium Mobile | Kaksha School |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (40K ratings) — better | — |
| Positive reviews | 84.4% of reviews | — |
| Number of ratings | 40K — better | — |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #43 — better | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17 | 15.1 — better |
| Further details — not scored | ||
| Size | 456 MB | 38 MB |
| Age rating | 4+ | 17+ |
| Developer | Noctua Software Ltd | Margo Logistics Private Limited |
Bugs and requests
Stellarium Mobile
Reported bugs
3 issues- Compass not working properly
- Favorites list disappearing
- Inconsistent performance on different devices
Requested features
5 requests- Notifications for astronomical events
- More customization options
- Integration with camera for AR overlay
- Better support for telescopes and mounts
- Improved search and navigation
Kaksha School
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stellarium Mobile
- Stellarium PLUS7 Days trial$1.991 Month
- Stellarium PLUS$18.99
Kaksha School
No in-app purchases
Questions
Is Stellarium Mobile free?
Is Kaksha School free?
Do Stellarium Mobile or Kaksha School have ads?
Which is updated more often, Stellarium Mobile or Kaksha School?
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