KeckWatch vs Jupiter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeckWatch
Explore the cosmos with detailed information on stars, planets, galaxies, and nebulae. Discover celestial objects using your device's compass and GPS, and stay updated with news from the W. M. Keck Observatory. Features a night-vision-friendly red interface and offline access.
- Offline celestial exploration
- Real-time telescope status
- Compass and GPS integration
- Detailed object information
- Hawaiian star names
- Night vision red interface
- Keck Observatory news
Read full descriptionHide full description
KeckWatch is brought to you by W. M. Keck Observatory, which operates the two largest optical/infrared telescopes on Earth from nearly 14,000 feet on Maunakea in Hawaii. Since first science in 1993 they have become the two most scientifically productive telescopes on Earth. With KeckWatch, you can share in their discoveries. Sporting thousands of stars, all 8 (sorry, Pluto) planets, galaxies, nebula and star clusters, along with status updates and news from Keck Observatory you’ll learn where Orion might be, or what planet was shimmering above the house last night. Features include: •No Internet required. Just a sense of wonder. •Up to date Keck news •See the current status of each telescope, what instruments are in use and what organization is booked for that evening’s observing •See where each scope is currently aimed. •Stars are shown with both standard and traditional Hawaiian names •Zoom in on the planets, see Jupiter and her moons or the rings of Saturn. •See where other users with Beacons. •Compass aware, just aim and gaze. •Thousands of pinpoint stars scintillating like diamond dust in the palm of your hand •Realistic ghostly band of the Milky Way •Stories behind each constellation •Viewpoint Lock keeps any planet centered •Galaxies, nebula and star clusters •Hubble Space Telescope images •All 8 planets (Pluto is optional) •GPS aware •Red interface to preserve your night vision •What's Up? Gives a quick one snapshot overview of where all of the important stuff is •Touching the sky to reveal hidden data for each object •Planetary data and information
Jupiter
Explore Jupiter with stunning images and scientific insights from NASA's Juno mission. Features an immersive slideshow, interactive 3D models, and a dynamic video library for a deep-space educational experience.
- High-definition Jupiter images
- Scientific insights for each image
- Immersive full-screen slideshow
- Dynamic video library
- Interactive 3D models of Jupiter
- Haptic feedback
Read full descriptionHide full description
Discover Jupiter Like Never Before. With "Jupiter: Juno," the secrets of the solar system's largest planet are now at your fingertips. Built with the latest data from NASA’s groundbreaking Juno mission, this app offers a deeply immersive and educational experience for space enthusiasts, students, and curious minds alike. Experience a premium interface redesigned for the modern age, featuring glassmorphism aesthetics, haptic feedback, and a seamless journey through deep space. CORE FEATURES: Breathtaking Discovery: Browse through a curated collection of hundreds of high-definition photos. Each image comes with detailed scientific insights, allowing you to understand the storms, gravity, and magnetic fields of Jupiter. Immersive SlideShow: Let the beauty of the cosmos take over. Our full-screen slideshow mode makes you feel like you are in orbit, witnessing the giant’s vibrant clouds and swirling eddies in real-time. Dynamic Video Library: Watch mission highlights and scientific visualizations. Our new hybrid video system delivers crystal-clear footage with a modern, intuitive player designed for deep-space exploration. Interactive Gallery: Zoom into the finest details of Jupiter’s landscape. Our high-performance gallery allows you to examine every vortex and cloud band with pinpoint precision. 3D Space Exploration: Step into a new dimension. Explore interactive 3D models of Jupiter and the Juno spacecraft to understand the engineering and scale of this historic mission. Premium User Experience: Feel the mission with integrated haptic feedback and a sleek, dark-themed design that puts the focus where it belongs: on the beauty of space. Why Jupiter: Juno? We aim to bridge the gap between complex space research and your mobile device. Whether you are here for the stunning visuals or the scientific transcripts, "Jupiter: Juno" provides a compact, powerful, and beautiful way to explore the frontier of human discovery. Ad Astra!
Screenshots
Verdict
The clearest difference is rating: Jupiter at 5.0 against KeckWatch's 4.3. KeckWatch's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 58 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Jupiter holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 9 and 2 respectively.
KeckWatch ships an update every 5 weeks, Jupiter every 58 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | KeckWatch | Jupiter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (9 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 9 — better | 2 |
| Update frequency | Every 5 weeks — better | Every 58 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 7.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 147 MB | 153 MB |
| Age rating | 4+ | 9+ |
| Developer | Mike Smithwick | Alparslan Topbas |
Customer experience
KeckWatch
Jupiter
In-app purchases
KeckWatch
No in-app purchases
Jupiter
No in-app purchases









