Comparison

NASA Spinoff vs Space Telescope App

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

Head to head
About

NASA Spinoff

Discover how NASA technology benefits everyday life through commercial products. Explore innovations from life-saving satellite systems to hospital robots, showcasing the impact of space research on society. Find shortened articles from the latest Spinoff edition.

Highlights
  • Profiles NASA technology transfers
  • Highlights commercial products
  • Showcases societal benefits
  • Features shortened articles
  • Access latest Spinoff edition content
Read full description

NASA Spinoff profiles the best examples of technology that have been transferred from NASA research and missions into commercial products. From life-saving satellite systems to hospital robots that care for patients and more, NASA technologies benefit society. There’s more space in your life than you think! This app features shortened versions of all of the articles from the latest edition of Spinoff, which is available in print, PDF, and HTML versions at http://spinoff.nasa.gov.

About

Space Telescope App

Explore the universe with real-time updates and stunning visuals from NASA's James Webb Space Telescope. Engage with expert insights, join community discussions, and test your knowledge with interactive quizzes. Discover distant galaxies and unlock the secrets of the early universe.

Highlights
  • Live mission updates
  • Breathtaking image gallery
  • Expert Q&A with astronomers
  • Community discussions
  • Interactive space quizzes
  • 3D solar system explorer
  • Exclusive wallpapers
Features
Read full description

Space Telescope is an astronomy app for people who actually go outside and look up. See what the James Webb Space Telescope is observing right now. Decide whether tonight is worth staying out for. Catch the next visible ISS pass over your own location, and follow the rocket launches coming up. WHAT WEBB IS LOOKING AT, RIGHT NOW Webb's current target, science category, proposal, instruments and scheduled times, refreshed every five minutes while the view is open. Tap through to the proposal or the full observation schedule. A REAL PLAN FOR METEOR NIGHT Most meteor apps hand you a peak date. This one tells you what you will actually see. Set your location and how dark your sky is, and get an honest meteors-per-hour range, the best viewing window, where to look, how much the Moon will wash out, and what 30, 60 or 90 minutes outside is likely to be worth. Two alerts that matter: a heads-up the evening before, and a nudge when your window opens. Cloud cover is not included, so check the weather before you commit. THE ISS, OVER YOUR HOUSE Live position, altitude, velocity and orbit, plus crew, expeditions, dockings and visiting vehicles. Seven days of passes for your location with quality, direction, peak elevation and duration - set a 10-minute alert or drop the pass straight into your calendar. LAUNCH DAY Upcoming launches with live countdowns, status, provider, rocket, pad, launch window and webcast link. One tap for a reminder 15 minutes before liftoff. GALLERIES WORTH SCROLLING Imagery and mission guides for James Webb, Hubble, Chandra, the Nancy Grace Roman Space Telescope, Artemis, Mars and the ISS. Follow Roman's countdown, instruments and journey to L2. Pinch to zoom, save, share, like and comment. Turn on alerts only for the galleries you care about. PICTURE OF THE DAY NASA's Astronomy Picture of the Day, image or video, with the full expert explanation and an optional daily alert. AND WHEN YOU WANT MORE - Tonight Sky: sunrise, sunset, Moon phase, illumination and twilight - Space Weather: Kp index, solar wind, aurora probability and active alerts - Cosmic Calendar: meteor showers, eclipses and other sky events - Exoplanets: discovery method and year, distance, orbit, mass, radius, temperature, host star and habitable-zone marker - Community astrophotography: post your own shots with gear and conditions - Space wallpapers for your phone - Quizzes, points, levels and global leaderboards - Ask an Astronomer, and live chat rooms in 10 languages - Full interface in English and Spanish PREMIUM Space Telescope is free, with ads. Premium removes every ad, unlocks the premium wallpaper collection and adds a gold avatar ring. Choose a monthly or annual subscription, or pay once for lifetime access, which also grants 1,000,000 points and Diamond level straight away. Subscriptions are charged to your Apple Account and renew automatically unless auto-renew is turned off at least 24 hours before the current period ends. Manage or cancel in your Apple Account settings. Whether you follow Webb every day, plan a Perseids or Geminids watch, photograph the night sky, teach astronomy, or just want to know when the ISS will cross overhead, Space Telescope keeps the useful details in one place. Space Telescope is an independent astronomy app and is not affiliated with or endorsed by NASA, ESA, STScI, SpaceX or any launch provider. Data and imagery are credited to their respective sources. Privacy policy: https://jameswebbtracker.com/privacy-policy Terms of use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Space Telescope App4 screens

Verdict

The call

The clearest difference is rating: Space Telescope App at 4.0 against NASA Spinoff's 3.0. Space Telescope App also leads on review sentiment (40% vs 0%) and update cadence (every 10 days vs every 12 months). NASA Spinoff's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price 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. Space Telescope App sells 4 in-app purchases, starting at $4.99 per month. NASA Spinoff asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Space Telescope App holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Space Telescope App has 30 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of NASA Spinoff's written reviews are positive against 40% of Space Telescope App's.

UpkeepUpdate frequency

NASA Spinoff ships an update every 12 months, Space Telescope App every 10 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

Scorecard9 real differences · 1 level
NASA Spinoff versus Space Telescope App: the parameters behind the verdict, then further details
ParameterNASA SpinoffSpace Telescope App
PriceFreeFree
Rating3.0 (4 ratings)4.0 (30 ratings) — better
Positive reviews0.0% of reviews40.0% of reviews — better
Number of ratings430 — better
Update frequencyEvery 12 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS7.0 — better15.0
Further details — not scored
Size23 MB104 MB
Age rating4+4+
DeveloperNASAKAKHA GIORGASHVILI

Customer experience

NASA Spinoff

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Space Telescope App

All ratings30 ratings
Positive73.3%
Neutral6.7%
Negative20.0%
Written reviews30 reviews
Positive40.0%
Neutral10.0%
Negative50.0%

In-app purchases

None

NASA Spinoff

No in-app purchases

4 purchases

Space Telescope App

Subscriptions2
  • Monthly Ad-Free Plan$4.991 Month
  • Ad-Free Annual Access$29.991 Year
One-time2
  • Premium$2.99
  • Buy 1M Points$99.99

Questions

Is NASA Spinoff free?
NASA Spinoff is free to download, with no in-app purchases.
Is Space Telescope App free?
Space Telescope App is free to download, with in-app purchases available.
Which has better reviews, NASA Spinoff or Space Telescope App?
Space Telescope App is rated higher. NASA Spinoff averages 3.0 out of 5 from 4 ratings, while Space Telescope App averages 4.0 from 30 ratings.
Do NASA Spinoff or Space Telescope App have ads?
Space Telescope App shows ads; NASA Spinoff does not.
Which is updated more often, NASA Spinoff or Space Telescope App?
NASA Spinoff ships an update every 12 months, and Space Telescope App every 10 days. Most recently, NASA Spinoff was updated on October 20, 2026 and Space Telescope App on October 21, 2026.

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