Comparison

Space Images vs DISCS

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

Head to head
About

Space Images

Explore breathtaking images from NASA missions, featuring planets, galaxies, and space technology. This app offers widgets for your home screen and StandBy mode, allowing you to view a slideshow while your device charges. You can also bookmark, search, and share your favorite celestial discoveries.

Highlights
  • Latest NASA space images
  • Widgets for home screen
  • StandBy mode slideshow
  • Image notifications
  • Search and browse categories
  • Bookmark and share images
Features
Read full description

Discover stunning new images of space, planets, Mars, asteroids, stars, galaxies, and cutting-edge space technology as they are released each week from NASA's Jet Propulsion Laboratory. This new version of Space Images is fully redesigned and optimized for iOS 17, now supporting all widgets, including StandBy, which can display a slideshow while your device is charging. • iTunes Staff Favorite • Top Free App in the App Store Education category Features • From Earth, Mars, Jupiter, Saturn, and the icy moons of the outer solar system, get the latest science images of planets, stars, galaxies, robotic explorers, weather, and more. • Opt-in to get once-per-week notifications of the coolest images captured by JPL’s fleet of NASA space probes, including the Ingenuity Mars helicopter and rovers and the James Webb Space Telescope. • View the latest images from space on your home screen using our widgets. • Display a continuous rotating carousel of Space Images on your desk or side table using Standby (iOS 17). • “Like” and bookmark your favorite celestial images and share seamlessly on popular social media platforms. • Search by keyword or browse by these categories: Earth, Mars, Solar System, Stars and Galaxies, Exoplanets, Robotics, and Technology. • Save images to your photo library and share them with your friends.

About

DISCS

Contribute observations about local crop conditions and drought impacts to a scientific community. View your reports alongside data from NASA satellites, NOAA rainfall, and ground sensors.

Highlights
  • Report crop conditions
  • Upload photos
  • View drought data
  • See rainfall information
  • Monitor vegetation health
  • Observe satellite data
Read full description

The smartphone app “Drought Information Supported by Citizen Scientists” (DISCS) was created by researchers at NASA’s Marshall Space Flight Center to facilitate the sharing and delivery of hydrologic and agricultural information from citizen scientists to the scientific community and partners involved in the monitoring of drought conditions. Users, as Citizen Scientists, are encouraged to contribute photos of local crop conditions along with information about crop type, crop health, soil moisture conditions, and other notes about drought impacts. In exchange, users of the app can observe their reports alongside reports of other Citizen Scientists, and view their information in the context of drought information from the U.S. Drought Monitor, recent rainfall data from NOAA, soil moisture information from ground sensors or through NASA modeling approaches, and view information about vegetation health and stress as observed from NASA’s constellation of satellites.

Screenshots

Space Images4 screens
DISCS4 screens

Verdict

The call

The clearest difference is rating: Space Images at 4.6 against DISCS's 2.0. Space Images also leads on review sentiment (63% vs 50%) and ratings volume (16 vs 3). DISCS's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Space Images holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Space Images has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 63% of Space Images's written reviews are positive against 50% of DISCS's.

UpkeepUpdate frequency

Space Images ships an update every 4 months, DISCS every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
Space Images versus DISCS: the parameters behind the verdict, then further details
ParameterSpace ImagesDISCS
PriceFreeFree
Rating4.6 (16 ratings) — better2.0 (3 ratings)
Positive reviews63.0% of reviews — better50.0% of reviews
Number of ratings16 — better3
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.08.0 — better
Further details — not scored
Size23 MB54 MB
Age rating4+4+
DeveloperJet Propulsion LaboratoryNASA

Customer experience

Space Images

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews119 reviews
Positive63.0%
Neutral9.2%
Negative27.7%

DISCS

All ratings3 ratings
Positive0.0%
Neutral33.3%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Space Images

No in-app purchases

None

DISCS

No in-app purchases

Questions

Is Space Images free?
Space Images is free to download, with no in-app purchases.
Is DISCS free?
DISCS is free to download, with no in-app purchases.
Which has better reviews, Space Images or DISCS?
Space Images is rated higher. Space Images averages 4.6 out of 5 from 16 ratings, while DISCS averages 2.0 from 3 ratings.
Do Space Images or DISCS have ads?
Neither Space Images nor DISCS shows ads.
Which is updated more often, Space Images or DISCS?
Space Images ships an update every 4 months, and DISCS every 2 months. Most recently, Space Images was updated on November 4, 2026 and DISCS on November 5, 2026.

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