Comparison

SoHO Viewer vs Mars LTE

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

Head to head
About

SoHO Viewer

Access and view the latest images from the Solar and Heliospheric Observatory (SoHO). Receive push notifications when new images are available, keeping you updated on solar activity. This app is a convenient tool for anyone interested in space imagery.

Highlights
  • Download latest SoHO images
  • Display solar images
  • Push notifications for new images
  • Badge notification for new images
  • Image courtesy of SOHO consortium
Features
Read full description

SoHO Viewer is a simple application for downloading and displaying the latest images taken by the Solar and Heliospheric Observatory (SoHO). It includes push notifications so you can be notified by a badge on the application when new images are available. It was quoted as “one of the ten best free applications to have on your iphone if you like stargazing:” http://www.networkworld.com/news/2010/112210-free-iphone-stargazing-apps.html It appears in Mars 2015 edition of Sky And Telescope, page 70. Images are courtesy of SOHO consortium. SOHO is a project of international cooperation between ESA and NASA. If you had like to see images taken by Solar Dynamics Observatory (SDO) please use the SDO Viewer application.

About

Mars LTE

Explore Mars with detailed information about the Perseverance rover's mission. Learn about its search for ancient life, sample collection, and technology testing for future human exploration. Discover the Ingenuity helicopter's groundbreaking flight capabilities.

Highlights
  • Perseverance rover mission details
  • Search for ancient microbial life
  • Core sample collection and storage
  • Technology testing for human exploration
  • Ingenuity helicopter flight information
Features
Read full description

See Mars the way Perseverance sees it. Mars LTE brings you the raw images sent back by the Perseverance rover from Jezero Crater: rocks, sand ripples, distant hills, the rover's own robotic arm and its shadow on the Martian ground. New photos appear as soon as they are published, and every sol since the February 2021 landing is just a few taps away. BROWSE BY SOL • Opens on the latest sol (Martian day) with photos • Step one sol back or forward, or jump straight to Latest • Pick any Earth date from the calendar and see what the rover captured that sol FILTER BY CAMERA • Navcam, Hazcam, Mastcam-Z, SuperCam, SHERLOC, SkyCam and more • See at a glance how many photos each camera took • Every thumbnail is labelled with the camera that took it FULL-SCREEN VIEWER • Swipe left and right through every photo of the sol • Pinch or double-tap to zoom into the smallest details • See the sol, camera and time each photo was taken • Save your favourites to Photos or share them with friends DESIGNED FOR IPHONE AND IPAD • Dark Mode with a deep-space theme • Pull to refresh • Fast, smooth scrolling with image caching Mars LTE has no ads and doesn't collect any personal data. Images courtesy of NASA/JPL-Caltech. Mars LTE is an independent app and is not affiliated with or endorsed by NASA or JPL.

Screenshots

SoHO Viewer4 screens
Mars LTE4 screens

Verdict

The call

The clearest difference is rating: Mars LTE at 5.0 against SoHO Viewer's 3.4. SoHO Viewer's advantage is update cadence (every 2 months vs every 27 months) and ratings volume (19 vs 1). 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

Mars LTE holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: SoHO Viewer has 19 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SoHO Viewer ships an update every 2 months, Mars LTE every 27 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

Scorecard4 real differences · 6 level
SoHO Viewer versus Mars LTE: the parameters behind the verdict, then further details
ParameterSoHO ViewerMars LTE
PriceFreeFree
Rating3.4 (19 ratings)5.0 (1 ratings) — better
Positive reviews69.1% of reviews—
Number of ratings19 — better1
Update frequencyEvery 2 months — betterEvery 27 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.4
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperJérôme DiazTaylan Atasoy

Customer experience

SoHO Viewer

All ratings19 ratings
Positive57.9%
Neutral5.3%
Negative36.8%
Written reviews68 reviews
Positive69.1%
Neutral10.3%
Negative20.6%

Mars LTE

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SoHO Viewer

No in-app purchases

None

Mars LTE

No in-app purchases

Questions

Is SoHO Viewer free?
SoHO Viewer is free to download, with no in-app purchases.
Is Mars LTE free?
Mars LTE is free to download, with no in-app purchases.
Which has better reviews, SoHO Viewer or Mars LTE?
Mars LTE is rated higher. SoHO Viewer averages 3.4 out of 5 from 19 ratings, while Mars LTE averages 5.0 from 1 ratings.
Do SoHO Viewer or Mars LTE have ads?
Neither SoHO Viewer nor Mars LTE shows ads.
Which is updated more often, SoHO Viewer or Mars LTE?
SoHO Viewer ships an update every 2 months, and Mars LTE every 27 months. Most recently, SoHO Viewer was updated on October 21, 2026 and Mars LTE on October 23, 2026.

Other comparisons