Comparison

Science Now vs Trailer Shopper

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

Head to head
About

Science Now

Stay updated with the latest scientific research and discoveries delivered directly to your mobile device. Explore space exploration, technological breakthroughs, and environmental data from leading organizations.

Highlights
  • Latest scientific research and discoveries
  • Space exploration and innovation news
  • Technological breakthroughs
  • Radiation readings and space weather
  • Data and imagery from NASA, NIST, NOAA
Features
Read full description

Science Now directs the latest scientific research and discoveries to your mobile device, including information on space exploration, discovery, technology, and innovation from NASA, technical and scientific breakthroughs from NIST, the latest radiation readings from worldwide monitors and space weather from NOAA. All data and imagery is courtesy of NASA, NIST, NOAA, and SafeCast. The Premium Upgrade subscription price of 0.99 USD (in your local currency) will be charged to your iTunes account at confirmation of purchase and, for each renewal, within 24 hours prior to the end of the current month. You can cancel the subscription at any time through your iTunes account settings, but you must do so at least 24 hours before the end of the current month to avoid being charged, and ads will show again at the start of the subsequent month. Terms of use: https://www.kellytechnology.com/privacy/tac.html Privacy policy: https://www.kellytechnology.com/privacy/privacy_policy.html

About

Trailer Shopper

Discover and purchase new and used trailers from dealers and private sellers. Browse over 10,000 listings across the US with a user-friendly mobile interface.

Highlights
  • Discover new and used trailers
  • Browse listings by dealers/private sellers
  • 10,000+ new and used trailers
  • 2000+ dealers across US
  • All manufactured trailer types
Features
Read full description

Buy & Sell New & Used Trailers with the TrailerShopper.com app. * Discover New & Used Trailers by Dealers/Private Sellers on your Phone/Tablet * 10,000+ New & Used Trailers * 2000+ Dealers Across US * Over 10 Years of Experience in our Sales Staff * All Different Manufactured Trailer Types at the tips of your fingers.

Screenshots

Science Now4 screens
Trailer Shopper2 screens

Verdict

The call

The clearest difference is review sentiment: Trailer Shopper at 100% against Science Now's 43%. Trailer Shopper also leads on in-app purchases (none vs 3) and ads (none vs shown). Science Now's advantage is ratings volume (140 vs 1). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Science Now sells 3 in-app purchases, starting at $0.99 per month. Trailer Shopper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Trailer Shopper holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Science Now has 140 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Science Now's written reviews are positive against 100% of Trailer Shopper's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Science Now versus Trailer Shopper: the parameters behind the verdict, then further details
ParameterScience NowTrailer Shopper
PriceFreeFree
Rating4.6 (140 ratings)5.0 (1 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings140 — better1
Update frequencyEvery 3 monthsEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.07.0 — better
Further details — not scored
Size69 MB2 MB
Age rating12+4+
DeveloperKelly Technology Inc.Trailer Shopper®

Customer experience

Science Now

All ratings140 ratings
Positive87.1%
Neutral8.6%
Negative4.3%
Written reviews14 reviews
Positive42.9%
Neutral7.1%
Negative50.0%

Trailer Shopper

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Science Now

Subscriptions1
  • Premium Upgrade$0.991 Month
One-time2
  • Space Weather$4.99
  • Remove Ads$6.99
None

Trailer Shopper

No in-app purchases

Questions

Is Science Now free?
Science Now is free to download, with in-app purchases available.
Is Trailer Shopper free?
Trailer Shopper is free to download, with no in-app purchases.
Which has better reviews, Science Now or Trailer Shopper?
Trailer Shopper is rated higher. Science Now averages 4.6 out of 5 from 140 ratings, while Trailer Shopper averages 5.0 from 1 ratings.
Do Science Now or Trailer Shopper have ads?
Science Now shows ads; Trailer Shopper does not.
Which is updated more often, Science Now or Trailer Shopper?
Science Now ships an update every 3 months, and Trailer Shopper every 3 months. Most recently, Science Now was updated on November 1, 2026 and Trailer Shopper on November 3, 2026.

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