Comparison

Stratoflights vs universe2go+

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

Head to head
About

Stratoflights

This app guides you through every step of launching a stratospheric weather balloon, from planning and equipment selection to launch and data analysis. It provides mobile tools for real-time weather monitoring, mission checklists, helium calculations, and flight path predictions.

Highlights
  • Step-by-step mission planning
  • Equipment selection guidance
  • Permit organization
  • Mobile weather forecast monitoring
  • Launch day checklist
  • Helium and balloon gas calculator
  • Flight route prediction
Features
Read full description

To start your own space mission, this app accompanies you step by step through your stratospheric mission, giving you breathtaking shots from 40,000 feet up. From setting goals, planning your mission, choosing the equipment that suits you best, organizing permits, launching your weather balloon, and recovering and analyzing data logger results, the app will guide you through the entire stratosphere project. Whether you plan your mission privately, with friends, as part of a technical work or the stratosphere flight as a teacher with your students, here you will find all the answers to your questions. The app offers the possibility to use different tools mobile and promptly directly at the place of departure. Thus, you can react immediately to changes mobile: Weather forecast: Monitor the weather in your starting region. Our traffic light system checks the conditions on the starting day and predicts whether it is possible to start your weather balloon at the scheduled time or, if necessary, choose the alternative date. Checklist: Did we really think of everything? The checklist is the ultimate control system, so you're guaranteed to make no mistake during the excitement on the launch day. Helium Calculator: How much helium / balloon gas does my weather balloon need? Calculate the required amount of helium / balloon gas directly at the launch site or adjust the ascent rate / maximum ascent in the last second, for example. Flight route prediction: Where does my probe land if I start the weather balloon in the next two minutes? Use the mobility of the app to accurately predict your flight path to within a few miles and, if necessary, to adapt to changes in the amount of helium / balloon gas. In any case, the Stratoflights app is part of every stratosphere mission. Take advantage of the mobile advantages of the tools and the checklist, so that your mission will not only turn into an adventure of a special kind, but an experience that you will never forget. Promised!

About

universe2go+

Explore the night sky with an augmented reality guide. This app provides audio and visual information about stars, constellations, and deep-sky objects, enhanced by your smartphone's sensors and an AR viewer.

Highlights
  • Augmented reality sky viewing
  • Over 3 hours of audio narration
  • Extensive star and object catalog
  • Context-aware see-through AR
  • Multiple exploration modes (Starter, Mythology, Deep-Sky)
  • Automatic sensor recalibration
Features
Read full description

universe2go+ is an audio-visual sky guide specially designed for usage with the augmented reality (AR) viewer universe2go+. universe2go+ contains more than 3 hours of excellent audio (available in english, German, French and Spanish) and hundreds of specially processed images. It contains more than 2 million star comprising the complete Hipparcos star catalogue (120.000 stars), stars from the GAIA catalogue and NGC catalogue (7.000 objects). In conjunction with the AR-Astro-Glassses (AR = augmented reality) you can see the night sky with all the stars AND at the same time you will see additional information about the stars and constellations. This way a symbiosis between the real sky and virtual graphics and text is created. universe2go+ will use the sensors of your smartphone to generate the corresponding information for the exact spot of the sky that you are looking at. Maybe you are already familiar with some other starmap apps which can do this also, but universe2go+ is very different! In Planetarium-Mode (when the smartphone is inserted into the AR-viewer) it will guide you through the night sky and has 3 major advantages compared to other planetarium apps: 1) universe2go+ uses a special algorithm and heuristics to identify the star you are looking at with high reliability. In addition it will use the camera of your smartphone to recalibrate the sensors every time you keep the device still. 2) universe2go+ displays the constellations the same size and the same place as the appear in the sky. This is called context aware see-through augmented reality. This makes it much easier for the beginner to do the matching between digital content and reality. 3) universe2go+ is fun. You get an automatically activated zoom, that will show you planets, nebulae, galaxies, satellites and much more. That's super cool and fun. universe2go+ has several modes so you can explore the night sky in many different ways: 1) Starter-Mode: explore all 88 official constellations. See lines connecting the appropriate stars and listen to information describing the constellation. 2) In addition to Starter mode get more detailed information about prominent stars. 3) Mythology-Mode: listen to entertaining stories about the constellations which have been told by the ancient greeks. This way you will easily learn much about the heroes of old, Gods, Beasts and beautiful princesses. 4) Deep-Sky-Mode: see images (most of the from the Hubble Space Telescope) of planets, nebulae, star clusters, galaxies, comets, satellites in a way that would be impossible even with the best telescope. In star map mode the universe2go+ app can be used without the augmented reality viewing device. NOTICE: will need the universe2go+ Astro-Glasses to use the Modes Starter, Discovery, Mythology and Deep-Sky. (see universe2go.com for more information) Compatible with all iPhones with IOS version 12.0 and above. Runs also on iPad. The App universe2go+ can also be used with the first version of the universe2go AR-Viewer, but the camera support will not be available, due of the closed lid.

Screenshots

Stratoflights4 screens
universe2go+4 screens

Verdict

The call

The clearest difference is review sentiment: universe2go+ at 100% against Stratoflights's 75%. universe2go+ also leads on iOS requirement (12.0 vs 15.0). Stratoflights's advantage is update cadence (every 2 months vs every 7 months). 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.

UpkeepUpdate frequency

Stratoflights ships an update every 2 months, universe2go+ every 7 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Stratoflights versus universe2go+: the parameters behind the verdict, then further details
ParameterStratoflightsuniverse2go+
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size22 MB94 MB
Age rating4+9+
DeveloperStratoflights GbRinnospiring GmbH

Customer experience

Stratoflights

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

universe2go+

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Stratoflights

No in-app purchases

None

universe2go+

No in-app purchases

Questions

Is Stratoflights free?
Stratoflights is free to download, with no in-app purchases.
Is universe2go+ free?
universe2go+ is free to download, with no in-app purchases.
Do Stratoflights or universe2go+ have ads?
Neither Stratoflights nor universe2go+ shows ads.
Which is updated more often, Stratoflights or universe2go+?
Stratoflights ships an update every 2 months, and universe2go+ every 7 months. Most recently, Stratoflights was updated on November 3, 2026 and universe2go+ on November 4, 2026.

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