Comparison

Solar Walk 2 vs Rhythm · Advanced Studies

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

Head to head
About

Solar Walk 2

Explore our Solar System with detailed 3D models of planets, moons, and spacecraft. Discover celestial events, track space missions, and travel through time and space with an interactive encyclopedia. Stay updated with the latest astronomy news.

Highlights
  • 3D Solar System model
  • Interactive space encyclopedia
  • Astronomy calendar
  • Time and space travel
  • Space mission tracking
  • 360-degree panoramic images
Features
Read full description

Solar Walk 2 is a powerful tool for exploring our Solar system. The app takes you on a fascinating trip through the vast realms of space and introduces an amazing Solar system model with beautiful 3D representations of the Sun, the Moon, planets, satellites, planetary atmospheres and other space objects in the smallest details. Being a new way to view the Solar system and explore the most outstanding space missions, Solar Walk 2 stands out among other astronomy applications with its stunning visuals, graphics and attractive interface. *** Best of 2016 *** "A must-have for solar system enthusiasts." - Star Mapping "The application is entertaining and useful as an astronomy educational tool." - MyMac "A great way for users of any age to learn more about astronomy." - AppAdvice "A peerless educational tool in astronomy boasting dazzling 3D visuals of solar flares, planetary atmospheres, auroras, and asteroid belts to deliver a unique space experience with unprecedented authenticity." - Appolicious Main features: ● 3D model of our Solar system ● Interactive space encyclopedia ● Astronomy calendar with various celestial events ● Travel in time and space ● Space missions and the history of space exploration ● Fantastic 3D models of spacecraft ● 360 degree images - panoramic photos of our Solar system ● "What's new" section with the latest news from the world of space and astronomy ► With Solar Walk 2 you will be able to see highly-elaborated and realistic 3D models of spacecraft, satellites and interplanetary stations in real action. You will see where they started, track the real trajectory of their flight path, watch gravitational maneuvers, view real pictures made during the missions. ► Enjoy observing fascinating 3D representations of Solar system objects and various deep space objects. The list is growing! We’re eager to add new dwarf planets, missions and more facts about space! All celestial bodies are represented in their correct positions in real time and provided with the detailed information. ► Astronomy calendar of Solar Walk 2 includes various astronomical events and events related to space exploration (the launching of satellites, the first landing on the moon, etc). Choose any date and time and travel in time observing the most interesting celestial events of different periods. ► Wonderful panoramic photos of space objects. Fascinated by the beauty of the Solar system, want to capture celestial objects in their glory? You can select any object, make a panoramic photo and share it on Facebook. Share the beauty of our universe with your friends. ► Be aware of the latest news from the world of space and astronomy with Solar Walk 2. The app's "What's new" section will inform you about the most outstanding celestial events in time. You won't miss the latest astronomy news. Solar Walk 2 is an excellent educational tool perfect for both adults and children who are interested in astronomy and space exploration. How is it different from Solar Walk? Solar Walk 2 has all-new graphics, interface and updated planetary textures. Your exploration of the Solar system in Solar Walk 2 is guided by a carefully handpicked calendar, a collection of simulations of celestial events with stunning visuals. You can still fly around the Solar system and explore it on your own, like in Solar Walk 1, but now you have a comprehensive tour guide at your disposal. The app contains In-App Purchases (Premium access). Premium access allows you to enjoy space missions, satellites, celestial events, asteroids, dwarf planets and comets. Unlock Premium access to the history of space exploration and man-made spacecraft. Travel with Voyager 1, see how gravity assists helped Cassini get to the outer edges of the Solar system, and explore Hubble as if you were right next to it. Note: Solar Walk users with the app installed on device get unlimited access at a discount. Start exploring the Universe with Solar Walk 2!

About

Rhythm · Advanced Studies

Read full description

The ‘Rhythm’ app is a metronome that is designed for users of the textbook ‘Rhythm’ by Erik Højsgaard to aid you in your advanced studies. The app has four features: • A metronome for all exercises in the textbook that deal with irregular time signatures, metric modulations, irrational meter, polymeter etc. In the textbook these exercises are identified by a tiny metronome symbol in front of the tempo marking. • A metronome that can be used for all other exercises. • A section to train the correct tempo-identification, ‘Tap the pulse’ • A section to identify the correct tempo, ‘Guess the tempo’ The metronome has a precision of ±20 milliseconds. The English and Danish version of the textbook is published by Aarhus University Press: unipress.dk and the Italian version is published by Volontè&Co: volontè.it.

Screenshots

Solar Walk 24 screens
Rhythm · Advanced Studies4 screens

Verdict

The call

The clearest difference is in-app purchases: Rhythm · Advanced Studies at none against Solar Walk 2's 7. Rhythm · Advanced Studies also leads on update cadence (fortnightly vs every 2 months). Solar Walk 2's advantage is price ($2.99 vs $6.99) and device support (4 vs 2). On ads 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

Solar Walk 2 costs $2.99 and Rhythm · Advanced Studies $6.99 up front. Solar Walk 2 sells 7 one-off in-app purchases. Rhythm · Advanced Studies asks for nothing beyond the download.

UpkeepUpdate frequency

Solar Walk 2 ships an update every 2 months, Rhythm · Advanced Studies fortnightly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
Solar Walk 2 versus Rhythm · Advanced Studies: the parameters behind the verdict, then further details
ParameterSolar Walk 2Rhythm · Advanced Studies
Price$2.99 — better$6.99
Rating4.7 (7.3K ratings) — better—
Positive reviews74.9% of reviews—
Number of ratings7.3K — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size803 MB13 MB
Age rating4+4+
DeveloperVito Technology Inc.Marie Dahl Hoejsgaard

Bugs and requests

Solar Walk 2

Reported bugs

2 issues
  • Crashes on Apple Watch
  • Difficulty applying real-time settings

Requested features

5 requests
  • Add more minor moons and dwarf planets
  • Improve zoom functionality to allow for smoother transitions
  • Integrate more up-to-date information on space missions and satellites
  • Add support for exoplanets, black holes, and the Milky Way galaxy
  • Implement a free-flight mode to explore the solar system freely

Rhythm · Advanced Studies

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Solar Walk 2

One-time7
  • Premium Access for a month$0.99
  • Premium Access for 3 months$1.99
  • Premium Access for 6 months$2.99
Show 4 more
  • Premium Access: Special Offer$2.99
  • Access for Solar Walk users$4.99
  • Premium Access for a year$5.99
  • Space Exploration Encyclopedia$8.99
None

Rhythm · Advanced Studies

No in-app purchases

Questions

Is Solar Walk 2 free?
Solar Walk 2 costs $2.99, and also offers in-app purchases.
Is Rhythm · Advanced Studies free?
Rhythm · Advanced Studies costs $6.99, with no in-app purchases.
Do Solar Walk 2 or Rhythm · Advanced Studies have ads?
Neither Solar Walk 2 nor Rhythm · Advanced Studies shows ads.
Which is updated more often, Solar Walk 2 or Rhythm · Advanced Studies?
Solar Walk 2 ships an update every 2 months, and Rhythm · Advanced Studies fortnightly. Most recently, Solar Walk 2 was updated on November 1, 2026 and Rhythm · Advanced Studies on October 29, 2026.

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