Comparison

Solar Walk vs WaferLab

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

Head to head
About

Solar Walk

Explore a detailed 3D model of our solar system and the universe. Interact with planets, moons, and satellites, and take virtual flights through space. Travel through time to see the universe's past and learn with educational movies.

Highlights
  • Interactive 3D solar system model
  • Virtual flights between celestial bodies
  • Time travel feature for historical views
  • Educational movies about space
  • Orrery and true-to-scale view modes
  • Milky Way Galaxy view
Features
Read full description

Solar Walk is an amazing 3D model of our Solar system bringing the universe to the palm of your hand and allowing you to interact with planets, satellites, moons, comets and other space objects anytime and anywhere. Start your fascinating journey through the realms of space and learn more about the universe we live in. *** Over 6 million users!*** *** National Parenting Publications Awards (NAPPA) - GOLD winner in the Educational Tools for Parents and Children category! *** *** A Parents’ Choice Gold Award Winner *** “Simply amazing.” - Macworld “Solar Walk serves up a visually impressive 3D model of our solar system. Set against a haunting, atmospheric soundscape, the app shows planets and satellites in their correct positions, and offers mini movies, facts and other related tidbits.” - TNW “This jaw-dropping app provides a wholly interactive 3D model of our solar system, one that’s had me hooked for days. It’s the kind of thing you can imagine a science teacher using in the classroom of the future — except that we don’t have to wait.” - CNet “Zoom from Mercury to Pluto (which makes the cut in this app), passing each planet’s moons along the way. Because Solar Walk knows what time it is, the planets are in proper orientation to the Sun: Earth is dark where it is currently night and gradually lightens to daytime on the other side.” - NY Times "It's great for showing my students the relative positions of the planets in the solar system, the satellites orbiting the Earth and our place in the galaxy. Awesome with a smartboard as well." - by jbrown61 Solar Walk enables you to: ► Observe the 3D model of our Solar system with all its objects in real time and in a proper orientation. Turn into an astronomer and explore planets, moons, satellites, asteroids, dwarf planets, comets, stars and other celestial bodies. Enjoy gorgeous graphics and visuals while navigating through the solar system. ► Make virtual flights from one space object to another. ► Travel in time and see what the universe and our Solar system looked like at a certain period. ► Find an exciting view of the Milky Way Galaxy. ► Watch a collection of educational solar system movies to learn about space-related topics including Earth's moon phases, Earth's cycles, tidal phenomena, and zodiacal constellations. ► Enjoy 3D planetarium with the help of special glasses and activating the anaglyph mode. ► Share interesting screenshots of the app with your friends. ► Choose the view mode comfortable for you (orrery/true-to-scale). The app contains In-App Purchases. Solar Walk is a great educational tool appropriate for both adults and children. The amount of information users can learn about the planets, moons, satellites and other celestial bodies is impressive. All information is age-appropriate and detailed. Animated video clips will make learning about our Solar system even more engaging. Start exploring the universe with Solar Walk!

About

WaferLab

Features
Read full description

Discover how a semiconductor device is made, process by process. WaferLab is an educational simulator and interactive encyclopedia dedicated to semiconductor manufacturing. Explore what happens inside a wafer fab, see how the wafer changes throughout each stage of fabrication, and dive deeper into technologies, equipment, materials, metrology, maintenance and the industry. PROCESS LAB Follow the fabrication process step by step across technologies such as NMOS, PMOS, CMOS, BCD and MEMS. Each stage shows what happens to the wafer, why the process is performed, which equipment is used and what result it produces. Synchronized visualizations let you follow the evolution of the device structure through dedicated views, including cross-section and an educational microscope. Each technology also includes a complete process guide designed to connect individual steps with the bigger picture of semiconductor fabrication. FAB LIBRARY Explore the world of semiconductor manufacturing through a technical library organized by topic: • fabrication processes • equipment and operating principles • device technologies and structures • cleanrooms and fab organization • roles and careers • preventive and corrective maintenance • metrology, defects and process control • yield, quality, KPIs and SPC • manufacturing and wafer flow • technical glossary INDUSTRY Explore the real-world semiconductor ecosystem, from design and manufacturing to wafer testing, packaging and final test. WaferLab introduces companies and key players across the supply chain, connecting them to the technologies, processes and equipment covered in the app to help you understand how the different parts of the semiconductor industry work together. LEARN VISUALLY WaferLab combines technical explanations with hundreds of educational visuals, procedural wafer-state representations, diagrams and multimedia content. Process Lab views are generated from the same process state, keeping the wafer transformation consistent from one step to the next. DESIGNED FOR CURIOUS MINDS, STUDENTS AND PROFESSIONALS Whether you’re discovering semiconductor manufacturing for the first time, studying the industry or already working in a fab environment, WaferLab lets you explore the entire process at different levels of depth. ALWAYS AVAILABLE Core content is built into the app and available offline. No account, no ads and no subscription required. WaferLab does not replace technical documentation, operating procedures or professional training. Visualizations and simulations are intended for educational purposes and do not represent proprietary process recipes.

Screenshots

Solar Walk4 screens
WaferLab4 screens

Verdict

The call

The clearest difference is price: WaferLab at Free against Solar Walk's $4.99. WaferLab also leads on in-app purchases (none vs 10) and update cadence (every 2 days vs every 5 months). On ads, device support and iOS requirement 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

WaferLab is free to download; Solar Walk costs $4.99 up front. Solar Walk sells 10 one-off in-app purchases. WaferLab asks for nothing beyond the download.

UpkeepUpdate frequency

Solar Walk ships an update every 5 months, WaferLab every 2 days. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Solar Walk versus WaferLab: the parameters behind the verdict, then further details
ParameterSolar WalkWaferLab
Price$4.99Free — better
Rating4.7 (8.2K ratings) — better—
Positive reviews72.2% of reviews—
Number of ratings8.2K — better—
Update frequencyEvery 5 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size451 MB77 MB
Age rating4+4+
DeveloperVito Technology Inc.DARIO POMETTI

Bugs and requests

Solar Walk

Reported bugs

4 issues
  • App crashes on launch for some users
  • In-app purchases not working correctly
  • Freezing and performance issues on older devices
  • Incorrect planet/moon positioning and timing

Requested features

5 requests
  • Add more planets, moons, and objects to the solar system
  • Expand to include other star systems and galaxies
  • Improve navigation and controls for easier exploration
  • Offer more free content instead of paid add-ons
  • Fix reported bugs and crashes

WaferLab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Solar Walk

One-time10
  • Cycles of the Earth SystemFree
  • Major Circles of LatitudeFree
  • Movies BundleFree
Show 7 more
  • 3D Satellites in Real TimeFree
  • Planets of the Solar SystemFree
  • What is a Solar Eclipse?Free
  • The Moon Phases ExplanationFree
  • Zodiacal ConstellationsFree
  • High Resolution Bundle$1.99
  • All Additional Content - Sale$2.99
None

WaferLab

No in-app purchases

Questions

Is Solar Walk free?
Solar Walk costs $4.99, and also offers in-app purchases.
Is WaferLab free?
WaferLab is free to download, with no in-app purchases.
Do Solar Walk or WaferLab have ads?
Neither Solar Walk nor WaferLab shows ads.
Which is updated more often, Solar Walk or WaferLab?
Solar Walk ships an update every 5 months, and WaferLab every 2 days. Most recently, Solar Walk was updated on November 12, 2026 and WaferLab on October 31, 2026.

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