Comparison

Rocket Simulator vs SkyEngine

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

Head to head
About

Rocket Simulator

Build and launch your own rockets in augmented reality. Assemble various rocket models, learn about their history and functions, and customize them with AI-generated stickers. Experience space exploration with different missions and modes.

Highlights
  • AR rocket assembly
  • Rocket model customization
  • Historical rocket information
  • AI sticker generation
  • Flight simulation
  • Educational facts about rockets
Features
Read full description

3… 2… 1… Liftoff! Are you ready to launch your very first space rocket? Assemble rockets in AR and launch it into outer space! VARIOUS ROCKET MODELS Just choose your favourite rocket model and let’s begin. ASSEMBLY PUZZLE Assemble all rocket parts in the right order and discover historical info about its creation and missions. Customize rockets with AI stickers. INTERESTING FACTS Read about every rocket in detail and learn the functions of each rocket part. Rocket models from all over the world are waiting for you! KEEP IN MIND: Some features are only available for Subscription holders. Paid version includes all rocket models, all missions, free mode, sharing, unlimited access to AR mode, unlimited sticker generation. Free version includes 2 rockets, 2 missions, 2 AR mode launches, 3 sticker generations. https://educationterra.com/privacy https://educationterra.com/tos

About

SkyEngine

Features
Read full description

SkyEngine is a realistic night sky viewer that transforms your phone into a portable planetarium. Whether you're camping under the stars or winding down for sleep, SkyEngine brings the beauty of the night sky to your fingertips. Point your phone at the sky and see exactly what's above you. SkyEngine uses your GPS location and compass to show an accurate, real-time view of stars, planets, and constellations from wherever you are. FEATURES Realistic Sky Rendering — Thousands of real stars rendered with accurate positions and brightness — Planets including the Moon, visible in their true locations — The Milky Way stretching across your sky — Realistic sky colors from sunset through deep night Compass Mode — Point your phone at the sky and the view follows — Labels appear on stars and planets as you look around — Constellation lines guide you through the night sky Ambient Sounds & Sleep Mode — Campfire crackling, crickets, wind, water, and calming drone music — Mix and match sounds to create your perfect atmosphere — Sleep timer with gentle fade-out (15, 30, 60, or 90 minutes) Visual Effects — Shooting stars streak across the sky at random — Aurora Borealis shimmering on the horizon — Warm campfire glow from below Customization — Adjust light pollution (Bortle 1–9) to match your real sky — Search any city worldwide to see its sky — Time controls: jump forward, backward, or animate the sky at any speed — Toggle constellations, labels, deep sky objects, and grid overlay Perfect for camping trips, bedtime relaxation, astronomy learning, or simply enjoying the beauty of the night sky from anywhere.

Screenshots

Rocket Simulator4 screens
SkyEngine4 screens

Verdict

The call

The clearest difference is in-app purchases: SkyEngine at none against Rocket Simulator's 6. SkyEngine also leads on ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price, 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

Both are free to download. Rocket Simulator sells 6 in-app purchases, starting at $6.99 per 7 days. SkyEngine asks for nothing beyond the download.

UpkeepUpdate frequency

Rocket Simulator ships an update every 2 months, SkyEngine every 8 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
Rocket Simulator versus SkyEngine: the parameters behind the verdict, then further details
ParameterRocket SimulatorSkyEngine
PriceFreeFree
Rating3.8 (422 ratings) — better—
Positive reviews10.2% of reviews—
Number of ratings422 — better—
Update frequencyEvery 2 monthsEvery 8 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size280 MB23 MB
Age rating4+4+
DeveloperEducation TerraZIRUI LYU

Bugs and requests

Rocket Simulator

Reported bugs

7 issues
  • Parts don't connect
  • No command center on launch
  • Rocket goes to sky and mission complete
  • Animations not shown correctly
  • Slow rollout animation
Show 2 more
  • Minimal launch animation
  • Typos in subtitles

Requested features

6 requests
  • Add command center
  • Add space exploration
  • Add more to the game
  • Add staging and space rocket control
  • Add other planets to land on
Show 1 more
  • Make it free

SkyEngine

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Rocket Simulator

Subscriptions6
  • Rocket Ship - 1 Week$6.997 Days
  • 1 Week Subscription$9.997 Days
  • Rocket Simulator: Spaceflight$19.991 Month
Show 3 more
  • Rocket Ship Building & Launch3 Days trial$20.991 Year
  • 3 Months Subscription3 Days trial$20.993 Months
  • 2 Months Subscription3 Days trial$39.992 Months
None

SkyEngine

No in-app purchases

Questions

Is Rocket Simulator free?
Rocket Simulator is free to download, with in-app purchases available.
Is SkyEngine free?
SkyEngine is free to download, with no in-app purchases.
Do Rocket Simulator or SkyEngine have ads?
Rocket Simulator shows ads; SkyEngine does not.
Which is updated more often, Rocket Simulator or SkyEngine?
Rocket Simulator ships an update every 2 months, and SkyEngine every 8 days. Most recently, Rocket Simulator was updated on October 12, 2026 and SkyEngine on October 9, 2026.

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