Comparison

Space Frontier 2 vs Interplanetary III

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

Head to head
About

Space Frontier 2

Embark on an epic space adventure across numerous solar systems and planets. Discover new technologies, customize your fleet with unique spaceship styles, and strive to rule the galaxy in this expansive exploration game.

Highlights
  • 50 Solar Systems to conquer
  • Hundreds of planets to colonize
  • 50 Spaceship technologies
  • Unique spaceship styles
  • Rule the Galaxy
Features
Read full description

Space adventure awaits! And this time, humanity has no limits! Space Frontier 2 is the sequel to the insanely popular Space Frontier, a game that rose to the stratosphere with 25+ Million downloads. We listened to your feedback and came up with something beyond imaginable! You now get: ◉ 50 Solar Systems to conquer! ◉ Hundreds of planets to colonize! ◉ 50 Spaceship technologies! ◉ Crazy Spaceship styles like Laika the Dog, Tisla Roadster, Pirate Ship! ◉ Opportunity to Rule the Galaxy! SUBSCRIPTION TERMS Weekly Elite Membership offers a weekly subscription, you will have a 3-days FREE trial period, after this period you will be charged $7,99. After buying this subscription, you will unlock an exclusive TISLA Spaceship Capsule, 20 astronauts on each launch, Double Coins on everything and Remove Ads. This is an Auto-renewable subscription. The payment is charged to your account after confirmation. The subscription is renewed unless you turn it off 24 hours before the period ends. Your account will be charged for renewal as well. The prices are established for United States customers. Pricing in other countries may change and actual charges may be converted to your local currency. End of trial and subscription renewal: • The payment is charged to your account after a confirmation of purchase. • The subscription is renewed unless you turn it off 24 hour before the end of the current period. • The account will be charged for renewal within 24 hours before the end of the current period at the cost of the weekly subscription. • The user may manage the subscription and auto-renewal have to be turned off by going to the user’s account settings after purchase. • No cancellation of the current subscription is allowed during the active subscription period. Canceling a trial or a subscription: • If you want to cancel a subscription during its free trial, you have to cancel it through your account. This must be done at least 24 hours before the end of the free trial period to avoid being charged. Please visit https://support.apple.com/HT207865 Privacy Policy and Terms of use : http://ubimobile.com/termsofuse/index.html If you have any questions, feel free to contact us at contact@ketchappgames.com

About

Interplanetary III

Experience an immersive 3D rocket simulation game. Launch, fly, and control renowned rockets from around the world to destinations like the Moon and Mars. Navigate through space encountering meteorites and asteroids for a thrilling journey.

Highlights
  • 3D rocket simulation
  • Launch and fly rockets
  • Control renowned rockets
  • Explore Moon and Mars
  • Encounter space phenomena
  • Simple launch mechanics
Read full description

Interplanetary III is an immersive 3D rocket simulation game that lets you launch, fly, and control any rocket with ease. EARTHSHAKING ROCKETS It features renowned rockets and spacecraft from all over the world. Different rockets have different capabilities. Pick your favorite one and launch them into space! GROUNDBREAKING EXPERIENCE To provide the most thrilling experience possible, we eliminated unnecessary procedures and made it extremely simple to launch and fly a rocket while keeping the inherent danger of space travel. The game also features destinations such as the Moon, Mars, and other planets. So you can land your spacecraft anywhere you want! Or make a flyby if you don’t feel like landing. BREATHTAKING JOURNEYS The journey is as exciting as the destination. Meteorites, asteroids, and nebulae? You will never know what to expect while flying. Watch the Trailer: https://www.youtube.com/watch?v=T851ax9QXk4

Screenshots

Space Frontier 24 screens
Interplanetary III4 screens

Verdict

The call

The clearest difference is price: Space Frontier 2 at Free against Interplanetary III's $0.99. Space Frontier 2 also leads on ratings volume (47K vs 23) and rating (4.7 vs 4.5). Interplanetary III's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On review sentiment, in-app purchases 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

Space Frontier 2 is free to download; Interplanetary III costs $0.99 up front. Space Frontier 2 sells 2 in-app purchases, starting at $7.99 per 7 days and Interplanetary III sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Space Frontier 2 holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Space Frontier 2 has 47K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 39% of Space Frontier 2's written reviews are positive against 33% of Interplanetary III's.

UpkeepUpdate frequency

Space Frontier 2 ships an update monthly, Interplanetary III every 2 weeks. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 3 level
Space Frontier 2 versus Interplanetary III: the parameters behind the verdict, then further details
ParameterSpace Frontier 2Interplanetary III
PriceFree — better$0.99
Rating4.7 (47K ratings) — better4.5 (23 ratings)
Positive reviews38.9% of reviews — better33.3% of reviews
Number of ratings47K — better23
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemium — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.011.0 — better
Further details — not scored
Size285 MB338 MB
Age rating12+4+
DeveloperKetchappWenda Li

Customer experience

Space Frontier 2

All ratings47,089 ratings
Positive93.4%
Neutral3.7%
Negative3.0%
Written reviews1,103 reviews
Positive38.9%
Neutral13.3%
Negative47.8%

Interplanetary III

All ratings23 ratings
Positive87.0%
Neutral0.0%
Negative13.0%
Written reviews9 reviews
Positive33.3%
Neutral11.1%
Negative55.6%

Bugs and requests

Space Frontier 2

Reported bugs

5 issues
  • Offline earnings not tracking correctly
  • Game crashes after reaching certain progress
  • Ads causing game to freeze or crash
  • Sound issues (music cutting out)
  • Glitches with astronaut count and progression

Requested features

5 requests
  • Add more planets and galaxies
  • Ability to rename planets
  • Offline earnings tracking
  • Customization options for rockets
  • Ability to view progress on colonized planets

Interplanetary III

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Space Frontier 2

Subscriptions1
  • Elite Membership3 Days trial$7.997 Days
One-time1
  • No Ads$2.99
4 purchases

Interplanetary III

One-time4
  • One Cosmic Cube$1.99
  • Three Cosmic Cubes$4.99
  • Six Cosmic Cubes$8.99
Show 1 more
  • Own All Rockets$19.99

Questions

Is Space Frontier 2 free?
Space Frontier 2 is free to download, with in-app purchases available.
Is Interplanetary III free?
Interplanetary III costs $0.99, and also offers in-app purchases.
Which has better reviews, Space Frontier 2 or Interplanetary III?
Space Frontier 2 is rated higher. Space Frontier 2 averages 4.7 out of 5 from 47K ratings, while Interplanetary III averages 4.5 from 23 ratings.
Do Space Frontier 2 or Interplanetary III have ads?
Space Frontier 2 shows ads; Interplanetary III does not.
Which is updated more often, Space Frontier 2 or Interplanetary III?
Space Frontier 2 ships an update monthly, and Interplanetary III every 2 weeks. Most recently, Space Frontier 2 was updated on October 15, 2026 and Interplanetary III on October 3, 2026.

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