Comparison

Zombie Infinity vs Space Outpost

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

Head to head
About

Zombie Infinity

Embark on a solo journey through a zombie-infested city to locate other survivors. Battle swarms of dangerous creatures and overcome threats beyond just the undead to reach the end.

Highlights
  • One-handed gameplay
  • Defeat enemy hordes
  • Collect coins
  • Acquire rare gear
  • Combine over 100 items
  • Create ultimate setups
Features
Read full description

You might be the only one left… Set off on a journey through a zombie-infested city to find other survivors! As you continue your journey, you’ll realize that zombies aren’t the only threat. Take down swarms of dangerous creatures and survive until the end! Game Features: • Take down hordes of enemies with just one hand! • Collect coins by defeating enemies and get rare gear! • Combine over 100 items to create the ultimate setup!

About

Space Outpost

Defend your space outpost from relentless enemy waves in this idle tower defense game. Upgrade your warship, deploy powerful towers, and unlock advanced weapons to survive galactic battles. Conquer star systems and climb leaderboards in an immersive sci-fi experience.

Highlights
  • Warship customization
  • Tower defense combat
  • Galactic campaign
  • Endless Mode
  • High-tech weapons
  • Real-time strategy
Features
Read full description

In the vast cosmos, your space outpost is under siege! As the fleet commander, you must upgrade your warship, deploy defense towers, unlock powerful weapons, and outsmart relentless enemy waves. Only the strongest warship can survive in this galaxy! Key Features: -Deep Warship Customization Build and upgrade defense towers to fortify your space fortress! Unlock high-tech weapons to craft your combat style! Activate critical abilities to turn the tide of battle! -Dynamic Tower Defense Combat Real-time attack & defense! Choose upgrades and use your strategy to power up. Hold off enemy swarms while launching counterstrikes to destroy the boss! Each wave brings new threats, adapt your tactics on the fly! -Epic Galactic Campaign Conquer battlefields across star systems—from asteroid belts to black hole frontiers! Face off against colossal bosses, decode their attack patterns, and claim rare rewards! Test your limits in Endless Mode and climb the galactic leaderboards! -Immersive Sci-Fi Experience Stunning particle effects and futuristic UI plunge you into deep-space warfare! Pulse-pounding synthwave soundtrack fuels every explosion and victory! Unlock warship skins and commander badges to showcase your style! Commander, the fate of the galaxy rests in your hands! Fire up your engines and join the battle in this idle TD game Space Outpost!

Screenshots

Zombie Infinity4 screens
Space Outpost4 screens

Verdict

The call

The clearest difference is review sentiment: Zombie Infinity at 79% against Space Outpost's 17%. Zombie Infinity also leads on rating (4.6 vs 3.9) and ads (none vs shown). On price, update cadence, 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. Zombie Infinity sells 20 one-off in-app purchases and Space Outpost sells 16 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Zombie Infinity holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 107 and 30 respectively. Written reviews point the same way: 79% of Zombie Infinity's written reviews are positive against 17% of Space Outpost's.

UpkeepUpdate frequency

Zombie Infinity ships an update every 11 days, Space Outpost weekly. Both last shipped on September 21, 2026.

Scorecard5 real differences · 5 level
Zombie Infinity versus Space Outpost: the parameters behind the verdict, then further details
ParameterZombie InfinitySpace Outpost
PriceFreeFree
Rating4.6 (107 ratings) — better3.9 (30 ratings)
Positive reviews78.9% of reviews — better16.7% of reviews
Number of ratings107 — better30
Update frequencyEvery 11 daysWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size742 MB346 MB
Age rating12+4+
Developerkamasu.jp Inc.CYBERJOY LIMITED

Customer experience

Zombie Infinity

All ratings107 ratings
Positive90.7%
Neutral3.7%
Negative5.6%
Written reviews71 reviews
Positive78.9%
Neutral5.6%
Negative15.5%

Space Outpost

All ratings30 ratings
Positive66.7%
Neutral6.7%
Negative26.7%
Written reviews24 reviews
Positive16.7%
Neutral20.8%
Negative62.5%

Bugs and requests

Zombie Infinity

Reported bugs

9 issues
  • Game freezes frequently
  • Game crashes sometimes
  • Login event not showing
  • Cannot watch ads
  • Premium pass not syncing across devices
Show 4 more
  • Game stuck after winning a level
  • Zero damage issue
  • Cannot go to gacha
  • Progress not syncing between devices

Requested features

8 requests
  • Add more game modes
  • Implement item level inheritance
  • Allow resource refund for upgraded items
  • Add offline resource collection
  • Allow character appearance/trait changes
Show 3 more
  • Add a feature to sell all items in inventory
  • Add a feature to downgrade items
  • Add a feature to reset used upgrade materials

Space Outpost

Not enough reviews yet to summarise bugs or requests.

In-app purchases

20 purchases

Zombie Infinity

One-time20
  • Special Offer A$0.99
  • Special Offer B$3.99
  • 500 Gems$3.99
Show 17 more
  • Special Offer C$6.99
  • Special Offer D$9.99
  • Featured Equipment A$9.99
  • Premium Pass$9.99
  • Value Item Pack A$9.99
  • Ad Skip Pass$9.99
  • Infinite Energy Pass$9.99
  • Featured Equipment B$14.99
  • Featured Equipment C$19.99
  • 2800 Gems$19.99
  • Value Item Pack B$19.99
  • Featured Equipment D$34.99
  • Value Item Pack C$39.99
  • Special Offer I$69.99
  • Value Item Pack D$69.99
  • Special Offer J$99.99
  • Value Item Pack E$99.99
16 purchases

Space Outpost

One-time16
  • Starter Pack 1$2.99
  • Stage 1-10 Completion Pack$2.99
  • Stage 1-5 Completion Pack$3.99
Show 13 more
  • Gem Pack 1$4.99
  • Task Pass - Elite$4.99
  • Surprise Pack 1$4.99
  • Abyss Pass - Conqueror$7.99
  • Starter Pack 2$7.99
  • SVIP Monthly$7.99
  • Gem Pack 2$9.99
  • Stage 2-5 Completion Pack$11.99
  • Task Pass - Premium$14.99
  • Gem Pack 3$19.99
  • Starter Pack 3$23.99
  • SVIP Lifetime$39.99
  • Gem Pack 4$49.99

Questions

Is Zombie Infinity free?
Zombie Infinity is free to download, with in-app purchases available.
Is Space Outpost free?
Space Outpost is free to download, with in-app purchases available.
Which has better reviews, Zombie Infinity or Space Outpost?
Zombie Infinity is rated higher. Zombie Infinity averages 4.6 out of 5 from 107 ratings, while Space Outpost averages 3.9 from 30 ratings.
Do Zombie Infinity or Space Outpost have ads?
Space Outpost shows ads; Zombie Infinity does not.
Which is updated more often, Zombie Infinity or Space Outpost?
Zombie Infinity ships an update every 11 days, and Space Outpost weekly. Most recently, Zombie Infinity was updated on September 21, 2026 and Space Outpost on September 21, 2026.

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