Comparison

Space Tower vs Space Blue

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

Head to head
About

Space Tower

Command a galactic defense to protect your space tower from alien invaders. Strategically upgrade your tower's abilities and weapons to withstand relentless waves of enemies and defeat powerful bosses. Enjoy idle gameplay with ample rewards, even while offline.

Highlights
  • Idle tower defense gameplay
  • Strategic tower defense
  • Upgrade basic abilities
  • Activate powerful weapons
  • Unlock and improve tech abilities
  • Defend against alien attacks
  • Battle mighty bosses
Features
Read full description

This is a tower defense battle in the galaxy, and you’ve been appointed to be the commander. Choose upgrades and use your strategy to make it an indestructible tower. To defend against aliens’ attacks is your final goal! What you can do: -Upgrade the strength of basic abilities -Activate and develop powerful weapons -Upgrade techs to unlock and improve abilities Game Features: -Idle tower defense gameplay -Defend the space tower with strategy -Mighty bosses await you in each galaxy chapter -Lots of rewards, even when you take a cruise Attack wave after wave of space aliens, defend the tower from mighty bosses and achieve the final success in this idle space TD battle! Let’s start this space adventure, my commander!

About

Space Blue

Features
Read full description

Space Blue Embarque em SpaceBlue! Escolha sua nave e destrua os asteróides controlados artificialmente pelos vilões que ameaçam o universo. Os vilões conseguem manipular aos asteróides, formando escudos com formas geométricas como quadrados, triângulos e círculos. Ao mesmo tempo, várias asteróides se desprendem dessas formações para colidir com qualquer coisa que estiver no caminho. SpaceBlue é um jogo casual, perfeito para passar o tempo e desafiar suas habilidades. Veja até onde você consegue chegar e qual a maior pontuação que você pode alcançar. A cada iteração, a dificuldade aumenta, proporcionando um desafio constante. O Joystick e informações voce consegue editar para ficar na direita ou esquerda e desabilitar os sons. SpaceBlue também oferece alguns quebra-cabeça para divertir seu tempo, confira. Baixe agora e comece sua missão!.

Screenshots

Space Tower4 screens
Space Blue4 screens

Verdict

The call

The clearest difference is in-app purchases: Space Blue at none against Space Tower's 10. Space Blue also leads on update cadence (daily vs every 5 weeks). On price, 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

Both are free to download. Space Tower sells 10 one-off in-app purchases. Space Blue asks for nothing beyond the download.

UpkeepUpdate frequency

Space Tower ships an update every 5 weeks, Space Blue daily. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Space Tower versus Space Blue: the parameters behind the verdict, then further details
ParameterSpace TowerSpace Blue
PriceFreeFree
Rating4.8 (571 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings571 — better—
Update frequencyEvery 5 weeksDaily — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size190 MB47 MB
Age rating4+4+
DeveloperCYBERJOY LIMITEDEridani Melo

Bugs and requests

Space Tower

Reported bugs

7 issues
  • Game freezes and fails to load progress data
  • Data not syncing between devices with same Apple ID
  • Ad-free purchases requiring repurchase on new devices
  • Tournament upgrade buffs not applying correctly
  • Research timer displaying incorrect duration (30 minutes showing as 31 hours)
Show 2 more
  • Music not working
  • Unable to access previously completed challenge levels

Requested features

6 requests
  • More game levels
  • Additional weapons and enemy variety
  • Restore previously available game formats (Galaxy Background, Flaming Eye)
  • Remove or reduce energy system
  • Improve gold generation rates
Show 1 more
  • More interactive gameplay features

Space Blue

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Space Tower

One-time10
  • Newbie Pack$2.99
  • Chapter Pack$2.99
  • Chapter Pack$4.99
Show 7 more
  • Piggy Bank$4.99
  • Tournament Pack 2$4.99
  • VIP Pack$9.99
  • Chapter Pack 3$9.99
  • Special Pack 3$9.99
  • Month Card$9.99
  • Premium Resource Pack$29.99
None

Space Blue

No in-app purchases

Questions

Is Space Tower free?
Space Tower is free to download, with in-app purchases available.
Is Space Blue free?
Space Blue is free to download, with no in-app purchases.
Do Space Tower or Space Blue have ads?
Both Space Tower and Space Blue show ads.
Which is updated more often, Space Tower or Space Blue?
Space Tower ships an update every 5 weeks, and Space Blue daily. Most recently, Space Tower was updated on November 3, 2026 and Space Blue on October 30, 2026.

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