Comparison

Retro Galactic Siege vs Space ReInvaders

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

Head to head
About

Retro Galactic Siege

Features
Read full description

THE GALAXY IS UNDER SIEGE. ONLY YOU CAN STOP THEM. Galactic Siege is a pulse-pounding arcade shooter that reinvents the classic invader formula with 12 unique galaxies, 5 epic bosses, 11 power-ups, and cinematic boss intros. Built for iPhone, iPad, and Mac. BASE GAME FREE 12 GALAXIES Each with its own visual identity: nebula patterns, star colors, and atmospheric lighting. From the warm blues of the Milky Way to the pulsing magentas of Omega Centauri. 3 LEGENDARY BOSSES - The Guardian A swept-wing interceptor with twin cannons and a glowing cockpit visor. - Void Emperor A claw-shaped destroyer with dual reactor eyes and blade-wing extensions. - Omega Mothership The Starcrusher Class. 8 thruster engines, 4 animated launch bays, and twin weapon pylons. The most imposing boss in the known universe. 8 POWER-UPS Scatter Shot, Plasma Laser, H-Bomb, Rapid Fire, Force Shield (blocks 3 hits), Black Hole, Time Slow, and Extra Life. Each with unique visuals and sound effects. COMBO SYSTEM Chain kills for bonus points. 5+ kills triggers a multiplier. REVIVE SYSTEM When you fall, a 9-second countdown lets you revive and continue exactly where you were with a triple shield activated. TOUCH OPTIMIZED Precision controls built for iPhone. No drift, no stuck buttons. DARK DIMENSION EXPANSION 6 NEW GALAXIES Enter the void. Black and violet galaxies with animated dark tendrils and corrupted enemy designs. 3 NEW POWER-UPS - OVERDRIVE Double speed for 20 seconds. - NUKE One button. Every enemy on screen: gone. - CLONE Deploy two ghost ships that follow and fire alongside you. VOID STALKER BOSS A cloaking predator with a pulsing eye cluster, dark energy tendrils, and a side-mounted void cannon. COMMANDER PASS All current and future expansions. One-time purchase. No subscriptions, ever. NO DARK PATTERNS No energy timers. No forced ads. No pay-to-win. The base game is complete and fully enjoyable on its own. Ready to siege the galaxy, Commander?

About

Space ReInvaders

Features
Read full description

Defend Earth, one wave at a time. Step into a fast, arcade-style shooter built for quick sessions and “one more try” runs. Move your cannon, blast descending formations, and clear the screen before they reach the ground—then brace yourself: the next wave only gets tougher. Classic feel, modern polish Crisp pixel-style presentation and punchy sound keep every round satisfying. Shields give you cover until they crumble, mystery UFOs streak across the top for bonus points, and your high score is always in sight. Controls your way Pick Automatic, Tilt, or On-screen joystick—whatever fits how you play. Mirror the touch layout for left- or right-handed comfort, and toggle sound effects when you need silence. Compete on Game Center Sign in with Game Center to submit scores and open the global leaderboard. Chase your personal best—or someone else’s. Highlights • Endless waves with ramping challenge • Multiple enemy types and a scoring table straight from the arcade playbook • UFO bonus runs for extra points • Destructible barriers and tight, responsive shooting • Game Center leaderboard support • Sound on/off and flexible control options Whether you grew up in arcades or just love clean, skill-based shooters, load up and hold the line.

Screenshots

Retro Galactic Siege3 screens
Space ReInvaders4 screens

Verdict

The call

The clearest difference is in-app purchases: Space ReInvaders at none against Retro Galactic Siege's 5. Retro Galactic Siege's advantage is iOS requirement (15.6 vs 26.3). On price, ads 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

Both are free to download. Retro Galactic Siege sells 5 one-off in-app purchases. Space ReInvaders asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Retro Galactic Siege versus Space ReInvaders: the parameters behind the verdict, then further details
ParameterRetro Galactic SiegeSpace ReInvaders
PriceFreeFree
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.3
Further details — not scored
Size11 MB10 MB
Age rating4+4+
DeveloperABRAHAM SEGOVIANOPiero Amato

In-app purchases

5 purchases

Retro Galactic Siege

One-time5
  • Warhawk Ship$0.99
  • Xeno Drone ship$0.99
  • Neon Blade Ship$0.99
Show 2 more
  • Phantom Ship$0.99
  • Dark Dimension Expansion$1.99
None

Space ReInvaders

No in-app purchases

Questions

Is Retro Galactic Siege free?
Retro Galactic Siege is free to download, with in-app purchases available.
Is Space ReInvaders free?
Space ReInvaders is free to download, with no in-app purchases.
Do Retro Galactic Siege or Space ReInvaders have ads?
Neither Retro Galactic Siege nor Space ReInvaders shows ads.

Other comparisons