Comparison

Rocket Invaders vs Train Defence

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

Head to head
About

Rocket Invaders

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The ultimate test of galactic alien defence awaits! A relentless horde of self-replicating Invaders has entered the Solar System, threatening Earth and beyond. With endless waves of hostile spaceships attacking in (surprisingly predictable!) formation, must be destroyed! Now that their surprise assault has failed, it's time to strike back. Protect Earth, clear the Solar System, and harness the enemy Invaders’ own technology to track down and eliminate the source of the invasion! CLASSIC FEATURES * Classic Arcade Shooter – Battle waves of Invaders in dynamic attack patterns. Now with added Motherships! * Upgrade Weapons – Collect crates to unlock and enhance devastating firepower. * Planet-to-Planet Warfare – Travel across the Solar System, planting self-destruction seeds along the way to halt their advance. * Hundreds of Planets – Discover and collect planets, rockets, and Motherships as you progress. NEW FEATURES! * Harvest Resources – Defeated Invaders drop resources—use them to fight back! * Convert Resources – Using the Planetary defence machines, YOU control the amount of Health, Ammo and Fuel you need to fight the invasion! * Load Escape Rockets – Fill your escape rocket with enough fuel to blast off and obliterate everything in your path! A REAL-TIME TEST OF STAMINA! Rocket Invaders combines classic arcade shooting with a fresh challenge, using modern Real-Time Strategy mechanics, delivering a fast-paced, dynamic experience that will push your skills to the limit. The deeper you progress, the more intense the challenge becomes! Can you collect all the planets, destroy all the Motherships and survive every wave of the Invaders? The Universe depends on it!

About

Train Defence

Command an armored train in a post-apocalyptic desert war. Upgrade wagons, mount weapons, and blast through enemy convoys and massive bosses to survive. Rule the wasteland with your rolling fortress.

Highlights
  • Build and upgrade war train
  • Mount devastating weapons
  • Face massive boss fights
  • Smash through barriers
  • Battle raiders
  • Rule the wasteland
Features
Read full description

Welcome to Train Defense, an explosive post-apocalyptic action game where your armored train is the last hope against ruthless raiders. Upgrade your wagons, mount powerful weapons, and blast through enemy convoys in an endless desert war for survival. Can your train rule the wasteland? Build and Upgrade Your War Train Turn your train into a rolling fortress! Add new wagons, install deadly weapons, and improve your armor to survive longer in the hostile desert. Every upgrade counts as you face stronger enemies and more intense battles. Unleash Devastating Weapons Equip your train with a variety of high-powered weapons, each with unique abilities: - Minigun – Tear through waves of enemies with rapid-fire chaos. - Flamethrower – Burn through vehicles and leave nothing but ashes. - Rocket Launcher – Launch explosive rockets to destroy convoys in seconds. Activate special abilities for extra firepower: shoot faster, burn wider, and unleash devastating rocket barrages. Face Massive Boss Fights Take on colossal enemy war machines and armored convoys in epic boss battles. Each boss brings new attack patterns and deadly challenges. Defeat them to claim rare upgrades and prove your dominance on the rails. Smash Through Barriers Obstacles stand between you and victory. Use the full power of your train to crash through barricades and clear the path ahead. Nothing can stop your steel juggernaut! Battle the Raiders Fight waves of raiders driving buggies, trucks, and war rigs. Aim carefully, manage your cooldowns, and defend your wagons from destruction. Every battle pushes your reflexes and strategy to the limit. Rule the Wasteland Upgrade, expand, and optimize your train to become unstoppable. Collect resources, unlock new wagons, and dominate the desert frontier. Your journey to becoming the ultimate Train Defender begins now! Train Defense delivers thrilling action, strategic upgrades, and non-stop explosions in a gritty Mad Max–style world. Download Train Defense today and fight to survive the rails of the apocalypse!

Screenshots

Rocket Invaders4 screens
Train Defence4 screens

Verdict

The call

The clearest difference is in-app purchases: Train Defence at none against Rocket Invaders's 8. On price, update cadence, 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. Rocket Invaders sells 8 one-off in-app purchases. Train Defence asks for nothing beyond the download.

UpkeepUpdate frequency

Rocket Invaders ships an update every 9 days, Train Defence weekly. The most recent releases landed on September 18, 2026 and August 23, 2026 respectively.

Scorecard1 real difference · 9 level
Rocket Invaders versus Train Defence: the parameters behind the verdict, then further details
ParameterRocket InvadersTrain Defence
PriceFreeFree
Rating—3.8 (9 ratings) — better
Positive reviews—40.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 9 daysWeekly — better
AdsYesYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size258 MB154 MB
Age rating4+9+
DeveloperKrada Studio CorpSOZAP

In-app purchases

8 purchases

Rocket Invaders

One-time8
  • Permanently Unlock All Weapons$0.99
  • Save Sector Progress$0.99
  • Faster Fuel Pipe Transfers$0.99
Show 5 more
  • Slower Bonus Crate Expiry Time$0.99
  • Slower Wave Timers$0.99
  • Remove Ads & Extra Resource$2.99
  • Full Converters at New Planet$2.99
  • Rocket Mega Pack$4.99
None

Train Defence

No in-app purchases

Questions

Is Rocket Invaders free?
Rocket Invaders is free to download, with in-app purchases available.
Is Train Defence free?
Train Defence is free to download, with no in-app purchases.
Do Rocket Invaders or Train Defence have ads?
Both Rocket Invaders and Train Defence show ads.
Which is updated more often, Rocket Invaders or Train Defence?
Rocket Invaders ships an update every 9 days, and Train Defence weekly. Most recently, Rocket Invaders was updated on September 18, 2026 and Train Defence on August 23, 2026.

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