Comparison

Rocket Invaders vs Zombie Siege

Price, ratings, monetisation and update history for both games, side by side โ€” 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 Invadersโ€™ own technology to track down and eliminate the source of the invasion! CLASSIC FEATURES * Classic Arcade Shooter โ€“ Battle waves of Invaders in dynamic attack patterns. Now with added Motherships! * Upgrade Weapons โ€“ Collect crates to unlock and enhance devastating firepower. * Planet-to-Planet Warfare โ€“ Travel across the Solar System, planting self-destruction seeds along the way to halt their advance. * Hundreds of Planets โ€“ Discover and collect planets, rockets, and Motherships as you progress. NEW FEATURES! * Harvest Resources โ€“ Defeated Invaders drop resourcesโ€”use them to fight back! * Convert Resources โ€“ Using the Planetary defence machines, YOU control the amount of Health, Ammo and Fuel you need to fight the invasion! * Load Escape Rockets โ€“ 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

Zombie Siege

Features
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Plan your route, trigger special tiles, and hold the line. Zombie Siege: Haven Defense is a casual strategy defense game built around movement, tile effects, and changing battle strategies. Your hero keeps moving across the battlefield. Plan the route, use special tiles, and combine different skills to stop incoming enemies. When your hero passes through a tile, it can trigger weapons, buffs, or special effects. The route you build and the order of each trigger can completely change how your strategy works. Every battle offers random skill choices. Adapt your route to the abilities you receive, combine skills with tile effects, and create a new strategy for each run. Explore frozen lands, scorched wastelands, flooded regions, and more. Each chapter brings different battlefield conditions that encourage you to change your hero, route, and tactics. Different heroes offer different abilities and playstyles. Choose the right hero for the challenge, build your route, combine your skills, and defend the line. Easy to play, with new tactical possibilities in every battle. Every route can lead to a different strategy. PLAN THE ROUTE: - Your hero keeps moving. Decide which tiles to pass through and when their effects should trigger. TRIGGER TILE EFFECTS: - Activate weapons, buffs, and special effects as your hero moves across different tiles. BUILD WITH RANDOM SKILLS: - Choose from different skills every battle and adapt your route to create new combinations. ADAPT TO NEW ENVIRONMENTS: - Explore frozen lands, scorched wastelands, flooded regions, and other unique battlefields. CHOOSE YOUR HERO: - Each hero has different abilities and strengths. Pick the right hero for each challenge. SIMPLE CONTROLS, TACTICAL CHOICES: - Focus on routes, skills, combinations, and timing to overcome every stage. CORE GAMEPLAY: Plan your hero's route and trigger skills by moving across special tiles. 1. Choose a hero for the stage 2. Plan a route across the battlefield 3. Set up tiles with different effects 4. Trigger weapons, buffs, and skills as your hero passes through them 5. Choose from random skills during battle 6. Adjust your route as new abilities become available 7. Combine trigger order and skills to stop incoming enemy waves 8. Hold the line and complete the stage Your route controls the triggers. Your skills shape the strategy. Adapt your build during each run and find the combination that works best for the battlefield.

Screenshots

Rocket Invaders4 screens
Zombie Siege4 screens

Verdict

The call

The clearest difference is iOS requirement: Rocket Invaders at 13.0 against Zombie Siege's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Rocket Invaders sells 8 one-off in-app purchases and Zombie Siege sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Rocket Invaders ships an update every 9 days, Zombie Siege fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
Rocket Invaders versus Zombie Siege: the parameters behind the verdict, then further details
ParameterRocket InvadersZombie Siege
PriceFreeFree
Update frequencyEvery 9 days โ€” betterFortnightly
AdsYesYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size258 MB294 MB
Age rating4+17+
DeveloperKrada Studio CorpPerfeggs

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
15 purchases

Zombie Siege

One-time15
  • Special Pack$1.99
  • Value Pack$2.99
  • Store Diamond2$4.99
Show 12 more
  • Surprise Pack$4.99
  • Deluxe Pack$9.99
  • Store Diamond3$9.99
  • Elite Pack$14.99
  • Store Diamond4$19.99
  • Master Pack$29.99
  • Store Diamond5$29.99
  • Ultimate Pack$49.99
  • Store Diamond6$49.99
  • Legendary Pack$99.99
  • Store Diamond7$99.99
  • Store Diamond8$199.99

Questions

Is Rocket Invaders free?
Rocket Invaders is free to download, with in-app purchases available.
Is Zombie Siege free?
Zombie Siege is free to download, with in-app purchases available.
Do Rocket Invaders or Zombie Siege have ads?
Both Rocket Invaders and Zombie Siege show ads.
Which is updated more often, Rocket Invaders or Zombie Siege?
Rocket Invaders ships an update every 9 days, and Zombie Siege fortnightly. Most recently, Rocket Invaders was updated on October 30, 2026 and Zombie Siege on October 31, 2026.

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