Comparison

Rock.io™ vs Killer Robot War

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

Head to head
About

Rock.io™

Engage in a satisfying battle by smashing objects to grow your rock. Destroy opponents and break them into pieces to become the ultimate victor. The larger your rock gets, the more powerful it becomes.

Highlights
  • Smash objects to grow
  • Defeat other players
  • Rock grows with destruction
  • Destroy larger objects
  • Satisfying gameplay
Read full description

The simplest, most satisfying game ever! To defeat other players at the decisive battle, smash as many things as you can! The rock grows as it destroys something, and it can destroy larger things. Smash other players, and break them into pieces!

About

Killer Robot War

Features
Read full description

An action game full of exciting mechanical combat and strategic conquest. You will become an elite mecha pilot, controlling advanced combat mechas and embarking on a glorious journey to conquer the future world. Facing various powerful enemies, you need to rely on superb driving skills and tactical wisdom, use a variety of weapons and equipment, and compete for supreme dominance on the battlefield. The game uses the latest graphics technology to create a lifelike environment and amazing physical effects. Every battle is full of fierce confrontation and exquisite strategies, and the dynamic robot battles keep you highly nervous and focused at all times. Explore unknown mysterious areas, complete various exciting tasks, save humanity, and gradually establish your steel hegemony. It's not just a game, but also a passionate journey of conquest. Get ready for the ultimate challenge and become the uncrowned king of the mechanical world! Game features: Intense mechanical combat Diverse battlefields Rich weapon systems Dynamic combat experience Immersive physical effects

Screenshots

Rock.io™4 screens
Killer Robot War4 screens

Verdict

The call

The clearest difference is iOS requirement: Rock.io™ at 8.2 against Killer Robot War's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Rock.io™ ships an update every 2 weeks, Killer Robot War every 9 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 9 level
Rock.io™ versus Killer Robot War: the parameters behind the verdict, then further details
ParameterRock.io™Killer Robot War
PriceFreeFree
Rating3.3 (15 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings15 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.2 — better15.0
Further details — not scored
Size194 MB273 MB
Age rating9+17+
DeveloperGeisha Tokyo Inc.Hong Kong Rice Technology Co., Limited

In-app purchases

None

Rock.io™

No in-app purchases

None

Killer Robot War

No in-app purchases

Questions

Is Rock.io™ free?
Rock.io™ is free to download, with no in-app purchases.
Is Killer Robot War free?
Killer Robot War is free to download, with no in-app purchases.
Do Rock.io™ or Killer Robot War have ads?
Neither Rock.io™ nor Killer Robot War shows ads.
Which is updated more often, Rock.io™ or Killer Robot War?
Rock.io™ ships an update every 2 weeks, and Killer Robot War every 9 days. Most recently, Rock.io™ was updated on October 24, 2026 and Killer Robot War on October 16, 2026.

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