Rock.io™ vs Killer Robot War
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Smash objects to grow
- Defeat other players
- Rock grows with destruction
- Destroy larger objects
- Satisfying gameplay
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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!
Killer Robot War
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Rock.io™ | Killer Robot War |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (15 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 194 MB | 273 MB |
| Age rating | 9+ | 17+ |
| Developer | Geisha Tokyo Inc. | Hong Kong Rice Technology Co., Limited |
In-app purchases
Rock.io™
No in-app purchases
Killer Robot War
No in-app purchases
Questions
Is Rock.io™ free?
Is Killer Robot War free?
Do Rock.io™ or Killer Robot War have ads?
Which is updated more often, Rock.io™ or Killer Robot War?
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