Comparison

Alien Robot Defender Free vs Key Clicker ASMR

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

Head to head
About

Alien Robot Defender Free

Engage in a classic side-scrolling shooter, defending against waves of alien robots. Strategically shoot invaders to unlock new levels and achieve high scores. Different robot behaviors add to the challenge.

Highlights
  • Classic side-scrolling gameplay
  • Battle alien robots
  • Unlock new levels
  • High score challenges
  • Master 40 levels
  • Sharp shooter bonus
Features
Read full description

This is a classic side scrolling game where you battle with alien robots. The goal of the game is to shoot as many of the invading robots as you can to unlock the next level and get a high score. The different colored robots move in different ways which make it more difficult to shoot them. + Easy to use controls + Master 40 different challenging levels + Sharp shooter bonus star + Shoot alien robots so you can unlock new levels

About

Key Clicker ASMR

Design and build your own spinning machine by placing and merging buttons. Add fingers and upgrade wheel speed to launch thousands of balls that smash through endless blocks. Enjoy satisfying physics and incremental gameplay.

Highlights
  • Design custom button wheels
  • Merge buttons for increased power
  • Add fingers for faster production
  • Upgrade wheel speed
  • Launch thousands of balls automatically
  • Satisfying physics destruction
  • Endless idle progression
Features
Read full description

Build your own spinning machine! Place keys on the wheel, merge them into stronger ones, add more fingers, and watch thousands of balls smash through endless blocks. Build. Merge. Spin. Destroy. Create the ultimate idle machine by designing your own spinning wheel. Place buttons wherever you want, merge them into stronger versions, add extra fingers to press them, and increase your wheel speed. Every button press launches balls that crush the endless tower of blocks below. The smarter you build your machine, the faster your factory grows! Features • Design your own button wheel • Merge buttons to increase power • Add more fingers for faster production • Upgrade wheel speed • Launch thousands of balls automatically • Satisfying physics destruction • Endless idle progression • Unlock powerful upgrades • Relaxing incremental gameplay • Play online or offline Can you build the fastest ball-producing machine? Download now and start destroying!

Screenshots

Alien Robot Defender Free4 screens
Key Clicker ASMR4 screens

Verdict

The call

The clearest difference is in-app purchases: Alien Robot Defender Free at none against Key Clicker ASMR's 10. Alien Robot Defender Free also leads on ads (none vs shown) and rating (3.7 vs 3.3). Key Clicker ASMR's advantage is update cadence (every 3 days vs every 50 months). On price, ratings volume 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. Key Clicker ASMR sells 10 one-off in-app purchases. Alien Robot Defender Free asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Alien Robot Defender Free holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

Alien Robot Defender Free ships an update every 50 months, Key Clicker ASMR every 3 days. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

Scorecard6 real differences · 4 level
Alien Robot Defender Free versus Key Clicker ASMR: the parameters behind the verdict, then further details
ParameterAlien Robot Defender FreeKey Clicker ASMR
PriceFreeFree
Rating3.7 (3 ratings) — better3.3 (4 ratings)
Positive reviews80.0% of reviews—
Number of ratings34 — better
Update frequencyEvery 50 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.0
Further details — not scored
Size13 MB147 MB
Age rating4+4+
DeveloperMike HempflingUpcasual Games

Customer experience

Alien Robot Defender Free

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Key Clicker ASMR

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Alien Robot Defender Free

No in-app purchases

10 purchases

Key Clicker ASMR

One-time10
  • Small Coin Pack 50%$2.49
  • Large Coin Pack 50%$7.49
  • Income Bundle 50%$9.99
Show 7 more
  • Autotap Bundle 50%$9.99
  • Large Coin Pack 25%$11.49
  • Income Bundle 25%$14.99
  • Autotap Bundle 25%$14.99
  • Large Coin Pack$14.99
  • Income Bundle$19.99
  • Autotap Bundle$19.99

Questions

Is Alien Robot Defender Free free?
Alien Robot Defender Free is free to download, with no in-app purchases.
Is Key Clicker ASMR free?
Key Clicker ASMR is free to download, with in-app purchases available.
Which has better reviews, Alien Robot Defender Free or Key Clicker ASMR?
Alien Robot Defender Free is rated higher. Alien Robot Defender Free averages 3.7 out of 5 from 3 ratings, while Key Clicker ASMR averages 3.3 from 4 ratings.
Do Alien Robot Defender Free or Key Clicker ASMR have ads?
Key Clicker ASMR shows ads; Alien Robot Defender Free does not.
Which is updated more often, Alien Robot Defender Free or Key Clicker ASMR?
Alien Robot Defender Free ships an update every 50 months, and Key Clicker ASMR every 3 days. Most recently, Alien Robot Defender Free was updated on November 1, 2026 and Key Clicker ASMR on November 10, 2026.

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