Comparison

Germaphobe vs Blackout Mayhem

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

Head to head
About

Germaphobe

Navigate a hero through an arcade-style world, dodging mutant germs and collecting coins. Capture and disinfect these germs in a laboratory to save infected cities worldwide. Unlock new challenges and compete on leaderboards.

Highlights
  • Arcade-style gameplay
  • Capture and disinfect germs
  • Collect coins and power-ups
  • Unlock new cities
  • Game Center leaderboards
  • iCloud syncing
Features
Read full description

Germaphobe is a fast paced, arcade style game where the hero, Hazmat Howard, must avoid the never ending attack by mutant germs. There are 200 cities that are infected with 200 unique germs. Do you and Hazmat Howard have what it takes to capture and disinfect all 200? Use the virtual joystick to maneuver Hazmat Howard to avoid mutant germs, collect coins, gain power-ups, and capture germs from cities throughout the world. Capturing germs is only half the battle. Captured germs must also be taken to the Laboratory to be disinfected and stored. Pay for time in the Laboratory with the coins Hazmat Howard collected while playing the game. Don't worry, it will be worth it. Cities have agreed to pay Hazmat Howard for every germ he disinfects. Complete levels to unlock new cities to disinfect. • Game Center support for Leaderboards and Achievements. • iCloud support for syncing your game to multiple devices. • Play for Free for as long as you like. • No Ads! We hope you enjoy playing Germaphobe and helping Hazmat Howard disinfect the world one city at a time. NOTE: You may disable in-app-purchases on your device using the Settings application.

About

Blackout Mayhem

Features
Read full description

Blackout Mayhem is a challenging game that will put your reaction and problem-solving skills to the test. With damaged power plants and limited electricity supply, you'll need to think strategically to keep the lights on. But be careful - overload the grid for too long and it's game over! With procedurally generated levels, every game is a new opportunity to hone your skills and prove your mettle. As you progress through the game, you'll earn scores, get a chance to win in-game items, and climb the ranks on the online leaderboards. Blackout Mayhem is a challenging and addictive casual board game that will keep you coming back for more.

Screenshots

Germaphobe4 screens
Blackout Mayhem4 screens

Verdict

The call

The clearest difference is ads: Germaphobe at none against Blackout Mayhem's shown. Blackout Mayhem's advantage is update cadence (weekly vs every 29 months). On price, in-app purchases, device support and iOS requirement 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. Germaphobe sells 5 one-off in-app purchases and Blackout Mayhem sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Germaphobe ships an update every 29 months, Blackout Mayhem weekly. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
Germaphobe versus Blackout Mayhem: the parameters behind the verdict, then further details
ParameterGermaphobeBlackout Mayhem
PriceFreeFree
Rating4.3 (7 ratings) — better—
Positive reviews78.8% of reviews—
Number of ratings7 — better—
Update frequencyEvery 29 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size20 MB40 MB
Age rating4+4+
DeveloperDanny AijalaOleksandr Kalyuzhnyy

In-app purchases

5 purchases

Germaphobe

One-time5
  • 3 City Pack$0.99
  • Disinfect City$0.99
  • 100,000 coins$0.99
Show 2 more
  • 20 City Pack$4.99
  • 1,000,000 Coins$4.99
5 purchases

Blackout Mayhem

One-time5
  • Ad Removal$0.99
  • InstaRepair Pack$0.99
  • Perseverance Pack$0.99
Show 2 more
  • Generators Pack$0.99
  • Super Pack$0.99

Questions

Is Germaphobe free?
Germaphobe is free to download, with in-app purchases available.
Is Blackout Mayhem free?
Blackout Mayhem is free to download, with in-app purchases available.
Do Germaphobe or Blackout Mayhem have ads?
Blackout Mayhem shows ads; Germaphobe does not.
Which is updated more often, Germaphobe or Blackout Mayhem?
Germaphobe ships an update every 29 months, and Blackout Mayhem weekly. Most recently, Germaphobe was updated on October 17, 2026 and Blackout Mayhem on September 30, 2026.

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