Comparison

Doomsday Clicker vs Idle Mastermind

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

Head to head
About

Doomsday Clicker

Tap to build and expand an underground shelter to house survivors after global destruction. Grow your bunker, earn coins, and discover quirky surprises. Destroy and rebuild the world repeatedly for escalating profits.

Highlights
  • Tap to build and expand underground shelter
  • Earn coins by housing survivors
  • Collect bonuses from visitors
  • Spin a wheel for productivity boosts
  • Destroy and rebuild the world for profit
  • Discover quirky surprises and characters
Features
Read full description

You’ve spent years developing the technology to withstand the total destruction of the earth’s surface, and Doomsday survivors will have no choice but to turn to YOU—their rescuer, their benefactor, their SUPREME LEADER! Tap the buttons to build your underground shelter, then tap some more to expand it with luxurious rooms and upgrades. The bigger your bunker, the more people you hold, and the more coins you make. Keep tapping and watch as your profits grow to greater and more outrageous extremes! In Doomsday Clicker you can: • Collect bonuses when “unwanted visitors” come knock-knocking at your bunker’s door • Discover endless quirky surprises! • Feel immense satisfaction as numbers tick ever higher • Visit THE SUPERCHARGER, a wheel of chance that gives a limited-time productivity boost • Destroy the world over and over again to increase profits. Destroy the world, and build it up again, making more and more every time! • Meet tons of crazy characters… and watch them mutate • Stay tuned! More locations, enemies and survivors characters are coming soon! Doomsday Clicker is free to play but offers some game items for purchase with real money. We love to hear from our players! On Twitter? Drop us a line @pikpokgames and join the conversation with #DoomsdayClicker

About

Idle Mastermind

Embrace your inner supervillain in this idle simulation game. Build a secret lair, recruit henchmen, and execute dastardly plans to take over the world. Choose from three unique villains, each with their own strategies and grand schemes.

Highlights
  • Play as 3 distinct supervillains
  • Build and customize your evil lair
  • Hire and manage an army of henchmen
  • Raid cities for resources
  • Unlock new research and skills
  • Execute evil grand plans
Features
Read full description

Ever wanted to be the villain? To build a lair? Hire henchmen? Fight superheroes? Concoct dastardly plans? Raid a city? Or… take over the world? No? What, really? Sure you do! Idle Mastermind, from the makers of Idle Apocalypse, is the best supervillain simulator of 2020! Play as three supervillains. The techy but tiny: Dr DOS. The gangster crime boss: Yara. Or the unpredictable: LOL. Each has their own evil grand plan. Build a lair to run your empire from. Hire a bunch of evil henchmen to do your bidding. Raid the city above to gain precious resources. Unlock new research and skills to improve your criminal, idle empire. When you’re ready, execute your evil plan and bring about the apocalypse! Play as 3 distinct villains, each with: + A unique lair with special floors and henchmen. + Different strategies, skills and stories. + Unique resource management styles. Build your dream lair: + 30 unique floors. + Floors that will generate resources while offline. + Special floors with unique gameplay elements. Hire an army of evil thugs: + 20+ henchmen. + Different classes, abilities. + Unique resource management gameplay. And more...! + Collect heaps of skins. + Complete events. + Join the Evil Eye Association. On top of that it has all the humour and inane chatter of a Grumpy Rhino game. The makers of Idle Apocalypse. Lovers of simulation games and incremental clickers won’t be able to put down this dastardly, near criminal RPG.

Screenshots

Doomsday Clicker1 screens
Idle Mastermind4 screens

Verdict

The call

The clearest difference is ratings volume: Doomsday Clicker at 3.1K against Idle Mastermind's 440. Doomsday Clicker also leads on review sentiment (78% vs 68%). Idle Mastermind's advantage is update cadence (every 6 weeks vs every 3 months). On price, rating, 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. Doomsday Clicker sells 10 one-off in-app purchases and Idle Mastermind sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Doomsday Clicker against 4.6 for Idle Mastermind. That said, the two scores are not equally well evidenced: Doomsday Clicker has 3.1K ratings behind it against 440, so its average is the more settled of the two. Written reviews are what separate them: 78% of Doomsday Clicker's written reviews are positive against 68% of Idle Mastermind's.

UpkeepUpdate frequency

Doomsday Clicker ships an update every 3 months, Idle Mastermind every 6 weeks. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
Doomsday Clicker versus Idle Mastermind: the parameters behind the verdict, then further details
ParameterDoomsday ClickerIdle Mastermind
PriceFreeFree
Rating4.6 (3.1K ratings)4.6 (440 ratings)
Positive reviews78.3% of reviews — better67.9% of reviews
Number of ratings3.1K — better440
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size185 MB286 MB
Age rating9+12+
DeveloperPikPokGrumpy Rhino Games LTD

Customer experience

Doomsday Clicker

All ratings3,145 ratings
Positive90.3%
Neutral3.6%
Negative6.1%
Written reviews1,134 reviews
Positive78.3%
Neutral6.3%
Negative15.3%

Idle Mastermind

All ratings440 ratings
Positive90.7%
Neutral3.4%
Negative5.9%
Written reviews56 reviews
Positive67.9%
Neutral5.4%
Negative26.8%

User reviews

Doomsday Clicker

From 3.1K App Store ratings

What we love

  • 👍 Fun and addictive gameplay
  • 🎶 Excellent soundtrack and music
  • 💎 Satisfying progression and upgrades
  • 🕹️ Simple yet engaging mechanics
  • 🎨 Charming and humorous visuals

Room to improve

  • 🐛 Occasional crashes and bugs
  • 🕰️ Repetitive gameplay after a while
  • 💰 Imbalanced upgrade costs at higher levels
  • 🤖 Issues with ad-based rewards not working properly

Idle Mastermind

From 440 App Store ratings

What we love

  • 🎨 Beautiful pixel art and visual design
  • 😂 Witty humor and charming character dialogue
  • 🎮 Engaging idle game mechanics with good progression
  • ⏰ Balanced gameplay between idle and active play
  • 💰 Obtainable premium currency without spending money

Room to improve

  • 🐌 Painfully slow progression and grinding
  • 💸 Aggressive monetization and expensive in-app purchases
  • 🔐 Content locked behind paywalls required for progression
  • 🔁 Repetitive prestige mechanic feels tedious
  • ⏳ Time-gated events requiring premium currency to participate

Bugs and requests

Doomsday Clicker

Reported bugs

3 issues
  • Inconsistent mutant/human gain rates
  • Upgrade costs not scaling properly
  • Ads not providing expected rewards

Requested features

4 requests
  • More variety in rooms and bunkers
  • Additional game modes or challenges
  • Ability to skip or fast-forward certain tasks
  • Better cloud save/restore functionality

Idle Mastermind

Reported bugs

8 issues
  • Game crashes when Counterfeit character robs buildings
  • Random audio error producing persistent chopping/high-five sounds
  • Progress randomly deleted without explanation
  • Game crashes at startup after updates
  • Laboratory won't produce microchips, causing soft-lock
Show 3 more
  • Ad boost offers not functioning
  • Graphics rendering issues on some iPhones
  • Mission quest exploit allowing infinite gem farming

Requested features

6 requests
  • Increase progression speed by 20%
  • VIP program with spending-based rewards and stat bonuses
  • Skin texture overhaul with Sid's tower theme
  • More content and longer event durations
  • Better balance between free and paid progression paths
Show 1 more
  • Additional activities in city and base areas

In-app purchases

10 purchases

Doomsday Clicker

One-time10
  • 400 Gold$1.99
  • 200 Gold$1.99
  • 300 Gold$1.99
Show 7 more
  • 550 Gold Pack$4.99
  • 1100 Gold$4.99
  • 830 Gold$4.99
  • Gold Stash$4.99
  • Doomsdog$4.99
  • 1150 Gold Pack$9.99
  • 2400 Gold Pack$19.99
12 purchases

Idle Mastermind

One-time12
  • 200 Gems$4.99
  • 500 Gems$9.99
  • Event Pack$9.99
Show 9 more
  • Yara Starter Pack$9.99
  • Remove Ads$9.99
  • Seasonal Bundle$9.99
  • More Everything$14.99
  • Golden Throne$14.99
  • 1,250 Gems$19.99
  • LOL Starter Pack$24.99
  • 2,500 Gems$29.99
  • Double Trouble$49.99

Questions

Is Doomsday Clicker free?
Doomsday Clicker is free to download, with in-app purchases available.
Is Idle Mastermind free?
Idle Mastermind is free to download, with in-app purchases available.
Which has better reviews, Doomsday Clicker or Idle Mastermind?
Doomsday Clicker and Idle Mastermind are both rated 4.6 out of 5 on the App Store, from 3.1K and 440 ratings respectively.
Do Doomsday Clicker or Idle Mastermind have ads?
Both Doomsday Clicker and Idle Mastermind show ads.
Which is updated more often, Doomsday Clicker or Idle Mastermind?
Doomsday Clicker ships an update every 3 months, and Idle Mastermind every 6 weeks. Most recently, Doomsday Clicker was updated on October 18, 2026 and Idle Mastermind on October 17, 2026.

Other comparisons