Best Mastermind Idle Apps & Games

249+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated November 2026

Looking for free mastermind idle apps and games? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Mastermind Idle Apps & Games (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Idle MastermindIdle MastermindFree4.6★ (441)YesYesOct 2026
2NecroMerger - Idle Merge GameNecroMerger - Idle Merge GameFree4.8★ (6.4K)YesYesNov 2026
3Idle SuperpowersIdle SuperpowersFree4.8★ (836)YesYesNov 2026
4Ticket Hero : Idle RPGTicket Hero : Idle RPGFree—YesNoNov 2026
5Idle Runner: Hero Idle RPGIdle Runner: Hero Idle RPGFree4.7★ (42)YesYesNov 2026
6Guildmaster IdleGuildmaster IdleFree4.7★ (539)YesYesNov 2026
7Swarm of Destiny: Fantasy IdleSwarm of Destiny: Fantasy IdleFree4.6★ (82)YesYesOct 2026
8Gale Knights Idle RPGGale Knights Idle RPGFree3.0★ (7)NoYesNov 2026

Top Picks for Mastermind Idle

Idle Mastermind#1

Idle Mastermind by Grumpy Rhino Games LTD

Play the super villain!
Editor's Choice
🎮 Games
4.6😐(441 ratings)
FreeAdsIn-App Purchases
Idle Mastermind screenshot 1
Idle Mastermind screenshot 2
Idle Mastermind screenshot 3
Idle Mastermind screenshot 4
Idle Mastermind screenshot 5
Idle Mastermind screenshot 6

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.

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
  • 🔄 Prestige system that maintains long-term engagement
  • ✨ Unique characters and creative theme
  • 📱 No forced ads or non-intrusive monetization approach

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
  • 📉 Limited content compared to developer's other games
  • 🎯 Early game bottlenecks and progression walls
  • 😑 Unfunny dialogue (subjective criticism from some users)
NecroMerger - Idle Merge Game#2

NecroMerger - Idle Merge Game by Grumpy Rhino Games LTD

Merge monsters, feed your pet
Strong Contender
🎮 Games
4.8😊(6.4K ratings)
FreeAdsIn-App Purchases
NecroMerger - Idle Merge Game screenshot 1
NecroMerger - Idle Merge Game screenshot 2
NecroMerger - Idle Merge Game screenshot 3
NecroMerger - Idle Merge Game screenshot 4
NecroMerger - Idle Merge Game screenshot 5
NecroMerger - Idle Merge Game screenshot 6

Summon and merge creatures using dark magic to feed your insatiable pet. Expand your lair, unlock powerful abilities, and manage resources to grow your monster collection. This idle merge game offers a unique blend of mechanics for endless fun.

What We Love

  • 🕹️ Addictive and quirky gameplay
  • 🎨 Fantastic pixel art and design
  • 🎶 Catchy and engaging soundtrack
  • 🕰️ Satisfying progression and merging mechanics
  • 🔓 No forced ads or paywalls
  • 🤖 Unique necromancer/undead theme

Room to Improve

  • ⏱️ Slow progression and limited gameplay sessions
  • 🧭 Lack of space/storage for managing resources
  • 🕰️ Long cooldowns on events and activities
  • 💰 Potential pay-to-win elements for faster progression
4.8😊(836 ratings)
FreeAdsIn-App Purchases
Idle Superpowers screenshot 1
Idle Superpowers screenshot 2
Idle Superpowers screenshot 3
Idle Superpowers screenshot 4
Idle Superpowers screenshot 5

Embark on a roguelike idle RPG adventure as a superhero with combinable superpowers. Unlock over 99 unique abilities, discover synergistic power combinations, and face procedurally generated enemies and items in each unique run. Overcome challenges to unlock new upgrades and adapt your playstyle.

What We Love

  • 🚀 Pretty good
  • 👍 LOVE THIS!
  • 👍 Never thought I'd be this invested
  • 👍 Best Idle Game to Date
  • 👍 my favorite mobile game
  • 👍 Very addicting
  • 👍 Simple and Fun with a Story
  • 👍 Great game
  • 👍 Good Game
  • 👍 Im an addict
  • 👍 worth the download
  • 👍 Great game!… for what it is
  • 👍 Great game
  • 👍 Actually fun idle game
  • 👍 Engaging game that makes few demands
  • 👍 Amazing game
  • 👍 Fantastic
  • 👍 Fun but kinda weird
  • 👍 Awesome game!
  • 👍 Better than Expected
  • 👍 Honestly Worth A Download
  • 👍 Solid game
  • 👍 Cool game
  • 👍 Amazing Game!

Room to Improve

  • 🐛 Unskippable overlong ads
  • 🐛 Weirdly fun, but very limited
  • 🐛 Ads?
  • 🐛 Used to be fun
  • 🐛 Inventory management is bad
  • 🐛 Crashing
  • 🐛 Even the ads crash
  • 🐛 Damage is heavily bugged
  • 🐛 It doesn't work on Apple iPad it's just keep on kicking me out can you please fix this
  • 🐛 Most rage game ever
  • 🐛 Crashes
  • 🐛 Crashes a lot!!
  • 🐛 Game bug
  • 🐛 Crashing
  • 🐛 Bug

More Mastermind Idle apps to explore

FAQ about Mastermind Idle

What are the best mastermind idle apps & games for iPhone?
Idle Mastermind tops our mastermind idle apps & games ranking as of November 2026, with a 4.6-star average from 441 App Store ratings, and it's free to download.
Yes — 20 of the top mastermind idle apps & games we rank are free to download, including Idle Mastermind and NecroMerger - Idle Merge Game.
Idle Mastermind shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ mastermind idle apps & games on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.