# Doomsday Clicker vs Idle Mastermind

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.

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.

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.

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.

## The numbers

| Metric | Doomsday Clicker | Idle Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.1K ratings)](https://appshunter.io/ios/app/doomsday-clicker/id1073501073/reviews) | [4.6 (440 ratings)](https://appshunter.io/ios/app/idle-mastermind/id1488900054/reviews) |
| Number of ratings | **3.1K** | 440 |
| Positive reviews | **78.3% of reviews** | 67.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 185 MB | 286 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [PikPok](https://appshunter.io/developer/323296229) | [Grumpy Rhino Games LTD](https://appshunter.io/developer/895152576) |

## What reviewers say

### Doomsday Clicker

[App page](https://appshunter.io/ios/app/doomsday-clicker/id1073501073)

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:** iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 400 Gold | $1.99 | one-time |
| 200 Gold | $1.99 | one-time |
| 300 Gold | $1.99 | one-time |
| 550 Gold Pack | $4.99 | one-time |
| 1100 Gold | $4.99 | one-time |
| 830 Gold | $4.99 | one-time |
| Gold Stash | $4.99 | one-time |
| Doomsdog | $4.99 | one-time |
| 1150 Gold Pack | $9.99 | one-time |
| 2400 Gold Pack | $19.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Inconsistent mutant/human gain rates
- Upgrade costs not scaling properly
- Ads not providing expected rewards

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/idle-mastermind/id1488900054)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Gems | $4.99 | one-time |
| 500 Gems | $9.99 | one-time |
| Event Pack | $9.99 | one-time |
| Yara Starter Pack | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Seasonal Bundle | $9.99 | one-time |
| More Everything | $14.99 | one-time |
| Golden Throne | $14.99 | one-time |
| 1,250 Gems | $19.99 | one-time |
| LOL Starter Pack | $24.99 | one-time |
| 2,500 Gems | $29.99 | one-time |
| Double Trouble | $49.99 | one-time |

**What reviewers like**

- 🎨 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

**What reviewers complain about**

- 🐌 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

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*