# Idle Mastermind vs SCP Laboratory Idle Mobile app

The clearest difference is rating: Idle Mastermind at 4.6 against SCP Laboratory Idle Mobile app's 3.9. Idle Mastermind also leads on update cadence (every 6 weeks vs every 7 months) and ratings volume (441 vs 22). SCP Laboratory Idle Mobile app's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Idle Mastermind sells 10 one-off in-app purchases and SCP Laboratory Idle Mobile app sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Idle Mastermind holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Idle Mastermind has 441 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 68% of Idle Mastermind's written reviews are positive against 53% of SCP Laboratory Idle Mobile app's.

Idle Mastermind ships an update every 6 weeks, SCP Laboratory Idle Mobile app every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Idle Mastermind | SCP Laboratory Idle Mobile app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (441 ratings)](https://appshunter.io/ios/app/idle-mastermind/id1488900054/reviews)** | [3.9 (22 ratings)](https://appshunter.io/ios/app/scp-laboratory-idle-mobile-app/id1607801010/reviews) |
| Number of ratings | **441** | 22 |
| Positive reviews | **67.9% of reviews** | 52.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 286 MB | 186 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Grumpy Rhino Games LTD](https://appshunter.io/developer/895152576) | [APPWILL COMPANY LTD](https://appshunter.io/developer/1761313938) |

## What reviewers say

### 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 (10)**

| 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 |

**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


### SCP Laboratory Idle Mobile app

[App page](https://appshunter.io/ios/app/scp-laboratory-idle-mobile-app/id1607801010)

Build and manage your own secret laboratory by tapping to earn money and science points. Invest in upgrades, hire employees, and research new technologies to accelerate your progress. Complete story events for permanent boosts and become a manager of an alien investigation foundation.

**Highlights:** Tap to earn money and science points, Upgrade laboratory and hire employees, Research new technologies for faster progress, Complete story events for permanent boosts, Pixel art idle clicker gameplay, Become a lab manager

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 10 000 RP | $0.99 | one-time |
| Financial Manager | $1.49 | one-time |
| Financial Manager | $1.99 | one-time |
| Buy 25 000 cash | $1.99 | one-time |
| Buy 25 000 RP | $1.99 | one-time |
| Disable Ads | $1.99 | one-time |
| Fast Timer | $2.99 | one-time |
| Buy 60 000 cash | $3.99 | one-time |
| Buy 150 000 RP | $7.99 | one-time |
| Buy 150 000 cash | $7.99 | one-time |


## Frequently asked questions

### Is Idle Mastermind free?

Idle Mastermind is free to download, with in-app purchases available.

### Is SCP Laboratory Idle Mobile app free?

SCP Laboratory Idle Mobile app is free to download, with in-app purchases available.

### Which has better reviews, Idle Mastermind or SCP Laboratory Idle Mobile app?

Idle Mastermind is rated higher. Idle Mastermind averages 4.6 out of 5 from 441 ratings, while SCP Laboratory Idle Mobile app averages 3.9 from 22 ratings.

### Do Idle Mastermind or SCP Laboratory Idle Mobile app have ads?

Idle Mastermind shows ads; SCP Laboratory Idle Mobile app does not.

### Which is updated more often, Idle Mastermind or SCP Laboratory Idle Mobile app?

Idle Mastermind ships an update every 6 weeks, and SCP Laboratory Idle Mobile app every 7 months. Most recently, Idle Mastermind was updated on November 3, 2026 and SCP Laboratory Idle Mobile app on November 3, 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.*