# Minor Miner vs AI Concentration

The clearest difference is review sentiment: AI Concentration at 100% against Minor Miner's 50%. AI Concentration also leads on rating (5.0 vs 3.1) and in-app purchases (none vs 4). Minor Miner's advantage is update cadence (fortnightly vs every 7 months) and ratings volume (7 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Minor Miner sells 4 one-off in-app purchases. AI Concentration asks for nothing beyond the download.

AI Concentration holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Minor Miner has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Minor Miner's written reviews are positive against 100% of AI Concentration's.

Minor Miner ships an update fortnightly, AI Concentration every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Minor Miner | AI Concentration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/minor-miner-mining-action/id1604388625/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-concentration/id6444780287/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 133 MB | 96 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +9 |
| Developer | [Dong Jun Sohn](https://appshunter.io/developer/1516215680) | [Tahito Aoki](https://appshunter.io/developer/289946976) |

## What reviewers say

### Minor Miner

[App page](https://appshunter.io/ios/app/minor-miner-mining-action/id1604388625)

Navigate treacherous mines, dodging high-tech goblins. This arcade game offers offline play after initial setup and allows account-based save data transfer between devices. Adjust the user interface to fit your screen's notch.

**Highlights:** Offline Mode Support, Save Data Transfer, UI Position Adjustment, High-Tech Goblin Avoidance, Arcade Gameplay

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Jewels | $0.99 | one-time |
| 410 Jewels | $3.99 | one-time |
| VIP Pass | $4.99 | one-time |
| 1600 Jewels | $14.99 | one-time |


### AI Concentration

[App page](https://appshunter.io/ios/app/ai-concentration/id6444780287)

Engage in a unique matching game using AI-generated images. Instead of identical pairs, match illustrations based on shared themes. Success requires memorization and understanding the AI's creative interpretations.

**Highlights:** AI-generated illustrations, Theme-based matching, Illustration collection, 16 unique themes, 80 total illustrations

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Minor Miner free?

Minor Miner is free to download, with in-app purchases available.

### Is AI Concentration free?

AI Concentration is free to download, with no in-app purchases.

### Which has better reviews, Minor Miner or AI Concentration?

AI Concentration is rated higher. Minor Miner averages 3.1 out of 5 from 7 ratings, while AI Concentration averages 5.0 from 1 ratings.

### Do Minor Miner or AI Concentration have ads?

Both Minor Miner and AI Concentration show ads.

### Which is updated more often, Minor Miner or AI Concentration?

Minor Miner ships an update fortnightly, and AI Concentration every 7 months. Most recently, Minor Miner was updated on October 24, 2026 and AI Concentration on October 24, 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.*