# 4 Mining vs Circle

The clearest difference is in-app purchases: 4 Mining at none against Circle's 2. 4 Mining also leads on update cadence (every 3 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Circle sells 2 in-app purchases, starting at $4.99 per month. 4 Mining asks for nothing beyond the download.

4 Mining ships an update every 3 days, Circle every 7 months. Both last shipped on October 12, 2026.

## The numbers

| Metric | 4 Mining | Circle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/circle-perfect-circle-cha/id6741995994/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 102 MB | 70 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FROMTHERED](https://appshunter.io/developer/1646382595) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### 4 Mining

[App page](https://appshunter.io/ios/app/4-mining/id6739566263)

**Features:** macOS Compatibility

**In-app purchases:** none


### Circle

[App page](https://appshunter.io/ios/app/circle-perfect-circle-cha/id6741995994)

Test your precision in this simple yet challenging game where you draw circles with your finger. Earn a score based on accuracy and see how close you can get to a perfect circle. It's a quick, casual, and addictive experience for anyone.

**Highlights:** Draw circles with your finger, Score based on precision, Intuitive controls, Quick and casual gameplay, Addictive challenge

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $29.99 | per year |


## Frequently asked questions

### Is 4 Mining free?

4 Mining is free to download, with no in-app purchases.

### Is Circle free?

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

### Do 4 Mining or Circle have ads?

Both 4 Mining and Circle show ads.

### Which is updated more often, 4 Mining or Circle?

4 Mining ships an update every 3 days, and Circle every 7 months. Most recently, 4 Mining was updated on October 12, 2026 and Circle on October 12, 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.*