# x vs Circuit Calculator Pro

The clearest difference is in-app purchases: x at none against Circuit Calculator Pro's 1. x also leads on ads (none vs shown) and iOS requirement (18.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Circuit Calculator Pro sells 1 one-off in-app purchase. x asks for nothing beyond the download.

## The numbers

| Metric | x | Circuit Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Size | 1 MB | 10 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FMILLET](https://appshunter.io/developer/550887984) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### x

[App page](https://appshunter.io/ios/app/x-cal-plus/id6747112339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Circuit Calculator Pro

[App page](https://appshunter.io/ios/app/circuit-calculator-pro/id6757982282)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is x free?

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

### Is Circuit Calculator Pro free?

Circuit Calculator Pro is free to download, with in-app purchases available.

### Do x or Circuit Calculator Pro have ads?

Circuit Calculator Pro shows ads; x does not.

---

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