# Xia's Calc vs Formula

Xia's Calc and Formula are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Xia's Calc | Formula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 5 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [huajun xia](https://appshunter.io/developer/6780299504) | [Rostislav Lyashko](https://appshunter.io/developer/6815340466) |

## What reviewers say

### Xia's Calc

[App page](https://appshunter.io/ios/app/xias-calc/id6804538706)

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

**In-app purchases:** none


### Formula

[App page](https://appshunter.io/ios/app/formula-editable-calculator/id6815340464)

**In-app purchases:** none


## Frequently asked questions

### Is Xia's Calc free?

Xia's Calc is free to download, with no in-app purchases.

### Is Formula free?

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

### Do Xia's Calc or Formula have ads?

Neither Xia's Calc nor Formula shows ads.

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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.*