# Unitify vs Formulize

The clearest difference is in-app purchases: Unitify at none against Formulize's 1. Unitify also leads on device support and iOS requirement (15.0 vs 17.5). On price there is nothing between them.

Both are free to download. Formulize sells 1 one-off in-app purchase. Unitify asks for nothing beyond the download.

## The numbers

| Metric | Unitify | Formulize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Size | 5 MB | 30 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Marwa Abou Niaaj](https://appshunter.io/developer/1407184850) | [Morten Gregersen](https://appshunter.io/developer/414244543) |

## What reviewers say

### Unitify

[App page](https://appshunter.io/ios/app/unitify-unit-conversion/id1641864451)

**In-app purchases:** none


### Formulize

[App page](https://appshunter.io/ios/app/formulize/id6503178796)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Formulize Pro | $2.99 | one-time |


## Frequently asked questions

### Is Unitify free?

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

### Is Formulize free?

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

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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.*