# Conv3rtify vs PrefixCalc

The clearest difference is in-app purchases: PrefixCalc at none against Conv3rtify's 1. PrefixCalc also leads on iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Conv3rtify sells 1 one-off in-app purchase. PrefixCalc asks for nothing beyond the download.

## The numbers

| Metric | Conv3rtify | PrefixCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 26 months | — |
| Size | 40 MB | 28 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Emeliyanov](https://appshunter.io/developer/1602343908) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### Conv3rtify

[App page](https://appshunter.io/ios/app/conv3rtify/id1602343906)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Conv3rtify+ | $2.99 | one-time |


### PrefixCalc

[App page](https://appshunter.io/ios/app/prefixcalc/id6748650037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Conv3rtify free?

Conv3rtify is free to download, with in-app purchases available.

### Is PrefixCalc free?

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

### Do Conv3rtify or PrefixCalc have ads?

Neither Conv3rtify nor PrefixCalc 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.*