# Saybolt Calculator vs Verlink Mail

The clearest difference is iOS requirement: Saybolt Calculator at 9.3 against Verlink Mail's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Saybolt Calculator | Verlink Mail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 2 MB | 52 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saybolt International B.V.](https://appshunter.io/developer/493919167) | [Stanislav Senkevich](https://appshunter.io/developer/1564072215) |

## What reviewers say

### Saybolt Calculator

[App page](https://appshunter.io/ios/app/saybolt-calculator/id1407264308)

**In-app purchases:** none


### Verlink Mail

[App page](https://appshunter.io/ios/app/verlink-mail/id1564315995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Saybolt Calculator free?

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

### Is Verlink Mail free?

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

### Do Saybolt Calculator or Verlink Mail have ads?

Neither Saybolt Calculator nor Verlink Mail 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.*