# Saybolt Conformancy vs Class surveyor

The clearest difference is iOS requirement: Class surveyor at 11.0 against Saybolt Conformancy's 14.0. 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 Conformancy | Class surveyor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Size | 1 MB | 58 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saybolt International B.V.](https://appshunter.io/developer/493919167) | [OLEKSANDR IZERGIN](https://appshunter.io/developer/1678396126) |

## What reviewers say

### Saybolt Conformancy

[App page](https://appshunter.io/ios/app/saybolt-conformancy/id1499783769)

**In-app purchases:** none


### Class surveyor

[App page](https://appshunter.io/ios/app/class-surveyor/id6450609017)

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

**In-app purchases:** none


## Frequently asked questions

### Is Saybolt Conformancy free?

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

### Is Class surveyor free?

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

### Do Saybolt Conformancy or Class surveyor have ads?

Neither Saybolt Conformancy nor Class surveyor 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.*