# PSC Ready vs Saybolt LiveQ

The clearest difference is update cadence: PSC Ready at every 7 months against Saybolt LiveQ's every 21 months. 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.

PSC Ready ships an update every 7 months, Saybolt LiveQ every 21 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | PSC Ready | Saybolt LiveQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 21 months |
| Size | 31 MB | 2 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas Marine & Offshore](https://appshunter.io/developer/1437614422) | [Saybolt International B.V.](https://appshunter.io/developer/493919167) |

## What reviewers say

### PSC Ready

[App page](https://appshunter.io/ios/app/psc-ready/id1318731256)

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

**In-app purchases:** none


### Saybolt LiveQ

[App page](https://appshunter.io/ios/app/saybolt-liveq/id1460245368)

**In-app purchases:** none


## Frequently asked questions

### Is PSC Ready free?

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

### Is Saybolt LiveQ free?

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

### Do PSC Ready or Saybolt LiveQ have ads?

Neither PSC Ready nor Saybolt LiveQ shows ads.

### Which is updated more often, PSC Ready or Saybolt LiveQ?

PSC Ready ships an update every 7 months, and Saybolt LiveQ every 21 months. Most recently, PSC Ready was updated on October 29, 2026 and Saybolt LiveQ on October 26, 2026.

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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.*