# QuantumPass vs Cryogenics Pro

The clearest difference is update cadence: Cryogenics Pro at every 10 days against QuantumPass's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QuantumPass sells 3 one-off in-app purchases and Cryogenics Pro sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

QuantumPass ships an update every 10 months, Cryogenics Pro every 10 days. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | QuantumPass | Cryogenics Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cryogenics-pro/id6757348860/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 54 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Valerie Otero](https://appshunter.io/developer/1848585337) | [立中 侯](https://appshunter.io/developer/1532582722) |

## What reviewers say

### QuantumPass

[App page](https://appshunter.io/ios/app/quantumpass/id6755789663)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Medium coffee | $3.99 | one-time |
| Large coffee | $5.99 | one-time |


### Cryogenics Pro

[App page](https://appshunter.io/ios/app/cryogenics-pro/id6757348860)

This app provides thermodynamic calculations and equipment sizing tools for engineers. It offers accurate fluid data and process analysis using the CoolProp library, with features like unit conversion and basic fluid property queries.

**Highlights:** Thermodynamic calculations, Equipment sizing tools, CoolProp library integration, Unit converter, Basic fluid properties, Engineering guidelines

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Lifecycle purchase. | $29.99 | one-time |


## Frequently asked questions

### Is QuantumPass free?

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

### Is Cryogenics Pro free?

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

### Do QuantumPass or Cryogenics Pro have ads?

Neither QuantumPass nor Cryogenics Pro shows ads.

### Which is updated more often, QuantumPass or Cryogenics Pro?

QuantumPass ships an update every 10 months, and Cryogenics Pro every 10 days. Most recently, QuantumPass was updated on October 6, 2026 and Cryogenics Pro on October 18, 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.*