# Quest Psychrometric Calculator vs NetSure

The clearest difference is update cadence: NetSure at every 6 weeks against Quest Psychrometric Calculator's every 13 months. Quest Psychrometric Calculator's advantage is iOS requirement (5.1.1 vs 11.0). 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.

Quest Psychrometric Calculator ships an update every 13 months, NetSure every 6 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Quest Psychrometric Calculator | NetSure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quest-psychrometric-calculator/id422237818/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 24 MB |
| Requires iOS | **5.1.1** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Therma-Stor, LLC](https://appshunter.io/developer/380722235) | [Vertiv](https://appshunter.io/developer/1288641397) |

## What reviewers say

### Quest Psychrometric Calculator

[App page](https://appshunter.io/ios/app/quest-psychrometric-calculator/id422237818)

Easily calculate essential psychrometric values like dew point and grains per pound by simply adjusting temperature and humidity. It also helps determine dehumidifier performance by calculating water removal based on CFM and air conditions.

**Highlights:** Dew point calculation, Grains per pound calculation, Dehumidifier performance calculation, Temperature and humidity input, Water removal calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### NetSure

[App page](https://appshunter.io/ios/app/netsure/id1522532611)

**In-app purchases:** none


## Frequently asked questions

### Is Quest Psychrometric Calculator free?

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

### Is NetSure free?

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

### Do Quest Psychrometric Calculator or NetSure have ads?

Neither Quest Psychrometric Calculator nor NetSure shows ads.

### Which is updated more often, Quest Psychrometric Calculator or NetSure?

Quest Psychrometric Calculator ships an update every 13 months, and NetSure every 6 weeks. Most recently, Quest Psychrometric Calculator was updated on November 1, 2026 and NetSure on November 7, 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.*