# Olson Propane vs Refrigerant Charge Calculator

The clearest difference is in-app purchases: Olson Propane at none against Refrigerant Charge Calculator's 2. Olson Propane also leads on iOS requirement (12.2 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Refrigerant Charge Calculator sells 2 in-app purchases, starting at $4.99 per month. Olson Propane asks for nothing beyond the download.

## The numbers

| Metric | Olson Propane | Refrigerant Charge Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (26 ratings)](https://appshunter.io/ios/app/refrigerant-charge-calculator/id6762469018/reviews)** |
| Number of ratings | — | **26** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 26 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Mikhail Nikitin](https://appshunter.io/developer/1826368571) |

## What reviewers say

### Olson Propane

[App page](https://appshunter.io/ios/app/olson-propane/id1634633633)

**Features:** macOS Compatibility

**In-app purchases:** none


### Refrigerant Charge Calculator

[App page](https://appshunter.io/ios/app/refrigerant-charge-calculator/id6762469018)

This tool helps HVAC and refrigeration technicians quickly determine the correct refrigerant charge for various systems. It provides instant verdicts like 'Add,' 'Hold,' or 'Remove' based on superheat or subcooling measurements, supporting numerous refrigerants and unit conversions. The app functions offline and allows for saving job details and generating PDF reports.

**Highlights:** Charge check by superheat, Charge check by subcooling, Line-set charge estimation, Pressure-Temperature reference, Altitude-corrected pressures, Saved jobs with GPS, One-tap PDF job sheets, Offline functionality

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $4.99 | per month |
| premium | $29.99 | per year |


## Frequently asked questions

### Is Olson Propane free?

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

### Is Refrigerant Charge Calculator free?

Refrigerant Charge Calculator is free to download, with in-app purchases available.

### Do Olson Propane or Refrigerant Charge Calculator have ads?

Neither Olson Propane nor Refrigerant Charge Calculator 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.*