# HVAC PT Chart vs +Manager by Concierge Plus

The clearest difference is in-app purchases: +Manager by Concierge Plus at none against HVAC PT Chart's 2. +Manager by Concierge Plus also leads on update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HVAC PT Chart sells 2 one-off in-app purchases. +Manager by Concierge Plus asks for nothing beyond the download.

HVAC PT Chart ships an update every 5 months, +Manager by Concierge Plus weekly. The most recent releases landed on November 6, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | HVAC PT Chart | +Manager by Concierge Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/hvac-pt-chart/id508212589/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free | — |
| Size | 10 MB | 104 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Concierge Plus Inc.](https://appshunter.io/developer/1548427164) |

## What reviewers say

### HVAC PT Chart

[App page](https://appshunter.io/ios/app/hvac-pt-chart/id508212589)

This tool provides HVAC technicians with instant access to pressure and temperature data for over 100 refrigerants. It allows users to input one value to find the other, view detailed refrigerant properties, and email comprehensive charts and data.

**Highlights:** Pressure/temperature lookup for 100+ refrigerants, Input temperature to find pressure, or vice versa, Slider control for precise value selection, Email complete PT chart lists and refrigerant properties, Display common refrigerant properties, Adjust for atmospheric pressure based on city elevation, English and Metric unit options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner Display Ad | $0.99 | one-time |
| HVAC Equipment Locator | $9.99 | one-time |


### +Manager by Concierge Plus

[App page](https://appshunter.io/ios/app/plus-manager-by-concierge-plus/id6762233447)

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

**In-app purchases:** none


## Frequently asked questions

### Is HVAC PT Chart free?

HVAC PT Chart is free to download, with in-app purchases available.

### Is +Manager by Concierge Plus free?

+Manager by Concierge Plus is free to download, with no in-app purchases.

### Do HVAC PT Chart or +Manager by Concierge Plus have ads?

Neither HVAC PT Chart nor +Manager by Concierge Plus shows ads.

### Which is updated more often, HVAC PT Chart or +Manager by Concierge Plus?

HVAC PT Chart ships an update every 5 months, and +Manager by Concierge Plus weekly. Most recently, HVAC PT Chart was updated on November 6, 2026 and +Manager by Concierge Plus on November 13, 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.*