# HVAC Toolkit vs Outkeepr

The clearest difference is price: Outkeepr at Free against HVAC Toolkit's $23.99. Outkeepr also leads on review sentiment (100% vs 73%) and update cadence (every 2 months vs every 6 months). HVAC Toolkit's advantage is iOS requirement (13.0 vs 15.1). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Outkeepr is free to download; HVAC Toolkit costs $23.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for HVAC Toolkit against 5.0 for Outkeepr. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews are what separate them: 73% of HVAC Toolkit's written reviews are positive against 100% of Outkeepr's.

HVAC Toolkit ships an update every 6 months, Outkeepr every 2 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | HVAC Toolkit | Outkeepr |
| --- | --- | --- |
| Price | $23.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/hvac-toolkit/id354558963/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/outkeepr/id6503948652/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 50 MB | 62 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Fitzgerald Technologies LLC](https://appshunter.io/developer/1750487045) |

## What reviewers say

### HVAC Toolkit

[App page](https://appshunter.io/ios/app/hvac-toolkit/id354558963)

This comprehensive toolkit offers essential HVAC calculations and tools for professionals. It combines multiple specialized applications into a single, convenient package for iPhone and iPad users.

**Highlights:** Equipment tracking and customization, Refrigerant pressure-temperature charts, Refrigerant charge calculations, Duct sizing, Cooling and heating load calculations, Psychrometric calculations, Steam tables, Pipe sizing for liquid, steam, and gas

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

**In-app purchases:** none


### Outkeepr

[App page](https://appshunter.io/ios/app/outkeepr/id6503948652)

Automate your vacation rental business with an AI co-host. Manage guest communication, cleaner scheduling, smart locks, and property performance from a single platform.

**Highlights:** AI-powered guest messaging, Automated cleaner scheduling and payments, Smart lock and climate automation, Real-time arrival and activity alerts, Unified inbox with conversation intelligence, Property performance dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Toolkit free?

HVAC Toolkit costs $23.99, with no in-app purchases.

### Is Outkeepr free?

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

### Which has better reviews, HVAC Toolkit or Outkeepr?

HVAC Toolkit and Outkeepr are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do HVAC Toolkit or Outkeepr have ads?

Neither HVAC Toolkit nor Outkeepr shows ads.

### Which is updated more often, HVAC Toolkit or Outkeepr?

HVAC Toolkit ships an update every 6 months, and Outkeepr every 2 months. Most recently, HVAC Toolkit was updated on September 14, 2026 and Outkeepr on September 21, 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.*