# HVAC Toolkit Ultimate vs RTFC Translator

The clearest difference is price: RTFC Translator at $9.99 against HVAC Toolkit Ultimate's $59.99. HVAC Toolkit Ultimate's advantage is iOS requirement (13.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

HVAC Toolkit Ultimate costs $59.99 and RTFC Translator $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HVAC Toolkit Ultimate ships an update every 6 months, RTFC Translator every 5 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HVAC Toolkit Ultimate | RTFC Translator |
| --- | --- | --- |
| Price | $59.99 | **$9.99** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/hvac-toolkit-ultimate/id391408247/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 59 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Johannes Hubert](https://appshunter.io/developer/1539980367) |

## What reviewers say

### HVAC Toolkit Ultimate

[App page](https://appshunter.io/ios/app/hvac-toolkit-ultimate/id391408247)

This comprehensive application offers a suite of tools for HVAC professionals, including load calculations, equipment tracking, refrigerant charts, duct and pipe sizing, and psychrometric analysis. It consolidates multiple functionalities into a single, powerful utility for field and office use.

**Highlights:** Residential load calculations, Equipment nameplate data tracking, Refrigerant pressure-temperature charts, Superheat and subcool calculations, Duct and pipe sizing analysis, Psychrometric calculations, Steam table property calculations

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

**In-app purchases:** none


### RTFC Translator

[App page](https://appshunter.io/ios/app/rtfc-translator/id1539980365)

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

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Toolkit Ultimate free?

HVAC Toolkit Ultimate costs $59.99, with no in-app purchases.

### Is RTFC Translator free?

RTFC Translator costs $9.99, with no in-app purchases.

### Do HVAC Toolkit Ultimate or RTFC Translator have ads?

Neither HVAC Toolkit Ultimate nor RTFC Translator shows ads.

### Which is updated more often, HVAC Toolkit Ultimate or RTFC Translator?

HVAC Toolkit Ultimate ships an update every 6 months, and RTFC Translator every 5 months. Most recently, HVAC Toolkit Ultimate was updated on November 1, 2026 and RTFC Translator on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*