# measureQuick HVAC vs Invoice Maker

The clearest difference is in-app purchases: measureQuick HVAC at none against Invoice Maker's 2. measureQuick HVAC also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Invoice Maker's advantage is update cadence (monthly vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $7.99 per 7 days. measureQuick HVAC asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for measureQuick HVAC against 5.0 for Invoice Maker. Both are backed by a comparable volume of ratings — 5 and 5 respectively.

measureQuick HVAC ships an update every 2 months, Invoice Maker monthly. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | measureQuick HVAC | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/measurequick-hvac/id1273187731/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/invoice-maker-invoflow/id6756097909/reviews) |
| Number of ratings | 5 | 5 |
| Positive reviews | 38.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 144 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [measureQuick](https://appshunter.io/developer/1227222427) | [Pixoo LLC](https://appshunter.io/developer/1839405939) |

## What reviewers say

### measureQuick HVAC

[App page](https://appshunter.io/ios/app/measurequick-hvac/id1273187731)

This application helps HVAC technicians diagnose and repair systems quickly and accurately. It offers robust diagnostic tools to identify problems faster, leading to fewer callbacks and more satisfied customers. It supports various HVAC systems, making it an all-in-one solution for professionals.

**Highlights:** Quick HVAC system diagnosis, Accurate repair solutions, Reduced troubleshooting time, All-in-one HVAC system support, Improved customer satisfaction

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent diagnostic tool
- 🚀 Improves efficiency and standardization
- 💡 Elevates the HVAC industry
- 👍 Useful for both experienced and junior technicians
- 👍 Provides professional-looking reports

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 🔒 Too much personal information required
- 💰 Overpriced, especially for the paid features
- 🔒 Restricting screenshot functionality behind a paywall
- 🔍 Overly complicated user interface

**Reported bugs**

- App not loading or showing a blank screen
- Bluetooth device connectivity issues
- Frequent need to delete and reinstall the app
- Incompatibility with newer iOS versions

**Requested features**

- Add support for more HVAC tools and equipment
- Improve compatibility with iOS updates
- Provide a more user-friendly classic view
- Offer a reasonable monthly/annual subscription option
- Add a static pressure gauge


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-invoflow/id6756097909)

Create and send professional invoices quickly and easily. Save client and service details for faster billing, track payments, and export polished PDF invoices. Ideal for freelancers and small businesses needing efficient invoicing.

**Highlights:** Fast invoice creation (under 30 seconds), Smart templates for clients and services, PDF export for sharing, Multi-currency support, Payment tracking dashboard, Offline access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker - Weekly | $7.99 | per 7 days |
| Invoice Maker - Yearly | $39.99 | per year |


## Frequently asked questions

### Is measureQuick HVAC free?

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

### Is Invoice Maker free?

Invoice Maker is free to download, with in-app purchases available.

### Which has better reviews, measureQuick HVAC or Invoice Maker?

measureQuick HVAC and Invoice Maker are both rated 5.0 out of 5 on the App Store, from 5 and 5 ratings respectively.

### Do measureQuick HVAC or Invoice Maker have ads?

Invoice Maker shows ads; measureQuick HVAC does not.

### Which is updated more often, measureQuick HVAC or Invoice Maker?

measureQuick HVAC ships an update every 2 months, and Invoice Maker monthly. Most recently, measureQuick HVAC was updated on October 17, 2026 and Invoice Maker on October 10, 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.*