# DropReference vs HVAC Field Tools

The clearest difference is in-app purchases: DropReference at none against HVAC Field Tools's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HVAC Field Tools sells 1 one-off in-app purchase. DropReference asks for nothing beyond the download.

## The numbers

| Metric | DropReference | HVAC Field Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dropreference/id6802945935/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 53 MB | 2 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DropReference](https://appshunter.io/developer/6802945937) | [Compass Sercurity Pte. Ltd.](https://appshunter.io/developer/1660239749) |

## What reviewers say

### DropReference

[App page](https://appshunter.io/ios/app/dropreference/id6802945935)

This app helps gamers build their ideal PC without overspending or extensive research. It offers guided, expert, and community-driven build options, price comparisons, and FPS estimates for popular games.

**Highlights:** Guided PC configuration, Expert part selection with filters, Community-assisted builds, Merchant price comparison, Price history and drop alerts, Estimated FPS for 148 games, GPU performance comparison

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

**In-app purchases:** none


### HVAC Field Tools

[App page](https://appshunter.io/ios/app/hvac-field-tools-calculator/id6807820291)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Tools Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is DropReference free?

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

### Is HVAC Field Tools free?

HVAC Field Tools is free to download, with in-app purchases available.

### Do DropReference or HVAC Field Tools have ads?

Neither DropReference nor HVAC Field Tools 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.*