# Heat Exchanger Area vs ADCA Tools

The clearest difference is price: ADCA Tools at Free against Heat Exchanger Area's $1.99. ADCA Tools also leads on update cadence (daily vs every 28 months) and iOS requirement (12.0 vs 16.1). On ads, in-app purchases and device support there is nothing between them.

ADCA Tools is free to download; Heat Exchanger Area costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Heat Exchanger Area ships an update every 28 months, ADCA Tools daily. The most recent releases landed on October 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Heat Exchanger Area | ADCA Tools |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Daily** |
| Size | 1 MB | 28 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [VALSTEAM ADCA ENGINEERING, S.A.](https://appshunter.io/developer/1750422422) |

## What reviewers say

### Heat Exchanger Area

[App page](https://appshunter.io/ios/app/heat-exchanger-area/id1490690839)

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

**In-app purchases:** none


### ADCA Tools

[App page](https://appshunter.io/ios/app/adca-tools/id6503931944)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heat Exchanger Area free?

Heat Exchanger Area costs $1.99, with no in-app purchases.

### Is ADCA Tools free?

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

### Do Heat Exchanger Area or ADCA Tools have ads?

Neither Heat Exchanger Area nor ADCA Tools shows ads.

### Which is updated more often, Heat Exchanger Area or ADCA Tools?

Heat Exchanger Area ships an update every 28 months, and ADCA Tools daily. Most recently, Heat Exchanger Area was updated on October 1, 2026 and ADCA Tools on October 25, 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.*