# Heat Exchanger Performance vs Conductivity Basic for EC115B

The clearest difference is price: Conductivity Basic for EC115B at Free against Heat Exchanger Performance's $4.99. Conductivity Basic for EC115B also leads on iOS requirement (9.0 vs 14.3). Heat Exchanger Performance's advantage is update cadence (every 6 months vs every 15 months). On ads, in-app purchases and device support there is nothing between them.

Conductivity Basic for EC115B is free to download; Heat Exchanger Performance costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Heat Exchanger Performance ships an update every 6 months, Conductivity Basic for EC115B every 15 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Heat Exchanger Performance | Conductivity Basic for EC115B |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 15 months |
| Monetization | Paid | — |
| Size | 1 MB | 20 MB |
| Requires iOS | 14.3 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) |

## What reviewers say

### Heat Exchanger Performance

[App page](https://appshunter.io/ios/app/heat-exchanger-performance/id499929799)

Evaluate shell and tube heat exchanger performance, including overall heat transfer U-coefficient and maintenance needs based on performance changes. Save and reload multiple heat exchanger data sets for continuous monitoring.

**Highlights:** Evaluate overall heat transfer U-coefficient, Determine maintenance requirements, Save and reload multiple heat exchanger data, Select common industrial fluids, Create custom fluid properties, Edit data in SI and USCS units, Compute heat transfer area

**Features:** macOS Compatibility

**In-app purchases:** none


### Conductivity Basic for EC115B

[App page](https://appshunter.io/ios/app/conductivity-basic-for-ec115b/id1315394053)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heat Exchanger Performance free?

Heat Exchanger Performance costs $4.99, with no in-app purchases.

### Is Conductivity Basic for EC115B free?

Conductivity Basic for EC115B is free to download, with no in-app purchases.

### Do Heat Exchanger Performance or Conductivity Basic for EC115B have ads?

Neither Heat Exchanger Performance nor Conductivity Basic for EC115B shows ads.

### Which is updated more often, Heat Exchanger Performance or Conductivity Basic for EC115B?

Heat Exchanger Performance ships an update every 6 months, and Conductivity Basic for EC115B every 15 months. Most recently, Heat Exchanger Performance was updated on October 4, 2026 and Conductivity Basic for EC115B on October 7, 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.*