# Leak Calculator vs CTE Calculator

The clearest difference is iOS requirement: Leak Calculator at 6.0 against CTE Calculator's 13.4. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Leak Calculator against 5.0 for CTE Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Leak Calculator ships an update every 18 months, CTE Calculator every 15 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Leak Calculator | CTE Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/leak-calculator/id682051197/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cte-calculator/id1535102492/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 15 months** |
| Monetization | Free | Free |
| Size | 5 MB | 24 MB |
| Requires iOS | **6.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uson L.P.](https://appshunter.io/developer/682051200) | [Verisurf](https://appshunter.io/developer/468050982) |

## What reviewers say

### Leak Calculator

[App page](https://appshunter.io/ios/app/leak-calculator/id682051197)

Estimate production rates and cycle times for leak testing with this pocket-sized tool. It offers multiple calculation options and unit conversions, serving as a valuable resource for professionals in the field.

**Highlights:** Solve for Total Cycle Time, Solve Part Volume, Solve Leak Rate, Solve for Expected Pressure Change, Solve for Test Time, Pressure Decay Cycle Time, Unit Converters

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

**In-app purchases:** none


### CTE Calculator

[App page](https://appshunter.io/ios/app/cte-calculator/id1535102492)

This utility app helps determine the change in length of common manufacturing materials caused by temperature fluctuations. It provides quick calculations for various materials, making it a handy tool for engineers and manufacturers on the go.

**Highlights:** Temperature effect calculations, Change in length determination, Common manufacturing materials, Portable utility, iOS compatible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leak Calculator free?

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

### Is CTE Calculator free?

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

### Which has better reviews, Leak Calculator or CTE Calculator?

Leak Calculator and CTE Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Leak Calculator or CTE Calculator have ads?

Neither Leak Calculator nor CTE Calculator shows ads.

### Which is updated more often, Leak Calculator or CTE Calculator?

Leak Calculator ships an update every 18 months, and CTE Calculator every 15 months. Most recently, Leak Calculator was updated on November 1, 2026 and CTE Calculator on November 3, 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.*