# Compression Calculator vs EEDM596FK

The clearest difference is review sentiment: EEDM596FK at 40% against Compression Calculator's 0%. EEDM596FK also leads on rating (3.5 vs 3.0) and ratings volume (13 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

EEDM596FK holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 3 and 13 respectively. Written reviews point the same way: 0% of Compression Calculator's written reviews are positive against 40% of EEDM596FK's.

Compression Calculator ships an update every 9 days, EEDM596FK every 10 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Compression Calculator | EEDM596FK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/compression-calculator/id1421927149/reviews) | **[3.5 (13 ratings)](https://appshunter.io/ios/app/eedm596fk/id1440060867/reviews)** |
| Number of ratings | 3 | **13** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free | Free |
| Size | 10 MB | 95 MB |
| Requires iOS | 11.4 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Linszter](https://appshunter.io/developer/530077583) | [Snap-on Inc.](https://appshunter.io/developer/501219324) |

## What reviewers say

### Compression Calculator

[App page](https://appshunter.io/ios/app/compression-calculator/id1421927149)

Calculate engine compression, displacement, and piston speed using specific Honda engine parameters. Select engine components to get precise calculations for your automotive needs.

**Highlights:** Engine compression calculation, Displacement calculation, Piston speed calculation, Honda B, D, H/F, K-Series engine support, Component selection for custom calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### EEDM596FK

[App page](https://appshunter.io/ios/app/eedm596fk/id1440060867)

This app acts as a companion for a digital multimeter, offering a Bluetooth remote display for easier testing of vehicle systems. It allows users to save and digitally share test results, including customer and vehicle details.

**Highlights:** Bluetooth remote display, One-person testing, Store results with customer info, Digitally share readings, Syncs with tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Compression Calculator free?

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

### Is EEDM596FK free?

EEDM596FK is free to download, with no in-app purchases.

### Which has better reviews, Compression Calculator or EEDM596FK?

EEDM596FK is rated higher. Compression Calculator averages 3.0 out of 5 from 3 ratings, while EEDM596FK averages 3.5 from 13 ratings.

### Do Compression Calculator or EEDM596FK have ads?

Neither Compression Calculator nor EEDM596FK shows ads.

### Which is updated more often, Compression Calculator or EEDM596FK?

Compression Calculator ships an update every 9 days, and EEDM596FK every 10 days. Most recently, Compression Calculator was updated on September 30, 2026 and EEDM596FK on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*