# Quick Calc Hydraulics vs LOGIX iCruise RSS Downlink

The clearest difference is update cadence: LOGIX iCruise RSS Downlink at every 3 months against Quick Calc Hydraulics's every 7 months. Quick Calc Hydraulics's advantage is iOS requirement (9.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Quick Calc Hydraulics ships an update every 7 months, LOGIX iCruise RSS Downlink every 3 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Quick Calc Hydraulics | LOGIX iCruise RSS Downlink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/quick-calc-hydraulics/id404002035/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 88 MB | 62 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Schlumberger Technology Corporation](https://appshunter.io/developer/380098290) | [Halliburton](https://appshunter.io/developer/401718908) |

## What reviewers say

### Quick Calc Hydraulics

[App page](https://appshunter.io/ios/app/quick-calc-hydraulics/id404002035)

This app calculates hydraulic horsepower, jet velocity, and impact forces at a jet nozzle orifice for earth-boring operations. Users input fluid density, flow rates, TFA, and bit diameter to get results for conventional drilling fluids. Calculated data can be shared with contacts.

**Highlights:** Hydraulic horsepower calculation, Jet velocity calculation, Impact force calculation, Input fluid density, flow rates, TFA, and bit diameter, Share results with contacts

**Features:** macOS Compatibility

**In-app purchases:** none


### LOGIX iCruise RSS Downlink

[App page](https://appshunter.io/ios/app/logix-icruise-rss-downlink/id6454792245)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quick Calc Hydraulics free?

Quick Calc Hydraulics is free to download, with no in-app purchases.

### Is LOGIX iCruise RSS Downlink free?

LOGIX iCruise RSS Downlink is free to download, with no in-app purchases.

### Do Quick Calc Hydraulics or LOGIX iCruise RSS Downlink have ads?

Neither Quick Calc Hydraulics nor LOGIX iCruise RSS Downlink shows ads.

### Which is updated more often, Quick Calc Hydraulics or LOGIX iCruise RSS Downlink?

Quick Calc Hydraulics ships an update every 7 months, and LOGIX iCruise RSS Downlink every 3 months. Most recently, Quick Calc Hydraulics was updated on November 10, 2026 and LOGIX iCruise RSS Downlink 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.*