# Quick Calc Hydraulics vs Enverus Rigs

The clearest difference is review sentiment: Quick Calc Hydraulics at 89% against Enverus Rigs's 36%. Quick Calc Hydraulics also leads on rating (4.9 vs 3.1) and device support (3 vs 1). Enverus Rigs's advantage is update cadence (every 2 months vs every 7 months) and ratings volume (63 vs 9). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Enverus Rigs has 63 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 89% of Quick Calc Hydraulics's written reviews are positive against 36% of Enverus Rigs's.

Quick Calc Hydraulics ships an update every 7 months, Enverus Rigs every 2 months. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Quick Calc Hydraulics | Enverus Rigs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/quick-calc-hydraulics/id404002035/reviews)** | [3.1 (63 ratings)](https://appshunter.io/ios/app/enverus-rigs/id1156350538/reviews) |
| Number of ratings | 9 | **63** |
| Positive reviews | **88.9% of reviews** | 36.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 88 MB | 75 MB |
| Requires iOS | **9.3** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Schlumberger Technology Corporation](https://appshunter.io/developer/380098290) | [Drilling Info, Inc](https://appshunter.io/developer/502980731) |

## 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


### Enverus Rigs

[App page](https://appshunter.io/ios/app/enverus-rigs/id1156350538)

Access detailed rig locations, permits, and DUCs for timely arrival at well sites. Includes additional upstream data like frac crews and well pads, with custom reporting and activity notifications.

**Highlights:** Rig directions and routing, Permit and DUC data, Frac crew and well pad locations, M&A data and international layers, Customizable reports, Activity notifications

**Features:** 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 Enverus Rigs free?

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

### Which has better reviews, Quick Calc Hydraulics or Enverus Rigs?

Quick Calc Hydraulics is rated higher. Quick Calc Hydraulics averages 4.9 out of 5 from 9 ratings, while Enverus Rigs averages 3.1 from 63 ratings.

### Do Quick Calc Hydraulics or Enverus Rigs have ads?

Neither Quick Calc Hydraulics nor Enverus Rigs shows ads.

### Which is updated more often, Quick Calc Hydraulics or Enverus Rigs?

Quick Calc Hydraulics ships an update every 7 months, and Enverus Rigs every 2 months. Most recently, Quick Calc Hydraulics was updated on November 10, 2026 and Enverus Rigs on November 6, 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.*