# MPRMS vs Neptune Slurry Calculator

The clearest difference is review sentiment: Neptune Slurry Calculator at 100% against MPRMS's 34%. Neptune Slurry Calculator also leads on rating (5.0 vs 2.3). MPRMS's advantage is update cadence (every 2 months vs every 50 months) and ratings volume (6 vs 2). 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.

Neptune Slurry Calculator holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 34% of MPRMS's written reviews are positive against 100% of Neptune Slurry Calculator's.

MPRMS ships an update every 2 months, Neptune Slurry Calculator every 50 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | MPRMS | Neptune Slurry Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/mprms/id366254517/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/neptune-slurry-calculator/id1095701474/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 34.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 50 months |
| Monetization | Free | Free |
| Size | 28 MB | 16 MB |
| Requires iOS | **7.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KUK HYEONG KIM](https://appshunter.io/developer/1037784257) | [Chuck Baxter](https://appshunter.io/developer/1095701473) |

## What reviewers say

### MPRMS

[App page](https://appshunter.io/ios/app/mprms/id366254517)

This application allows users to remotely monitor their DVR systems. It provides a convenient way to view live feeds and manage recordings from your mobile device.

**Highlights:** Remote DVR monitoring, Live feed viewing, Manage recordings, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


### Neptune Slurry Calculator

[App page](https://appshunter.io/ios/app/neptune-slurry-calculator/id1095701474)

Calculate essential slurry and pump parameters for the sand and aggregate industries. This tool offers dynamic head, horsepower, mass balance, and flow calculations, along with unit conversions.

**Highlights:** Pump total dynamic head and horsepower calculations, Pipe line velocities, Mass balances, Flow over weirs, Motor information, Unit conversions (% solids to SG, psi to ft. of head, mesh sizes)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MPRMS free?

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

### Is Neptune Slurry Calculator free?

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

### Which has better reviews, MPRMS or Neptune Slurry Calculator?

Neptune Slurry Calculator is rated higher. MPRMS averages 2.3 out of 5 from 6 ratings, while Neptune Slurry Calculator averages 5.0 from 2 ratings.

### Do MPRMS or Neptune Slurry Calculator have ads?

Neither MPRMS nor Neptune Slurry Calculator shows ads.

### Which is updated more often, MPRMS or Neptune Slurry Calculator?

MPRMS ships an update every 2 months, and Neptune Slurry Calculator every 50 months. Most recently, MPRMS was updated on November 1, 2026 and Neptune Slurry Calculator on November 2, 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.*