# Pump Rate Calculator vs DrillOut Calcs

The clearest difference is review sentiment: DrillOut Calcs at 100% against Pump Rate Calculator's 50%. DrillOut Calcs also leads on update cadence (every 3 weeks vs every 2 months). Pump Rate Calculator's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 18.5). 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.

Pump Rate Calculator ships an update every 2 months, DrillOut Calcs every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pump Rate Calculator | DrillOut Calcs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/drillout-calcs/id6754534235/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ash Point Ltd.](https://appshunter.io/developer/567630274) | [Cody Martin](https://appshunter.io/developer/1796736420) |

## What reviewers say

### Pump Rate Calculator

[App page](https://appshunter.io/ios/app/pump-rate-calculator/id567630271)

This utility app helps oilfield professionals quickly calculate pump rates, volume pumped, and time spent pumping. Simply input the pump coefficient and tap along with the pump strokes for instant results.

**Highlights:** Calculate pump rate, Calculate volume pumped, Calculate time pumping, Track time started, Input pump coefficient

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### DrillOut Calcs

[App page](https://appshunter.io/ios/app/drillout-calcs/id6754534235)

This app offers essential calculations for oilfield professionals performing post-frac plug drill-outs. It provides quick and accurate tools to verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time, designed for simplicity and speed.

**Highlights:** Post-frac plug drill-out calculations, Flow balance verification, Annular velocity calculation, Sweep efficiency assessment, Surface return timing, Real-time data verification

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

**In-app purchases:** none


## Frequently asked questions

### Is Pump Rate Calculator free?

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

### Is DrillOut Calcs free?

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

### Do Pump Rate Calculator or DrillOut Calcs have ads?

Neither Pump Rate Calculator nor DrillOut Calcs shows ads.

### Which is updated more often, Pump Rate Calculator or DrillOut Calcs?

Pump Rate Calculator ships an update every 2 months, and DrillOut Calcs every 3 weeks. Most recently, Pump Rate Calculator was updated on November 1, 2026 and DrillOut Calcs on October 30, 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.*