# Pump Rate Calculator vs Drillstring Toolbox

The clearest difference is review sentiment: Drillstring Toolbox at 100% against Pump Rate Calculator's 50%. Pump Rate Calculator's advantage is update cadence (every 2 months vs every 39 months). 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, Drillstring Toolbox every 39 months. The most recent releases landed on September 14, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Pump Rate Calculator | Drillstring Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/drillstring-toolbox/id1068605189/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 39 months |
| Monetization | Free | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ash Point Ltd.](https://appshunter.io/developer/567630274) | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) |

## 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


### Drillstring Toolbox

[App page](https://appshunter.io/ios/app/drillstring-toolbox/id1068605189)

This utility app calculates drill-stem load capacities based on API connections and sizes. It also provides makeup torque and tensile capacity, as well as tensile and torsion capacities for drill pipe tubes.

**Highlights:** Drill-stem load capacity calculation, API connection selection, Makeup torque calculation, Tensile capacity calculation, Drill pipe tube capacities

**Features:** macOS Compatibility

**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 Drillstring Toolbox free?

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

### Do Pump Rate Calculator or Drillstring Toolbox have ads?

Neither Pump Rate Calculator nor Drillstring Toolbox shows ads.

### Which is updated more often, Pump Rate Calculator or Drillstring Toolbox?

Pump Rate Calculator ships an update every 2 months, and Drillstring Toolbox every 39 months. Most recently, Pump Rate Calculator was updated on September 14, 2026 and Drillstring Toolbox on September 5, 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.*