# Drillstring Toolbox vs CEMPRO Lite

The clearest difference is review sentiment: Drillstring Toolbox at 100% against CEMPRO Lite's 0%. CEMPRO Lite's advantage is rating (3.8 vs 3.3) and update cadence (every 2 months vs every 39 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

CEMPRO Lite holds the better App Store score, 3.8 against 3.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 100% of Drillstring Toolbox's written reviews are positive against 0% of CEMPRO Lite's, so the app with the better star average is not the one people write more warmly about.

Drillstring Toolbox ships an update every 39 months, CEMPRO Lite every 2 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Drillstring Toolbox | CEMPRO Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/drillstring-toolbox/id1068605189/reviews) | **[3.8 (4 ratings)](https://appshunter.io/ios/app/cempro-lite/id1116681742/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | 14.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) | [Pegasus Vertex, Inc.](https://appshunter.io/developer/954796003) |

## What reviewers say

### 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


### CEMPRO Lite

[App page](https://appshunter.io/ios/app/cempro-lite/id1116681742)

This app simplifies complex wellbore calculations for cementing jobs. It allows users to quickly and accurately determine slurry volumes and visualize wellbore schematics with fluids. The tool helps create realistic casing strings and understand cementing processes more effectively.

**Highlights:** Slurry volume calculations, Wellbore schematic visualization, Realistic casing/working string creation, Fluid location and pumping volume specification, Handles up to 10 pipe sections, Supports up to 10 circulating fluids

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Drillstring Toolbox free?

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

### Is CEMPRO Lite free?

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

### Which has better reviews, Drillstring Toolbox or CEMPRO Lite?

CEMPRO Lite is rated higher. Drillstring Toolbox averages 3.3 out of 5 from 3 ratings, while CEMPRO Lite averages 3.8 from 4 ratings.

### Do Drillstring Toolbox or CEMPRO Lite have ads?

Neither Drillstring Toolbox nor CEMPRO Lite shows ads.

### Which is updated more often, Drillstring Toolbox or CEMPRO Lite?

Drillstring Toolbox ships an update every 39 months, and CEMPRO Lite every 2 months. Most recently, Drillstring Toolbox was updated on October 7, 2026 and CEMPRO Lite on September 28, 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.*