# Drillstring Toolbox vs Max Maintenance

The clearest difference is rating: Max Maintenance at 5.0 against Drillstring Toolbox's 3.3. Max Maintenance also leads on update cadence (every 3 weeks 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.

Max Maintenance holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Drillstring Toolbox ships an update every 39 months, Max Maintenance every 3 weeks. The most recent releases landed on September 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Drillstring Toolbox | Max Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/drillstring-toolbox/id1068605189/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/max-maintenance/id6449554920/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 68 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) | [NOV Inc.](https://appshunter.io/developer/578550101) |

## 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


### Max Maintenance

[App page](https://appshunter.io/ios/app/max-maintenance/id6449554920)

This mobile tool provides essential asset maintenance information and allows users to manage work orders and material transfers. Its offline functionality ensures productivity in remote areas or locations with poor connectivity.

**Highlights:** Comprehensive asset information access, Execute planned work orders, Create unplanned work orders, Interactive checklists for inspections, Approve material transfers, Offline functionality for continuous work

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

**In-app purchases:** none


## Frequently asked questions

### Is Drillstring Toolbox free?

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

### Is Max Maintenance free?

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

### Which has better reviews, Drillstring Toolbox or Max Maintenance?

Max Maintenance is rated higher. Drillstring Toolbox averages 3.3 out of 5 from 3 ratings, while Max Maintenance averages 5.0 from 2 ratings.

### Do Drillstring Toolbox or Max Maintenance have ads?

Neither Drillstring Toolbox nor Max Maintenance shows ads.

### Which is updated more often, Drillstring Toolbox or Max Maintenance?

Drillstring Toolbox ships an update every 39 months, and Max Maintenance every 3 weeks. Most recently, Drillstring Toolbox was updated on September 5, 2026 and Max Maintenance on September 24, 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.*