Comparison

Drillstring Toolbox vs Max Maintenance

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Drillstring Toolbox

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
Read full description

Drillstring Toolbox is a free calculator from Standard DS-1 that gives you the drill-stem load capacities you need! You can choose an API connection (along with the size you're interested in) to find its recommended makeup torque and tensile capacity. Tap the "Tube" tab to find the tensile and torsion capacities for drill pipe tubes as well!

About

Max Maintenance

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
Read full description

Max Maintenance Mobile is the on-the-go solution for NOV's Max Maintenance application. With its focus on getting work done, users are provided with information critical to maintaining their assets. The offline functionality empowers users to stay productive even in remote locations or areas with limited internet connectivity. Features: 1. Comprehensive Asset Information: Access vital information about your company's assets with ease. 2. Planned Work Orders: Effortlessly execute and complete planned work orders. 3. Unplanned Work Orders: Respond promptly to unexpected issues or urgent repairs with the ability to create unplanned work orders on the fly. 4. Interactive Checklists: Perform inspections and checklists effortlessly. 5. Material Transfers: Simplify the process of approving material transfers. Just approve and sync to minimize delays. 6. Offline Capabilities: Designed to work offline, Max Maintenance Mobile ensures that you can continue your work even in areas with limited or no internet access. Perform tasks, update information, and sync data once you're back online, eliminating any workflow interruptions. Contact NOV today to find out how to join our growing list of satisfied Max Maintenance users.

Screenshots

Drillstring Toolbox2 screens
Max Maintenance3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Drillstring Toolbox versus Max Maintenance: the parameters behind the verdict, then further details
ParameterDrillstring ToolboxMax Maintenance
PriceFreeFree
Rating3.3 (3 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings3 — better2
Update frequencyEvery 39 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size1 MB68 MB
Age rating4+4+
DeveloperBureau Veritas North America, Inc.NOV Inc.

Customer experience

Drillstring Toolbox

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Max Maintenance

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Drillstring Toolbox

No in-app purchases

None

Max Maintenance

No in-app purchases

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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