Comparison

Drillstring Toolbox vs Sanvean RSS Downlink Timer

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

Head to head

Drillstring Toolbox

Free

🔧 Utilities

★ 3.33 ratingsView app →

Sanvean RSS Downlink Timer

Free

🔧 Utilities

No ratingsView app →

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

Sanvean RSS Downlink Timer

Read full description

Timer for steps required for programming the Sanvean RSS tool downhole using RPM and Flow.

Screenshots

Drillstring Toolbox2 screens

Sanvean RSS Downlink Timer4 screens

Verdict

The call

The clearest difference is update cadence: Sanvean RSS Downlink Timer at every 10 months against Drillstring Toolbox's every 39 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Drillstring Toolbox ships an update every 39 months, Sanvean RSS Downlink Timer every 10 months. The most recent releases landed on September 5, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 9 level

Drillstring Toolbox versus Sanvean RSS Downlink Timer: the parameters behind the verdict, then further details
Parameter	Drillstring Toolbox	Sanvean RSS Downlink Timer
Price	Free	Free
Rating	3.3 (3 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	3 — better	—
Update frequency	Every 39 months	Every 10 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0 — better	15.6
Further details — not scored
Size	1 MB	21 MB
Age rating	4+	4+
Developer	Bureau Veritas North America, Inc.	Sanvean Technologies LLC

In-app purchases

None

Drillstring Toolbox

No in-app purchases

None

Sanvean RSS Downlink Timer

No in-app purchases

Questions

Is Drillstring Toolbox free?

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

Is Sanvean RSS Downlink Timer free?

Sanvean RSS Downlink Timer is free to download, with no in-app purchases.

Do Drillstring Toolbox or Sanvean RSS Downlink Timer have ads?

Neither Drillstring Toolbox nor Sanvean RSS Downlink Timer shows ads.

Which is updated more often, Drillstring Toolbox or Sanvean RSS Downlink Timer?

Drillstring Toolbox ships an update every 39 months, and Sanvean RSS Downlink Timer every 10 months. Most recently, Drillstring Toolbox was updated on September 5, 2026 and Sanvean RSS Downlink Timer on September 17, 2026.