Comparison

Bolt Torque vs Piping Engineer's Toolbox

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

Head to head
About

Bolt Torque

Calculate maximum tightening torque and preloads for various screws. Analyze preloads and stresses to ensure limits are met. All screw data is conveniently presented on a results page.

Highlights
  • Calculate tightening torque
  • Calculate preloads
  • Analyze stresses
  • Check limits
  • View screw data
Features
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Take benefit from my engineering know how and calculate the max. tightening torque and preloads for many iso-metric and imperial screws. Calculate the preloads and stresses and check the limits. All screw data are listed on a result page. This app is a "must have" for all engineers in design departments.

About

Piping Engineer's Toolbox

Features
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Piping Engineer's Toolbox delivers instant, reliable access to comprehensive dimensional, weight, and design data for 72 standard ASME piping components — right at your fingertips. Trusted by engineers and companies worldwide, Piping Engineer's Toolbox has built its reputation on accuracy, consistency, and up-to-date technical data. The app provides detailed specifications aligned with the latest ASME standards, covering Metric, U.S. Customary, and Inch Fraction units across NPS and DN pipe sizes. From pipes and valves to flanges and fittings, Piping Engineer's Toolbox puts everything you need for engineering and field work in one place. Key Features: Extensive ASME specifications, including pipe dimensions (ASME B36.10M/19M-2004), flanges (ASME B16.5-2013), and fittings (ASME B16.9-2007) Full support for welded, threaded, and socket-welded fittings Detailed valve dimensions and weights for gate, globe, butterfly, check, and control valves Non-metallic rings, spiral wound gaskets, and RTJ rings for multiple flange types Complete weight data for pipes, flanges, and valves across various configurations Built for professionals in the piping and engineering industries, Pipedata combines precision, speed, and versatility in one intuitive, easy-to-navigate app. In-App Purchase: Lifetime Premium Privacy Policy: https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms & Conditions: https://privacypolicy50.wordpress.com/terms-and-condition/

Screenshots

Bolt Torque4 screens
Piping Engineer's Toolbox4 screens

Verdict

The call

The clearest difference is update cadence: Bolt Torque at monthly against Piping Engineer's Toolbox's every 21 months. Piping Engineer's Toolbox's advantage is price ($4.99 vs $9.99) and iOS requirement (15.6 vs 18.6). On 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

Bolt Torque costs $9.99 and Piping Engineer's Toolbox $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bolt Torque ships an update monthly, Piping Engineer's Toolbox every 21 months. The most recent releases landed on September 6, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
Bolt Torque versus Piping Engineer's Toolbox: the parameters behind the verdict, then further details
ParameterBolt TorquePiping Engineer's Toolbox
Price$9.99$4.99 — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.6 — better
Further details — not scored
Size1 MB57 MB
Age rating4+4+
DeveloperJochen AutrataAshvin Kevadiya

In-app purchases

None

Bolt Torque

No in-app purchases

None

Piping Engineer's Toolbox

No in-app purchases

Questions

Is Bolt Torque free?
Bolt Torque costs $9.99, with no in-app purchases.
Is Piping Engineer's Toolbox free?
Piping Engineer's Toolbox costs $4.99, with no in-app purchases.
Do Bolt Torque or Piping Engineer's Toolbox have ads?
Neither Bolt Torque nor Piping Engineer's Toolbox shows ads.
Which is updated more often, Bolt Torque or Piping Engineer's Toolbox?
Bolt Torque ships an update monthly, and Piping Engineer's Toolbox every 21 months. Most recently, Bolt Torque was updated on September 6, 2026 and Piping Engineer's Toolbox on September 19, 2026.

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