Bolt Torque

Jochen Autrata · Productivity

5.0 1 ratings $9.99

Independent analytics for this App Store listing. AppTracker is not affiliated with Jochen Autrata.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 10, 2026
Availability Removed from the App Store
Aug 31, 2026
Price change 2.99 USD → 9.99 USD
Aug 26, 2026
Price change 9.99 USD → 2.99 USD

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Price history in USD over the observed period. 5 10 Aug 23 Sep 5 Sep 19 Oct 2 Oct 15

Price · 9.99 USD now · 2 changes on record

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 100% 1
4★ 0% 0
3★ 0% 0
2★ 0% 0
1★ 0% 0

In-app purchases · US

No in-app purchases.

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About

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.

What's new · 2.6

Stainless steel optimized for iPad view.

Details

ReleasedSep 2013
UpdatedDec 2025
Version2.6
Size1.2 MB
RequiresiOS 18.6 or later
Age rating4+
LanguagesEnglish, German
Price$9.99
Categories ProductivityBusiness
Bundle IDde.engcode.bolt