AppMarketSpy › Utilities › TechRef
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App info
- Developer
- MASARU KATO
- Category
- Utilities, Productivity
- Released
- Sep 16, 2026
- Version
- 2.1.0 (Oct 15, 2026)
- Price
- Free
- Size
- 5.8 MB
- Requires
- iOS 17.6
- Age rating
- 4+
- Languages
- English
In-app purchases
| TechRef Pro | $6.99 |
Current prices, App Store US.
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About TechRef
The drawing says 50.000 +0.200 / -0.000. The machine needs 50.100. TechRef does that math, converts it into every unit, keeps the tables you reach for every day, and records what you measure. Built for the everyday questions on the shop floor. WHY THE CENTER VALUE MATTERS The center of an asymmetric tolerance is not the nominal size. TechRef calculates the true center and the full band, so you get it right in one setup. TOLERANCES FROM THE STANDARD (TechRef Pro) Pick an ISO 2768 class (f, m, c, v) or an ISO 286 fit (hole H7, shafts g6 to p6), and TechRef looks up the deviations for your size. Pick a shaft to see how it fits an H7 hole: clearance, transition or interference. Use ISO, JIS, EN, DIN or BS names. ENGINEERING CALCULATORS (TechRef Pro) • Section properties: A, I, Z, Ip and Zp for round bar, tube, rectangle and box section • Tension, compression and shear stress • Bending,…
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