This application simplifies driveline setup and predicts performance changes from gear ratios and tire size. It offers tools to calculate vehicle speed and RPM variables, aiding in rig planning and performance expectation.




17+ iOS apps curated and reviewed
With an average user rating of 3.5★, the tremec toolbox category is one of the App Store's strongest. Browse all 17+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.3★ (3) | No | No | May 2026 | |
| 2 | Free | 4.0★ (2) | No | No | May 2026 | |
| 3 | Free | 4.5★ (14K) | Yes | Yes | Jul 2026 | |
| 4 | Free | 4.2★ (1.9K) | Yes | Yes | Jul 2026 | |
| 5 | Free | — | No | Yes | May 2026 | |
| 6 | Free | — | Yes | No | May 2026 | |
| 7 | Free | — | No | No | May 2026 | |
| 8 | Free | 4.8★ (6) | No | Yes | Jun 2026 |




This application simplifies driveline setup and predicts performance changes from gear ratios and tire size. It offers tools to calculate vehicle speed and RPM variables, aiding in rig planning and performance expectation.





Perform a variety of calculations related to vehicle drivelines and engines. This tool helps users get the most out of genuine Spicer parts with specialized calculators for RPM, fuel savings, and more.





Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.


This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.






This app offers a collection of useful tools designed to simplify everyday tasks. Its intuitive interface makes it easy to access a variety of utilities for practical use.


This utility app offers a suite of tools designed to assist with various tasks on your mobile device. It aims to provide convenient solutions for everyday needs, with more features planned for future updates.




Practice reading a vernier caliper with this free and easy application. Simply slide your finger to grip an object and take your measurement. Enter your guess to see if you're correct and improve your skills.








Easily scan and organize your tools with this app. It automatically generates accurate tool contours from photos, which can then be used to design custom layouts on a web platform. Export designs or order professional foam inserts.


Easily define and manage your toolboxes and individual tools. Track who you lend tools to, when they are returned, and organize your inventory by moving items between boxes and drawers. An automatic log records all actions for your review.

