# Diesel Optimization — Diesel Optimization > Diesel Optimization: Log, track, and schedule diesel workouts and appointments. (iPhone/iPad app by Brett Campbell.) - Source: https://appshunter.io/ios/app/diesel-optimization/id1579904813 (this page in markdown: same URL + `.md`) - Developer: [Brett Campbell](https://appshunter.io/developer/1579904815) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 5.00/5 from 4 App Store ratings - Age rating: 4+ - Requires: iOS 11.0 · 55 MB - Languages: English - Released: 2021-08-11 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/diesel-optimization/id1579904813/reviews.md ## What is Diesel Optimization? Log your Diesel workouts from anywhere with the Diesel workout logging app! View your logged workouts, see upcoming scheduled workouts, and book appointments inside the app. Track your progress and get the most out of your Diesel workouts! If you enjoy the Diesel app, we’d really appreciate if you took a second to leave a nice review because it helps us improve and also helps get the word out. Thank you!! ## Key features - Log workouts from anywhere - View logged workouts - See upcoming scheduled workouts - Book appointments - Track progress ## Frequently asked questions about Diesel Optimization ### What is Diesel Optimization? Diesel Optimization is a free health and fitness app designed for logging workouts, viewing scheduled sessions, and booking appointments. It helps users track their progress and get the most out of their training. ### Is Diesel Optimization free to use? Yes, Diesel Optimization is available for free. There are no in-app purchases or advertisements, making it a completely free experience for users. ### What devices does Diesel Optimization support? Diesel Optimization is available on iPhone and iPod devices. It is designed to provide a seamless experience on these Apple platforms. ### How often is Diesel Optimization updated? The app was last updated on April 11, 2024, with version 5.13.0. This indicates a commitment to regular updates and improvements for users. ### What is the age rating for Diesel Optimization? Diesel Optimization has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature content. ### Can I book appointments through Diesel Optimization? Yes, you can book appointments directly within the Diesel Optimization app. This feature allows for convenient scheduling alongside your workout logging. ### What kind of workouts can I log with Diesel Optimization? The app is specifically designed for logging 'Diesel workouts'. While the exact nature of these workouts isn't detailed, the app focuses on tracking progress for this specific training regimen. ### What do users like about Diesel Optimization? Users appreciate the app's functionality for logging workouts and scheduling appointments, contributing to its perfect 5.0-star rating from 4 reviews. The free and ad-free nature is also a significant positive. ## Version history (last 5 releases) ### 5.13.0 — 2024-04-11 New workout features and bug fixes! ### 5.7.8 — 2023-01-19 Fixed a date selection regression in the dashboard calendar Improvements to the message recipient list Changes made to the rest timer Fixed a bug in toolbar and button font colors Updated a screen empty message ### 4.18.3 — 2022-06-03 Fixed a date selection regression in the dashboard calendar Improvements to the message recipient list Changes made to the rest timer Fixed a bug in toolbar and button font colors Updated a screen empty message ### 4.18.2 — 2022-03-30 what’s new: Fixed a crash in the User Workout screen due to faulty data loading logic Fixed visual regressions in iOS 15 Fixed a date selection regression in the dashboard calendar Improvements to the message recipient list Changes made to the rest timer Fixed a bug in toolbar and button font colors ### 4.18.1 — 2022-03-03 Fixed a crash in the User Workout screen due to faulty data loading logic Fixed visual regressions in iOS 15 Fixed a date selection regression in the dashboard calendar Improvements to the message recipient list Changes made to the rest timer ## Apps similar to Diesel Optimization | App | Rating | Price | Category | | --- | --- | --- | --- | | [Body By G24](https://appshunter.io/ios/app/body-by-g24/id1553118961) | 4.7 (14) | Free | Health & Fitness | | [Pelican Fitness](https://appshunter.io/ios/app/pelican-fitness/id1498738615) | 5.0 (3) | Free | Health & Fitness | | [The LAB New](https://appshunter.io/ios/app/the-lab-new/id6446635474) | 5.0 (38) | Free | Health & Fitness | | [Gold's Gym Tampa](https://appshunter.io/ios/app/golds-gym-tampa/id6748433175) | — | Free | Health & Fitness | | [Mantra Fitness App](https://appshunter.io/ios/app/mantra-fitness-app/id1670975620) | 3.0 (4) | Free | Health & Fitness | | [Biomefit](https://appshunter.io/ios/app/biomefit/id6497564345) | 5.0 (25) | Free | Health & Fitness | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*