# CarNerd — Car Performance & Maintenance > Vehicle performance, fuel economy, and maintenance expense tracker. (iPhone/iPad app by Jeff McClay.) - Source: https://appshunter.io/ios/app/carnerd/id1105766058 (this page in markdown: same URL + `.md`) - Developer: [Jeff McClay](https://appshunter.io/developer/815488681) - Category: Travel, Utilities - Price: $4.99 - Rating: 3.00/5 from 2 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 4 MB - Languages: American English - Released: 2016-06-16 - Data updated: 2026-06-04 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/carnerd/id1105766058/reviews.md ## What is CarNerd? CarNerd is the ultimate fuel economy and maintenance tracking app! Track every drop of fuel, every maintenance record, and all of your vehicles expenses all in one app. Some of CarNerd's best features: • Track fuel economy/efficiency • Track service and maintenance records, like oil changes • Track expense records, like insurance and registration • Track total cost of ownership • Get reminders of upcoming services and never forget to change your oil ever again! • Lots more! CarNerd helps you track your vehicle’s performance from fill-up to fill-up, so that you can identify and diagnose issues before they become a problem. See how your fuel economy changes over time, how much it costs to drive and own your car, and more! ## Key features - Track fuel economy/efficiency - Log service and maintenance records - Record all vehicle expenses - Monitor total cost of ownership - Receive service reminders - Diagnose performance issues ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/carnerd/id1105766058/reviews.md ### 1/5 — Junk dont waste your time *2021-04-01* Waste of time ### 5/5 — Awesome app *2016-07-26* I needed an app to keep tabs on all of my data surrounding my vehicle. Most apps were limited by what they would track. I came across CarNerd and have been extremely impressed with all of the data that I am able to record for my vehicle. Awesome app! ### 5/5 — Perfect for tracking vehicle maintenance *2016-06-16* I was just looking for an app to track has mileage but CarNerd goes above and beyond! Easy to use and fun stats too. ## Frequently asked questions about CarNerd ### What is CarNerd? CarNerd is a paid application designed to help you track your vehicle's fuel economy, maintenance history, and all associated expenses. It aims to provide insights into your car's performance and ownership costs. ### How much does CarNerd cost? CarNerd is a paid app with a price of $4.99. This is a one-time purchase, and there are no in-app purchases or subscriptions required. ### Does CarNerd have ads? No, CarNerd does not contain advertisements. As a paid application, it offers an ad-free experience for users. ### What devices does CarNerd support? CarNerd is available for iPhone and iPod devices. It is designed for Apple's mobile ecosystem. ### How often is CarNerd updated? The latest version of CarNerd is 3.1, which was last updated on November 21, 2025. This indicates a relatively recent update, suggesting ongoing support. ### What is the age rating for CarNerd? CarNerd has an age rating of 4+, meaning it is suitable for users aged 4 and above. This indicates it contains no mature content. ### What do users think of CarNerd? User sentiment for CarNerd appears mixed, with an average rating of 3.0 stars from 2 ratings. This suggests there may be areas for improvement based on user feedback. ### Can CarNerd remind me about car services? Yes, CarNerd provides reminders for upcoming services, such as oil changes. This feature helps ensure you stay on top of your vehicle's maintenance schedule. ## Version history (last 5 releases) ### 3.1 — 2025-11-21 After a long hiatus, CarNerd is back! • Updated to support iOS 26. • Replaced old "wheel" date pickers with the new calendar style. • Numerous bug fixes and optimizations. ### 3.0 — 2020-11-11 CarNerd 3.0 is a huge update containing all this, and more: • Updated for iOS 14, including support for Dark Mode. • You can now create and track "expense records" for things like registration and insurance. • You can now backup and restore from ".cndb" files which makes keeping your CarNerd data safe even easier. • Improvements to the user interface. • Bug fixes ### 2.0.1 — 2017-11-06 VERSION 2.0! CarNerd 2.0 brings a number of awesome, new features. • UNITS By popular request, CarNerd now supports international units. Entries can be made in miles or kilometers, and fuel efficiency can now be measured in mpg, L/100km, etc. Feel free to change your preferred units at any time, and CarNerd will automatically convert and recalculate everything! • IMPORT & EXPORT It is now possible to backup, export, and save all your data! Email your .carnerddata files or back them up to your mac via AirDrop to protect your data in case your phone is lost, upgraded, etc. Restore or import existing data at any time. • VIN LOOKUP You can now add new vehicles to CarNerd by scanning their VIN barcode! Automatically enters make/model/year for new vehicles. • USER INTERFACE The old "car" icon has been replaced by a better/sleeker button right at the top of every screen. • ON-THE-FLY EDITING You can now add a new fuel station directly while adding a new fill-up. This makes entering fill-ups even faster and easier! • Other changes: - Vehicles can now have their fuel-system set so that fuels of different types aren't presented erroneously. - Improved the accuracy of statistics calculations. - Continuity warnings are now more helpful (you will now be shown which other records are in conflict) - Performance improvements. - Fixed a bug related to tab bar coloring - Fixed a bug on reminders where in certain cases the months & miles values were being displayed incorrectly. - Numerous UI bugs when editing records - Relocated errant squirrels - Took possession of giant cache of acorns - Conversion from Swift 2 to Swift 4! - Lots more! ### 2.0 — 2017-11-05 VERSION 2.0! CarNerd 2.0 brings a number of awesome, new features. • UNITS By popular request, CarNerd now supports international units. Entries can be made in miles or kilometers, and fuel efficiency can now be measured in mpg, L/100km, etc. Feel free to change your preferred units at any time, and CarNerd will automatically convert and recalculate everything! • IMPORT & EXPORT It is now possible to backup, export, and save all your data! Email your .carnerddata files or back them up to your mac via AirDrop to protect your data in case your phone is lost, upgraded, etc. Restore or import existing data at any time. • VIN LOOKUP You can now add new vehicles to CarNerd by scanning their VIN barcode! Automatically enters make/model/year for new vehicles. • USER INTERFACE The old "car" icon has been replaced by a better/sleeker button right at the top of every screen. • ON-THE-FLY EDITING You can now add a new fuel station directly while adding a new fill-up. This makes entering fill-ups even faster and easier! • Other changes: - Vehicles can now have their fuel-system set so that fuels of different types aren't presented erroneously. - Improved the accuracy of statistics calculations. - Continuity warnings are now more helpful (you will now be shown which other records are in conflict) - Performance improvements. - Fixed a bug related to tab bar coloring - Fixed a bug on reminders where in certain cases the months & miles values were being displayed incorrectly. - Numerous UI bugs when editing records - Relocated errant squirrels - Took possession of giant cache of acorns - Conversion from Swift 2 to Swift 4! - Lots more ### 1.0.2 — 2016-06-20 Fixed the way partial fill-ups were handled and how fuel efficiency was calculated for them. ## Apps similar to CarNerd | App | Rating | Price | Category | | --- | --- | --- | --- | | [Roadr: Roadside, Repair & Wash](https://appshunter.io/ios/app/roadr-roadside-repair-and-wash/id6443495201) | 4.9 (44) | Free | Travel | | [RVWorryFree](https://appshunter.io/ios/app/rvworryfree/id6495275430) | 5.0 (4) | Free | Travel | | [My Garage: Cars Expenses](https://appshunter.io/ios/app/my-garage-cars-expenses/id1554131935) | 5.0 (1) | Free | Travel | ## More apps by Jeff McClay - [WALT Calculator](https://appshunter.io/ios/app/walt-calculator/id815488678) - [TargetView](https://appshunter.io/ios/app/targetview/id899764983) All apps by Jeff McClay: https://appshunter.io/developer/815488681 --- *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 2026-06-04.*