RENNCH: Track What Matters
Every turn of the wrench tells a story. Great cars demand records that reflect their care.Rennch is a modern car maintenance log for auto enthusiasts who know details matter, allowing owners to document every service, repair, and upgrade - right down to photos that show the work.Designed by Porsche enthusiasts for iOS and macOS.
Log Comprehensive Repairs & Upgrades
Upload Photos / Receipts to Document Repairs
Synchronize Maintenance Records Across Devices
View Recommended & Custom Maintenance Schedules
Manage Inventory of Garage Parts, Fluids, and Consumables
Click to Order your Preferred Oils, Brake Pads, Filters, and More
Print Detailed Maintenance Reports & Records
NO SUBSCRIPTION FEES. $10 LIFETIME PURCHASE.
Prove your repairs and upgrades with detailed maintenance records. For less than a quart of oil, you can log DIY and mechanic records for your Porsche, Mercedes, Corvette, Mustang, or favorite car.
7-Day Free Trial (No Credit Card Required)
All Features Unlocked
Track Maintenance for Three Cars
Add Additional Cars for $2/each
Save 20% With Your National Enthusiast Membership
(Porsche Club of America, Corvette Club of America, and more!)
SUPPORT
Built by Porsche and Corvette enthusiasts, the Rennch app helps you document auto maintenance, repairs, and upgrades for your vehicle. Designed to showcase the care you put into maintaining your car, Rennch is customizable for any make - Porsche, Mercedes, Corvette, Ford, Ferrari, Audi, VW, Chevy, and many more.We read every message. For immediate auto repair support, please contact your master mechanic or car manufacturer.
GENERAL
How does Rennch work?Rennch helps you manage car maintenance, repairs, and upgrades by creating a log of all work performed, whether DIY or by your master mechanic. The app creates reminders for upcoming maintenance, inventories your parts, fluids, and consumables, and provides links to purchase supplies for your upcoming projects. One of the most valuable features of Rennch is the ability to create detailed maintenance reports - an asset to any owner to prove timely maintenance.
What is the Privacy Policy for the app?You may review our Privacy Policy at any time by clicking here.
PRICING & SUBSCRIPTIONS
How much does Rennch cost?Rennch offers a free, 7-day trial at download. Rather than a monthly or annual subscription, Rennch is a "buy it for life" model at $10 for up to three vehicles (plus any applicable taxes/fees.) Support for additional vehicles is available for a small fee.
Can I use Rennch on multiple devices?Yes, Rennch is tied to your Apple ID, so you may use it on any/all of your registered devices.
I'm an automobile enthusiast club member; is there a discount?Yes, members of select car enthusiasts groups (Porsche Club of America, Corvette Club of America) receive a 20% discount. To receive the discount, simply click below:Porsche Club of America
Corvette Club of America
Why does the app require purchase?The paid model supports the ongoing development of the app, including new features and integrations such as document scanning and updated maintenance profiles. After fees and taxes, app developers receive approximately 30%-50% of the app purchase price.
What happens if I don't purchase after the trial?Any saved vehicles or repairs remain linked to your profile, but you will be unable to add services or make edits to your past entries. Purchasing the app reactivates all features immediately.
TECHNICAL SUPPORT
What Mac / iPhone models are supported?Rennch works on all Silicon chip MacOS devices (M1 processor or newer), and iOS devices running iOS 18 or later. This includes iPhone XR (2018) and newer models.
Can I use Rennch on multiple devices?Yes, Rennch is tied to your Apple ID, so you may use it on any/all of your registered devices.
I found a bug or have a feature request. How do I contact you?Please use the feedback form below to send a feature request or to share any difficulties.
pricing
How much does Rennch cost?Rennch offers a 7-day free trial. After that, it's $10 USD for a lifetime purchase.
I have an offer code, where do I enter it?Open Rennch → Settings → "Enter Offer Code". Your access activates immediately, even offline.
Why does the app require purchase?The paid model supports the ongoing development of the app, including new features and integrations such as document scanning and updated maintenance profiles. After fees and taxes, app developers receive approximately 30%-50% of the app purchase price.
AFFILAITE LINKS
Rennch may contain affiliate links to commercial websites such as Amazon.com, Walmart.com, and others. Affiliate links allow us to earn a small commission on purchases made on this app, at no extra cost to you.
APP UPDATES
Version 1.0
February 2026
Log Comprehensive Repairs & Upgrades
Upload Photos / Receipts to Document Repairs
Synchronize Maintenance Records Across Devices
View Recommended & Custom Maintenance Schedules
Manage Inventory of Garage Parts, Fluids, and Consumables
Click to Order your Preferred Oils, Brake Pads, Filters, and More
Print Detailed Maintenance Reports & Records
FUTURE UPDATES
Version 2.0
Q2 2026
Import Records from Carfax
Import Records from Porsche Service Center Receipts
Android
Q2 2026
Support for Android Systems on the Google Play Store
Contact Us
We read every message. For immediate support for your car, please contact your master mechanic or manufacturer.
PRESS ROOM
Rennch is a comprehensive digital maintenance log designed for car enthusiasts who believe proper documentation is part of ownership. Built for iOS and macOS, Rennch allows you to log repairs, upgrades, and routine service with precision—uploading photos, receipts, and notes to fully document every job. From oil changes to major mechanical work, every turn of the wrench becomes part of a permanent, well-organized service history. Learn more at www.Rennch.app.With Rennch, maintenance records stay synchronized across all your devices, ensuring your garage history is always accurate and accessible. View manufacturer-recommended maintenance schedules or create custom service intervals tailored to how you actually drive. Rennch also helps you manage your inventory of garage parts, fluids, and consumables, so you always know what’s on hand—and what needs replenishing.Designed for enthusiasts who care about detail and provenance, Rennch goes beyond record-keeping. Easily reorder your preferred oils, brake pads, filters, and other essentials with a single click, and generate printable maintenance reports that reflect the care invested in your car. Whether you’re preserving long-term value, preparing for resale, or simply honoring the machine, Rennch helps you track what matters—with more features coming soon.