Best Parts Authority Apps

216+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated May 2026

AutoZone Auto Parts & Repair is the household name in parts authority, but it's far from the only option. We track 216+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Parts Authority

AutoZone Auto Parts & Repair#1

AutoZone Auto Parts & Repair by AutoZone, Inc.

Shop Car, Truck & SUV Parts
Editor's Choice
🛍️ Shopping
4.8😐(203K ratings)
FreeAds
AutoZone Auto Parts & Repair screenshot 1
AutoZone Auto Parts & Repair screenshot 2
AutoZone Auto Parts & Repair screenshot 3
AutoZone Auto Parts & Repair screenshot 4
AutoZone Auto Parts & Repair screenshot 5
AutoZone Auto Parts & Repair screenshot 6

Shop for a wide range of auto parts, accessories, and tools for your vehicle with ease. Find everything you need to maintain and repair your car in one convenient place. Upgrade your ride and keep it running smoothly.

What We Love

  • 👍 Convenient in-app vehicle selection
  • 🚀 Easy ordering and checkout process
  • 💳 Ability to track rewards and purchase history
  • 🛒 Helpful for finding parts for specific vehicles

Room to Improve

  • 🐛 Inventory and pricing discrepancies between app and stores
  • 🔍 Subpar search functionality and product descriptions
  • 🤔 Inconsistent or confusing app behavior
Advance Auto Parts#2

Advance Auto Parts by Advance Auto Parts, Inc.

Car, Truck & Motorcycle Parts
Strong Contender
🛍️ Shopping
4.8😐(117K ratings)
FreeAds
Advance Auto Parts screenshot 1
Advance Auto Parts screenshot 2
Advance Auto Parts screenshot 3
Advance Auto Parts screenshot 4
Advance Auto Parts screenshot 5
Advance Auto Parts screenshot 6

"Experience fast and simple auto parts shopping with our app. Easily find the right parts, check availability, order for pickup or delivery, save vehicles, pay securely, earn rewards, and get everything you need for your projects faster."

What We Love

  • 🚀 Easy and convenient online ordering
  • 👍 Helpful and friendly in-store staff
  • 💡 Ability to combine and use reward perks
  • 🚀 Smooth and intuitive app experience

Room to Improve

  • 🐛 Laggy and glitchy app performance
  • 🔍 Difficulty finding parts and navigating the app
  • 🛒 Inconsistent in-store inventory and online availability
Nexpart#3

Nexpart by WHI Solutions, Inc.

Worth Considering
🛍️ Shopping
2.8(9 ratings)
Free
Nexpart screenshot 1
Nexpart screenshot 2
Nexpart screenshot 3
Nexpart screenshot 4
Nexpart screenshot 5
Nexpart screenshot 6

This mobile application provides secure access to a parts supplier's features, allowing users to search for parts by part number or vehicle details, and place live orders to multiple locations. With this app, users can easily manage parts ordering and inventory on-the-go, in sync with their desktop experience.

More Parts Authority apps to explore

4
eBay Motors: Parts, Cars, more
eBay Motors: Parts, Cars, more
eBay Motors: Parts, Cars, more
By enthusiasts for enthusiasts
Free

Access a wide range of vehicle parts and accessories, buy and sell vehicles effortlessly, interact with other auto enthusiasts, and securely ship vehicles with the eBay Motors app. Utilize features like My Garage and Fitment Finder for a seamless experience. Join the community and explore the unparalleled inventory.

🛍️ Shopping
(47K)
5
NAPA AUTO PARTS
NAPA AUTO PARTS
NAPA AUTO PARTS
by Genuine Parts Company
Free

Access over 400,000 auto parts and accessories easily with the official app. Find parts, locate stores, reserve items, and get expert advice with just a few taps.

🌟 Lifestyle
(1.5K)
6
CarParts.com
CarParts.com
CarParts.com
Quality Parts. Priced Right.
Free

Shop for auto parts easily with the CarParts.com app, offering access to over 850,000 parts, fitment guarantee, fast shipping, account management features, hassle-free returns, buy now pay later options, and helpful how-to guides. Download now for convenience and savings up to 50% off local retailers.

🛍️ Shopping
(22K)
7
Car-Part.com Auto Parts Market
Car-Part.com Auto Parts Market
Car-Part.com Auto Parts Market
Recycled/Green/Used Parts
Free

Discover a vast selection of 150 million recycled auto parts from 3100 Auto Recyclers in the US and Canada. Find green and used parts instantly with no registration required. Save money and the environment with this free app!

🔧 Utilities
(160)
8
AutoZonePro Mobile
AutoZonePro Mobile
AutoZonePro Mobile
Parts Ordering for the PRO
Free

Order parts quickly and accurately with the AutoZonePro Mobile app. Features like VIN scanning and license plate decoding make it easy to find the right parts while managing your account conveniently. Get the right parts at the right time and price – sign up now!

💼 Business
(8.7K)
9
Parts Plus
Parts Plus
Parts Plus
by Premium Guard Inc.
Free

This application allows users to easily find vehicle parts by searching with their vehicle's details or by entering a part number, with options for classic and dynamic search methods. Users can try it out and quickly locate the parts they need by choosing their preferred search approach.

🔍 Reference
(1)
10
Copart - Online Auto Auctions
Copart - Online Auto Auctions
Copart - Online Auto Auctions
by Copart, Inc
Free

Discover thousands of vehicles in online auto auctions with the mobile app. Bid, win, and manage your car auctions with ease, plus enjoy features like vehicle recommendations, enhanced navigation, voice search, and more. Join now for hassle-free participation in online auctions!

💼 Business
(2.1K)
11
Harbor Freight Tools
Harbor Freight Tools
Harbor Freight Tools
Harbor Freight Coupons
Free

Discover the latest coupons, deals, and exclusive offers with an app dedicated to tools and savings. Easily browse products, watch demos, check availability, and sync wish lists across devices. Join the Inside Track Club for even more discounts and stay informed about America's top retailer of quality tools at unbeatable prices.

🛍️ Shopping
(211K)
12
O'Reilly
O'Reilly
O'Reilly
by O'Reilly Media, Inc
Free

Access a comprehensive online learning platform for business and technology trends anytime, anywhere with this app. Read, watch, or listen to content on the go, customize your experience, and seamlessly switch devices. Join the O'Reilly community post-July 2014 for full access.

📚 Education
(34K)
13
AUTODOC – shop for car parts
AUTODOC – shop for car parts
AUTODOC – shop for car parts
Buy quality spares, Euro tyres
Free

Discover a comprehensive online store for car parts and tires. Explore a wide selection of high-quality products, detailed descriptions, compatibility checks, and competitive prices. Shop with ease, access professional customer service, and enjoy convenient returns and refunds.

🛍️ Shopping
(3.1K)
14
CityLaundry
CityLaundry
CityLaundry
Effortless Laundry Made Simple
Free
💼 Business
(0)
15
WORLDPAC
WORLDPAC
WORLDPAC
by WORLDPAC, Inc.
Free

The app allows independent automotive professionals to scan VIN bar codes through their iPhone or iPad to find and order parts for pickup or delivery to their shop quickly. It offers features like precise vehicle fitment look-up, in-app ordering, VIN history, and compatibility with the speedDIAL desktop application. To use the app, a valid WORLDPAC speedDIAL user ID and password are required. Apply for a wholesale customer account at the provided link.

💼 Business
(71)
16
Babbitts OEM Parts Finder
Babbitts OEM Parts Finder
Babbitts OEM Parts Finder
by Babbitt's Sports Center
Free

This application allows users to quickly and easily find and order original equipment manufacturer (OEM) parts for various vehicles. With this tool, users can access parts diagrams and order OEM parts for top brands, streamlining the process and saving time.

💼 Business
(30)
17
EXIST.UA – Car Parts Store
EXIST.UA – Car Parts Store
EXIST.UA – Car Parts Store
Spare Parts & Auto Accessories
Free

This online auto parts store offers a wide range of spare parts, products, and services for vehicles, allowing users to select items specifically for their cars using a VIN code search or intuitive product catalogue. With features like free delivery, warranty, and 24/7 roadside technical support, users can easily find and purchase the parts they need, and take advantage of ongoing promotions.

🛍️ Shopping
(11)
18
Parts Pass Auto Parts
Parts Pass Auto Parts
Parts Pass Auto Parts
Rock your auto part search
Free

Discover a new way to order quality car parts online at wholesale prices with A.I. technology that decodes your car through a simple photo, letting you find the right part from a million options. Enjoy fast shipping, superior customer service, and great prices. Download now and simplify your auto part search! #RockYourAutoPartSearch

📊 Productivity
(44)
19
MEYLE Parts
MEYLE Parts
MEYLE Parts
by DVSE GmbH
Free

Get instant access to comprehensive parts information with a multilingual app that provides technical details, vehicle applications, product relations, and photographs. Download the app to explore MEYLE parts at the touch of a button.

💼 Business
(4)
20
SMP Parts
SMP Parts
SMP Parts
by SMP Corp
Free

This mobile application helps users easily find and look up parts for their vehicles using various tools, including scanning competitor UPC codes, license plate lookup, and cross-reference search. With a user-friendly interface, the app provides quick access to part information, search history, and saved vehicles, making it a powerful tool for finding the right parts.

💼 Business
(5)