Best Parts Assistant Apps

203+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated May 2026

The best parts assistant apps on iPhone average 3.9★ across 203+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top Parts Assistant Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Parts AssistantParts AssistantFreeYesNoJul 2026
2Car-Part.com Auto Parts MarketCar-Part.com Auto Parts MarketFree3.3★ (164)NoNoJul 2026
3AUTODOC – shop for car partsAUTODOC – shop for car partsFree4.6★ (3.1K)YesNoJul 2026
4AutoZonePro MobileAutoZonePro MobileFree4.8★ (8.7K)NoNoJul 2026
5Prime Guard ShowMeThePartsPrime Guard ShowMeThePartsFree2.9★ (25)NoNoMay 2026
6Pars - Buy & Sell Car PartsPars - Buy & Sell Car PartsFree4.6★ (9)NoNoJul 2026
7PickPart AppPickPart AppFree4.3★ (4)YesNoJul 2026
8eKeystoneeKeystoneFree4.0★ (52)NoNoJul 2026

Top Picks for Parts Assistant

AUTODOC – shop for car parts#3

AUTODOC – shop for car parts by Autodoc SE

Buy quality spares, Euro tyres
Worth Considering
🛍️ Shopping
4.6😊(3.1K ratings)
FreeAds
AUTODOC – shop for car parts screenshot 1
AUTODOC – shop for car parts screenshot 2
AUTODOC – shop for car parts screenshot 3
AUTODOC – shop for car parts screenshot 4
AUTODOC – shop for car parts screenshot 5
AUTODOC – shop for car parts screenshot 6

Easily find and purchase a vast selection of quality car parts and tires from trusted brands. The app offers detailed product information, compatibility checks, competitive pricing, and helpful customer support to ensure a smooth shopping experience.

What We Love

  • 🚀 Fast and easy to use
  • 💰 Great prices and discounts
  • 🔍 Easy to find parts for your car
  • 👍 Excellent app and website

Room to Improve

  • ⏱️ Slow delivery times
  • 🚚 Issues with delivery couriers
  • 🔁 Incorrect parts sent

More Parts Assistant apps to explore

4
AutoZonePro Mobile
AutoZonePro Mobile
AutoZonePro Mobile
Parts Ordering for the PRO
Free

Easily identify vehicles and order necessary parts with this professional tool. Features like VIN scanning and license plate decoding ensure order accuracy and speed. Access a full catalog and local store inventory to get the right parts quickly.

VIN scanningLicense plate decoderFull parts catalog
💼 Business
(8.7K)
free
5
Prime Guard ShowMeTheParts
Prime Guard ShowMeTheParts
Prime Guard ShowMeTheParts
by HIGHLINE AFTERMARKET ACQUISITION, LLC
Free

Access a vast public parts database on your mobile device. Find parts, view photos, and check specifications while working on vehicles for accurate comparisons and replacements.

Access largest public parts databaseFind parts on the goView photos and specifications
🔍 Reference
(25)
free
6
Pars - Buy & Sell Car Parts
Pars - Buy & Sell Car Parts
Pars - Buy & Sell Car Parts
Marketplace for Car Parts
Free

A secure marketplace for buying and selling auto parts. It offers escrow-protected transactions, fast payouts, and discounted shipping to make transactions safer, faster, and more affordable for enthusiasts and professionals.

Escrow-protected transactionsSecure Stripe payoutsLow 6.5% seller fee
🛍️ Shopping
(9)
free
7
PickPart App
PickPart App
PickPart App
Find Genuine Auto Parts Fast
Free

This app simplifies the search for automotive spare parts by connecting car owners with verified dealers. It offers fast, reliable, and guaranteed genuine parts with transparent dealer ratings and secure in-app messaging.

Lightning-fast searchInstant matching with dealer inventoriesReal-time availability
🛍️ Shopping
(4)
ad-supported
8
eKeystone
eKeystone
eKeystone
Wholesale Automotive Parts
Free

This business-to-business application provides automotive aftermarket professionals with a comprehensive tool for parts lookup and ordering. Access an extensive electronic catalog, real-time inventory, and order tracking features 24/7 from your mobile device.

24/7 access to parts catalogMobile orderingReal-time inventory
💼 Business
(52)
free
9
BYOT Auto Parts
BYOT Auto Parts
BYOT Auto Parts
Self Service Auto Parts
Free

This app enhances the self-service auto recycling experience by allowing users to check part fitment, store digital receipts, and earn rewards. Customers gain exclusive access to sales and promotions, with opportunities for freebies.

Part fitment interchange searchDigital receipt storageRewards program for purchases
💼 Business
(10)
free
10
AutopartsZ
AutopartsZ
AutopartsZ
The Best Auto Parts Finder App
Free

This app serves as a comprehensive platform for finding and purchasing automotive parts, offering both OEM and aftermarket options. It aims to simplify the car part buying process with an intuitive interface, competitive pricing, and helpful services like VIN scanning and repair shop recommendations.

Find OEM and aftermarket auto partsScan VIN for part identificationCompare auto parts
🌟 Lifestyle
(12)
free
11
Quadratec Catalog App
Quadratec Catalog App
Quadratec Catalog App
by Quadratec, Inc.
Free

Browse a physical catalog and scan product codes with this app to instantly access detailed product information, including photos, instructions, and videos. Add items directly to your cart for a seamless shopping experience.

Scan catalog codesView product detailsAccess photos and videos
🛍️ Shopping
(23)
free
12
NAPA PROLink
NAPA PROLink
NAPA PROLink
PRO shop for NAPA AUTO PARTS
Free

This app allows automotive professionals to quickly scan VINs for accurate vehicle selection, check parts inventory, and order in-stock items for same-day delivery. It also facilitates searching by keyword or interchange part numbers and tracking orders.

VIN scan decoder for accurate vehicle selectionCheck inventory availabilityShop in-stock parts for same-day delivery
💼 Business
(50)
free
13
Babbitts OEM Parts Finder
Babbitts OEM Parts Finder
Babbitts OEM Parts Finder
by Babbitt's Sports Center
Free

Easily find and order genuine OEM parts for major powersports brands directly from your mobile device. Access parts diagrams and simplify your garage maintenance with this convenient tool.

Find OEM partsOrder partsAccess parts diagrams
💼 Business
(30)
ad-supported
14
Car-Part Pro
Car-Part Pro
Car-Part Pro
by Used-Car-Parts.com, Inc.
Free

This app connects professional auto repairers and appraisers with a vast inventory of auto parts, including recycled, aftermarket, and OE surplus. It offers real-time delivery and inventory information, VIN decoding for accurate part identification, and detailed part images.

175 million parts inventoryReal-time delivery informationVIN decoding technology
🔧 Utilities
(19)
free
15
EZ Pull N Pay
EZ Pull N Pay
EZ Pull N Pay
Self-serve auto parts
Free

Browse real-time inventory of self-serve auto parts, receive instant alerts for new vehicle arrivals, and access exclusive promotions. Find the parts you need quickly and easily with on-demand updates and a massive selection.

Real-time inventory browsingNew vehicle arrival alertsExclusive promotions
🔧 Utilities
(2)
free
16
MOTORMIA: Tune & Mod Your Ride
MOTORMIA: Tune & Mod Your Ride
MOTORMIA: Tune & Mod Your Ride
AI Mod Guide & Parts Finder
Free

This app uses AI to help you plan and execute car modifications. Add your vehicle, chat with the AI about your goals, and receive personalized recommendations for parts and upgrades. Save your build, discover brands, and get inspired by the community.

AI-powered mod recommendationsVehicle-specific parts finderAftermarket brand discovery
🌟 Lifestyle
(1.2K)
free with in-app purchases
17
Matco Tools
Matco Tools
Matco Tools
by Matco Tools Corporation
Free

Access your local tool distributor 24/7 for professional automotive tools. Purchase tools, check inventory, submit warranty claims, and manage payments. Exclusive deals and promotions are also available.

24/7 distributor accessReal-time inventory checksTool purchases
🛍️ Shopping
(5K)
free with in-app purchases
18
Gearflow Parts Hub Pro
Gearflow Parts Hub Pro
Gearflow Parts Hub Pro
Parts Ordering Simplified
Free

Streamline heavy equipment parts ordering by submitting requests to multiple dealers with a single click. Centralize access, improve communication, and track orders in real-time for increased efficiency.

Request parts from multiple dealersCentralized parts accessStreamlined communication
💼 Business
(2)
ad-supported
19
Mouser
Mouser
Mouser
Browse and find Mouser parts
Free

Easily find and browse the latest semiconductors and electronic components for your designs. Search by category, date, or manufacturer, and view real-time stock availability. Build shopping baskets, manage projects, and access your account for order history and status.

Browse new products by date, category, manufacturerSearch and filter electronic componentsView real-time stock availability and pricing
💼 Business
(29)
free
20
Crowley Marine
Crowley Marine
Crowley Marine
by Crowley Labs Limited
Free

Easily find and purchase OEM spare parts for your outboard motor. Access parts diagrams, product photos, and technical articles for various brands like Johnson, Evinrude, Yamaha, Mercury, and Suzuki.

OEM spare parts lookupParts diagramsProduct photos
🛍️ Shopping
(126)
free

FAQ about Parts Assistant

Are there free parts assistant apps for iPhone?
Yes — 20 of the top parts assistant apps we rank are free to download, including Parts Assistant and Car-Part.com Auto Parts Market.
Parts Assistant shows ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 203+ parts assistant apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.