250+ iOS apps curated and reviewed
Out of 250+ master muffler apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (6) | No | No | Aug 2026 |
| 2 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 6 |  | Free | 3.9★ (9) | Yes | No | May 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 2.0★ (1) | No | No | May 2026 |
Access key vehicle data in real time, including VIN, odometer, and diagnostic trouble codes. Schedule service appointments for diagnostics, maintenance, or repairs directly within the application.
Browse a comprehensive online catalog of aftermarket automotive exhaust parts. Easily find specific components like catalytic converters and mufflers from popular brands. Utilize a VIN scanner for quick product identification.
This app provides OE quality catalytic converters engineered for superior performance at a competitive price. It is built on a commitment to quality and delivered with unmatched service.
Control your Varex exhaust system's sound and performance with this app. Adjust valve positions manually, set parameters to trigger changes, or create geofenced zones for automatic adjustments. An optional free account enhances functionality with cloud storage and diagnostics.
Customize your vehicle's exhaust sound with this app. Adjust volume, idle RPM, and sound characteristics for a sportier, more aggressive tone. Compatible with diesel, gasoline, and electric vehicles.
Experience the distinct sounds of high-performance exhaust systems on various muscle cars and trucks. Compare aggressive notes from different models, including startup, drive-by, and in-cabin audio. Technology overviews are also available for iPad users.
Control the response of your REMUS valve exhaust system via Bluetooth. Adjust valve opening manually or set custom automatic modes based on engine speed for a personalized driving experience.
Experience the authentic sound of M Performance Sport Exhaust systems on your mobile device. Compare high-quality exhaust sounds in real-time with stock systems and explore a catalog of new exhaust sound files.
Control your car's performance exhaust sound with your smartphone. This app allows you to switch between a quiet stock exhaust and a performance sound on demand after installing the physical product in your vehicle. Enjoy customizable exhaust notes with a simple touch.
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.
Discover the latest coupons, instant savings, and exclusive deals for members. Browse tools, check local stock, and create wish lists. Scan barcodes in-store for more product information.
Amplify your device's audio output by up to 500% for richer, lossless music and clearer sound. This app lets you exceed standard volume limits for an immersive listening experience, turning your phone into a powerful mini speaker.
This app assists automotive installers in quickly identifying the correct oil, air, cabin air, and fuel filters for any vehicle. It offers multiple search options, including VIN and part number, and provides cross-reference data for competitive parts.
Get expert vehicle repair guidance with step-by-step instructions, tool lists, and safety notes tailored to your specific car. You can also order guaranteed-fit parts directly within the app, saving you time and money on DIY repairs.
Easily find the correct aftermarket filters and wiper blades for your vehicle using VIN recognition. Covers oil, air, cabin air, and fuel filters, plus various wiper blade types.
Shop for a wide range of auto parts, including car, truck, SUV, and motorcycle components. Easily find the right parts with VIN decoding and license plate lookup, and get them quickly with same-day pickup or delivery.
Experience the distinct sounds of popular Vance & Hines exhaust systems for your motorcycle. Browse available systems, compare features, and listen to idle, take-off, and pass-by sounds before making a purchase.