230+ iOS apps curated and reviewed
If you already know Coil Validation, this is the deeper bench. 230+ coil validation apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.4★ (398) | No | Yes | Aug 2026 |
| 4 |  | $9.99 | 4.2★ (2.1K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.5★ (572) | No | Yes | Aug 2026 |
| 6 |  | $9.99 | 4.7★ (19K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (3.9K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.9★ (1.9K) | Yes | Yes | Aug 2026 |
Transform your smartphone into a universal remote for your air conditioner. Effortlessly manage temperature, modes, fan speed, and set timers for a comfortable indoor environment. Compatible with numerous AC brands for convenient climate control.
Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.
Control your air conditioner remotely with this universal app. Adjust temperature, modes, timers, and fan speeds from your smartphone. It's a convenient replacement for physical remotes, compatible with many AC brands worldwide.
This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.
Control your air conditioner directly from your smartphone. Adjust temperature, fan speed, and operating modes with an intuitive interface. Supports most AC models from various manufacturers, eliminating the need for a physical remote.
Prepare for your ASE Series A automotive certification exams with realistic practice tests and quizzes. Featuring over 3,000 expert-written questions and detailed explanations, this app offers a personalized study plan and progress tracking to help you pass on your first attempt.
Control your vehicle's air suspension system directly from your smartphone. Adjust ride height and air pressure on the go for the perfect look and feel. Update your system's software wirelessly for optimal performance.
Easily test and troubleshoot your game controllers on iOS devices. Visualize controller layouts, test buttons, sticks, and pressure-sensitive triggers. Connect multiple controllers and get help with connections. Offers a premium subscription for an ad-free experience and advanced features.
Configure advanced gaming input adapters for consoles and PC. Enhance your gameplay with precision aiming and custom macros using mice, keyboards, and controllers. Elevate your gaming experience with unparalleled flexibility and ease of use.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
This app allows for complete DME remapping of BMW vehicles, offering maximum performance and safety. It provides full OBD flashing, pre-configured performance maps, and advanced engine monitoring capabilities. Users can also customize various flash options for a personalized driving experience.
Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.
Transform your smartphone into a universal AC remote. Manage multiple AC brands from a single device, access error code diagnostics, and find helpful tips. Includes a child-friendly mode for entertainment.
Control and configure multiple portable loudspeakers wirelessly from your mobile device. Adjust EQ, gain, presets, and even mix shows on the fly for compatible models. Monitor system status and receive important notifications for a seamless performance.
Test and troubleshoot MFi certified game controllers on your iPhone, iPod Touch, and iPads. Accurately visualize button presses, stick movements, and pressure sensitivity for all supported controllers. Discover a fun surprise in the credits.
This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.
Manage and configure your AirTurn device. Test pedal functionality, access manuals and FAQs, and update device software. Supports various AirTurn models for personalized settings.
Control your vehicle's performance with this app. Monitor real-time engine data with the iDash Pro and enhance throttle response with PedalMonster. Customize acceleration and safety features for a better driving experience.