215+ iOS apps curated and reviewed
Out of 215+ key finder apps on iOS, 19 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 | 3.9★ (87) | No | No | Jul 2026 |
| 2 |  | Free | 4.8★ (1M) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 2.9★ (108) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 1.0★ (2) | No | No | May 2026 |
| 5 |  | Free | 2.8★ (16K) | No | No | Jul 2026 |
| 6 |  | Free | 4.7★ (8.4K) | No | No | Jul 2026 |
| 7 |  | Free | 4.6★ (5.9K) | No | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Instantly identify the musical key and scale of any audio source, from studio tracks to live instruments and vocals. Seamlessly sync detected keys with your computer's Digital Audio Workstation (DAW) for enhanced music production.
This app helps you locate lost items like keys, wallets, and bags. It uses Bluetooth to find nearby items and a community network for items further away. It also allows you to find your phone and offers smart home compatibility.
Identify the musical key of songs through microphone analysis, local audio files, or manual chord input. Results can be saved for later reference, and the app supports songs that change key mid-way.
This utility app helps you locate lost items like keys and handbags with a loss alarm. It also aids in finding your smartphone and remembering locations like parking spots. Additionally, it functions as a Bluetooth remote for taking selfies.
Locate your Apple devices, AirTags, and personal items. Share your location with friends and family, and receive directions to their whereabouts. Protect your data with lost mode and remote erase options.
This app helps you locate misplaced items like keys, wallets, and phones using Bluetooth trackers. It allows you to make trackers ring, view their last known location on a map, and leverage a community network to find lost devices. It also functions as a remote camera shutter.
Instantly get chords, beats, and lyrics for any song from your audio files, streaming services, or microphone. This AI-powered tool helps musicians of all levels learn and improve their playing with advanced recognition and playback features.
This app pairs with a physical tracker to help you locate misplaced items. It can map the last known location, trigger an audible alert on the tracker, and notify you if you leave the tracker behind. It also functions as a remote camera shutter.
This app connects to Bluetooth 4.0 devices to help you manage and locate your belongings. It offers anti-loss features to make your life more convenient and enjoyable.
Instantly detect the musical key of your audio files with this offline utility. It analyzes tracks locally, offering results in various formats and allowing you to save key data to file tags. Organize your music library by key with fast, accurate harmonic analysis.
Find and rent properties in Ethiopia with this app. It connects you with verified agents, brokers, and builders to locate your ideal home or investment property. Start your property search easily and reliably.
Learn to play your favorite songs on guitar, piano, or ukulele. Get accurate chords for millions of songs, with animated views and YouTube integration. Premium features include slowing down songs, looping sections, and exporting chords.
Analyze real-time audio to display musical notes, pitch, octave, frequency, and waveform. Includes a metronome for tempo practice with sound and vibration cues. Useful for vocal range measurement, pitch practice, and basic instrument tuning.
Locate lost Bluetooth devices, including headphones, earbuds, and smartwatches, with a precise Bluetooth scanner. Track all your gadgets from one intuitive app, ensuring you never lose your valuable electronics again.
This app enhances your ability to locate misplaced items with free features like calling your phone and customizing ringtones. It also offers unique functionalities such as using the device as a remote camera shutter for perfect group photos.
This application is no longer supported for newer iOS versions and devices. Future updates and support have been discontinued as of December 2016.
Identify the musical key of any song you're listening to. Use the integrated piano to play along and confirm notes, helping the app pinpoint the correct key. Explore music theory and learn to play songs in different keys.
Easily locate lost Bluetooth devices, including headphones and earbuds, within seconds. The app provides real-time tracking and alerts when devices leave a detectable area, helping you save money and find friends in crowded places.
This app allows you to read and write NFC tags, scan and create QR codes, digitize documents, and capture 3D models. It offers advanced NFC tools like encryption and batch operations, alongside a versatile QR code scanner and document scanner with OCR.
Quickly locate misplaced Bluetooth devices using signal strength and a radar interface. Track devices in the background and receive notifications when they are lost, with the last known location recorded on a map.