# Decibel Tester: Sound Level — Decibel Sound Frequency Meter > Accurate sound level meter for measuring environmental noise and protecting hearing. (iPhone/iPad app by 钰乐 晏.) - Source: https://appshunter.io/ios/app/decibel-tester-sound-level/id6445815477 (this page in markdown: same URL + `.md`) - Developer: [钰乐 晏](https://appshunter.io/developer/1680830617) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 13.4 · 14 MB - Languages: American English - Released: 2023-03-14 - Data updated: 2026-08-23 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/decibel-tester-sound-level/id6445815477/reviews.md ## What is Decibel Tester? Decibel Tester is a comprehensive sound level meter app that features as exclusive accuracy of measurements and supports dBa, dBb, dBc and dBz. We are living in a noisy world, full of many things and sources produce amounts of noise. We need to protect our hearing, we need to test nosie in our surroundings and others to avoid exposing our earsto harmful noise levels. Don't worry! Decibel Tester provides professional sound level meter measurement results. With Decibel Tester, you can measure how quiet of your room or how loud of a rock concert with actual Nor140 high-precision decibel meter. Decibel Tester owns many professional functions of sound level meters. FEATURES: -Reliable and accurate measurements -Supports frequency weighting: ITU-R 468, A, B, C, Z -Save and share recordings and spectrum -Audible frequency range between 20 to 16,000 Hz SUBSCRIPTION: App offers an optional $6.99 monthly and $29.99 annual subscriptions: Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions will automatically renew unless autorenew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal in accordance with your plan, within 24-hours prior to the end of the current period. You can manage or turn off auto-renew in your Apple ID account settings any time after purchase. Please note, any unused portion of a free trial period will be forfeited when making a purchase of an auto-renewing subscription. By downloading and using the app you are agreeing with Terms of Use: https://sites.google.com/view/decibeltestertou/home Privacy Policy: https://sites.google.com/view/decibeltesterpp/home ## Key features - Accurate sound level measurements - Supports dBa, dBb, dBc, dBz weighting - Save and share recordings - Spectrum analysis - Audible frequency range 20-16,000 Hz ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Decibel Tester Subscribe Month | $6.99 | per month | | Decibel Tester Subscribe Year | $29.99 | per year | ## Frequently asked questions about Decibel Tester ### What is the accuracy of Decibel Tester? Decibel Tester is designed for reliable and accurate measurements, aiming for professional sound level meter precision. It supports frequency weighting options like ITU-R 468, A, B, C, and Z for detailed analysis. ### Can I save and share my sound measurements with Decibel Tester? Yes, Decibel Tester allows you to save your recordings and spectrum data. You can then share these measurements, which is useful for documenting noise levels or sharing findings. ### What are the subscription costs for Decibel Tester? Decibel Tester offers optional subscriptions at $6.99 monthly and $29.99 annually. These subscriptions provide access to advanced features and are charged through your iTunes account. ### How do I manage my Decibel Tester subscription? You can manage or turn off auto-renew for your subscription at any time in your Apple ID account settings after purchase. Subscriptions automatically renew unless turned off at least 24 hours before the current period ends. ### What is the age rating for Decibel Tester? Decibel Tester has an age rating of 4+, making it suitable for a wide range of users. It is available on iPhone and iPod devices. ### How often is Decibel Tester updated? The app was last updated on March 30, 2023, with version 1.0.2. This indicates a recent update, suggesting ongoing development and support. ### Does Decibel Tester have ads? No, Decibel Tester does not contain advertisements. The app is free to download and use, with optional subscription plans for enhanced features. ### What is the audible frequency range for Decibel Tester? Decibel Tester can measure sounds within the audible frequency range of 20 to 16,000 Hz. This covers a significant portion of human hearing for accurate sound analysis. ## Version history (last 3 releases) ### 1.0.2 — 2023-03-30 - Fix some bugs - Improved User Experience - Miscellaneous improvements ### 1.0.1 — 2023-03-14 In this update, we've fixed several bugs and improved the app's performance. ### 1.0.0 — 2023-03-05 No release notes. ## Apps similar to Decibel Tester | App | Rating | Price | Category | | --- | --- | --- | --- | | [Decibel X:dB Sound Level Meter](https://appshunter.io/ios/app/decibel-xdb-sound-level-meter/id448155923) | 4.6 (160,618) | Free | Utilities | | [Decibel : dB sound level meter](https://appshunter.io/ios/app/decibel-db-sound-level-meter/id1227650795) | 4.6 (36,118) | Free | Utilities | | [Noise Guru: Decibel Meter](https://appshunter.io/ios/app/noise-guru-decibel-meter/id6444836813) | 4.6 (299) | Free | Utilities | | [Decibel X PRO: dBA Noise Meter](https://appshunter.io/ios/app/decibel-x-pro-dba-noise-meter/id1257651611) | 4.7 (6,888) | $69.99 | Utilities | | [dB Meter & Spectrum Analyzer](https://appshunter.io/ios/app/db-meter-and-spectrum-analyzer/id733773616) | 4.7 (865) | $29.99 | Utilities | | [Decibel Meter - Sound Analyzer](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id1579747105) | 3.5 (54) | Free | Utilities | ## More apps by 钰乐 晏 - [Smart Scan: Device Detector](https://appshunter.io/ios/app/smart-scan-device-detector/id6443914233) - [Clear Photos: Restore Fixer](https://appshunter.io/ios/app/clear-photos-restore-fixer/id6447756358) - [Vocal Extractor: Musical Gear](https://appshunter.io/ios/app/vocal-extractor-musical-gear/id6470771704) - [Max Looks Style: Look Maximize](https://appshunter.io/ios/app/max-looks-style-look-maximize/id6740225812) - [Louder Sound - Volume Booster](https://appshunter.io/ios/app/louder-sound-volume-booster/id6758322850) All apps by 钰乐 晏: https://appshunter.io/developer/1680830617 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*