# Decibel Meter: Sound Level — Measure the environment noise > Mobile sound level meter using built-in microphone to measure decibels. (iPhone/iPad app by 芳 高.) - Source: https://appshunter.io/ios/app/decibel-meter-sound-level/id6444731847 (this page in markdown: same URL + `.md`) - Developer: [芳 高](https://appshunter.io/developer/1610141597) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 11.0 · 46 MB - Languages: American English, Chinese (Simplified, China) - Released: 2022-12-03 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/decibel-meter-sound-level/id6444731847/reviews.md ## What is Decibel Meter? Decibel Meter app uses the built-in microphone to determine the level of sound it detects and displays it in decibels (dB). Microphone audio data is used to calculate dB (Decibels) / AF (Audio Frequency) reading to the user. The decibel meter app has highly reliable, pre-calibrated measurements. It turns your iOS device into a professional sound level meter. Track environmental noise around you with this easy-to-use decibel meter app. This app will transform your device into a professional grade sound detector with detailed visual analysis. UNLIMITED ACCESS MEMBERSHIP SUBSCRIPTION · You can subscribe for unlimited access to all features. · Subscriptions are billed weekly, annually or one-off upfront payment at the rate selected depending on the subscription plan. -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. -Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.. Terms of Service: https://xn5obfu58p.feishu.cn/docx/BXW3dYbuDoXrxyxa3Y6ckDltnff Privacy Policy: https://xn5obfu58p.feishu.cn/docx/XRxKd3AvsoDssHxxxshcbBm0nwb Auto Subscriptions Policy: https://xn5obfu58p.feishu.cn/docx/Jy6wdTb3pop1lmxYLdGckNSWnpe If you have any questions, please email us:buuzzhidaoo1027@outlook.com ## Key features - Measures sound level in decibels (dB) - Uses built-in microphone - Professional sound level meter - Detailed visual analysis - Pre-calibrated measurements ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | 按年订阅 | $6.99 | per year | | 按月订阅 | $2.99 | per month | ## Frequently asked questions about Decibel Meter ### What is Decibel Meter? Decibel Meter is a utility app that uses your device's microphone to measure and display environmental sound levels in decibels (dB). It aims to function as a professional sound level meter with visual analysis. ### How accurate is Decibel Meter? The app claims to have highly reliable, pre-calibrated measurements, turning your iOS device into a professional sound level meter. However, accuracy can vary based on device hardware and environmental factors. ### What devices does Decibel Meter support? Decibel Meter is available for iPhone and iPod devices, running on iOS. It was last updated on July 20, 2023, with version 1.9. ### Is Decibel Meter free to use? The app is free to download and use. It offers a subscription for unlimited access to all features, with weekly and annual plans available, including a 3-day free trial for the annual subscription. ### What are the subscription options for Decibel Meter? Decibel Meter offers a monthly subscription for $2.99 and an annual subscription for $6.99, which includes a 3-day free trial. Subscriptions automatically renew unless turned off 24 hours before the current period ends. ### What is the age rating for Decibel Meter? Decibel Meter has an age rating of 4+, making it suitable for a wide range of users. It was released on December 3, 2022. ### Can I cancel my Decibel Meter subscription? Yes, subscriptions can be managed by the user, and auto-renewal can be turned off by going to the user's Account Settings after purchase. Any unused free trial portion is forfeited upon purchasing a subscription. ### How often is Decibel Meter updated? The app was last updated on July 20, 2023, indicating active development and support. Users can expect ongoing improvements and bug fixes. ## Version history (last 5 releases) ### 1.9 — 2023-07-20 bug fixed! ### 1.8 — 2023-05-31 分贝测试仪版本记录：修复问题，提升体验 ### 1.7 — 2023-04-19 优化产品，优化体验 ### 1.6 — 2023-02-17 修复问题，提升用户体验 ### 1.5 — 2023-02-04 No release notes. ## Apps similar to Decibel Meter | App | Rating | Price | Category | | --- | --- | --- | --- | | [Widgets - Photo widget smith](https://appshunter.io/ios/app/widgets-photo-widget-smith/id1544647351) | 4.8 (6) | Free | Utilities | | [5G Speed Test Master - WiFi](https://appshunter.io/ios/app/5g-speed-test-master-wifi/id1575314139) | 3.0 (2) | Free | Utilities | | [喂奶记录器-宝宝哺乳喂养吸奶记录](https://appshunter.io/ios/app/id6449907555) | 5.0 (2) | Free | Utilities | | [搜题侠](https://appshunter.io/ios/app/id1562436843) | 5.0 (1) | Free | Utilities | | [眨巴眼-极简浏览器](https://appshunter.io/ios/app/id1611108204) | 5.0 (2) | Free | Utilities | | [Location changer-DecibelMeter](https://appshunter.io/ios/app/location-changer-decibelmeter/id1643517663) | 3.5 (6) | Free | Utilities | ## More apps by 芳 高 - [大牛定位打卡 - 打卡助手](https://appshunter.io/ios/app/id1612836320) - [温度计: 实时测温助手](https://appshunter.io/ios/app/id1620291533) - [粤语翻译AI专家](https://appshunter.io/ios/app/ai/id1670351059) All apps by 芳 高: https://appshunter.io/developer/1610141597 --- *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 2026-06-10.*