Decibel：Sound Meter vs 噪音检测仪
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel：Sound Meter
This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.
- Real-time decibel measurement
- High precision
- Location data
- Decibel camera
- Measurement reports
- Data sharing
- Audio data export
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Decibel：Sound Meter is an app that can provide real-time decibel data, with the following features: -High precision measurement, real-time measurement -Provide location -Real time decibel camera -Provide detailed measurement reports -One click sharing of measurement data -Support for exporting audio data I Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of purchase II Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period III Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID" to enter the "Account Settings" page, click on "Subscription", and choose to unsubscribe IV Privacy Agreement: https://docs.qq.com/doc/DVURkSmJKSll0dXBW 5、 Terms of Use: https://docs.qq.com/doc/DVXB3TWtxSUt2Rk1R
噪音检测仪
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【噪音检测仪 - AI噪声分贝检测】 一款专业的AI噪音分贝检测工具，功能丰富、专业、实用，操作简单，适用于工业、环保、社区、车内环境、工作场所、学习环境、居家生活等多种场景。 【AI 智能分析】 实时处理噪音数据，不仅能算出平均值、峰值等基础参数，还能深度剖析频率分布与变化趋势，并且能给出噪音防治建议。比如在工厂，可通过频率分析预判设备故障；在社区，依据趋势为噪音治理提供方向，检测环境噪音是否达标。 【专业拍摄取证】 可以对噪音环境进行拍摄取证，实时记录噪音位置和噪音数值，为噪音纠纷、执法等提供有力证据。 ———————————————————————————— 使用以上功能，您需要订阅购买 订阅：当你确认购买后以及每个续订期开始时, 订阅款项将从你的iTunes账户中扣除。 续订：苹果iTunes账户会在到期前24小时内扣费，扣费成功后会顺延一个订阅周期。 取消续订：您可通过前往 iTunes 帐户设置并取消订阅，此操作必须在试用期或任何订阅期结束前 24 小时完成，否则将自动续订。包含试用期的订阅将自动续订为付费订阅。 订阅可以由用户管理，自动续订可以在购买后转到用户的账户设置中去关闭 当您在试用期内购买高级订阅时，试用期中任何未使用的部分（如提供）将失效。 ———————————————————————————————— 关于应用条款 《用户使用协议》https://docs.qq.com/doc/DZkpWWkRkeFNKRVdH 《隐私政策》https://docs.qq.com/doc/DZnZJY1p6WVZZR2xo
Screenshots
Verdict
The clearest difference is ads: 噪音检测仪 at none against Decibel：Sound Meter's shown. Decibel：Sound Meter's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days and 噪音检测仪 sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 11 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Decibel：Sound Meter | 噪音检测仪 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) — better | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 11 days | Every 11 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 33 MB | 20 MB |
| Age rating | 9+ | 4+ |
| Developer | ZHHUALIUON INC | 艇 徐 |
In-app purchases
Decibel：Sound Meter
- Weekly membership3 Days trial$3.997 Days
- Monthly membership3 Days trial$4.991 Month
- Annual membership3 Days trial$14.991 Year
噪音检测仪
- 周会员7 Days trial$3.997 Days
- 年会员$12.991 Year
