Comparison

Decibel vs 噪音检测仪

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Decibel

Features
Read full description

The Decibel Tester is a professional - grade noise measurement tool designed to provide users with accurate and convenient noise decibel detection services. Whether at work, during study, or in daily life, we need a reliable decibel measurement tool to safeguard our auditory health and environmental quality. The Decibel Tester is your ideal choice. 【Core Features】 Real - time Decibel Detection: The Decibel Tester adopts advanced acoustic sensor technology, which can measure the noise decibel value of the current environment in real - time, ensuring the accuracy and reliability of the data. View Historical Records: The app provides a historical record function, enabling users to view past noise detection data at any time, so as to better understand the noise change trends. Noise Level Classification: According to the noise decibel value, the app will automatically classify the noise level, helping users more intuitively understand the current environmental noise situation. 【Applicable Scenarios】 Workplaces, study environments, home life, outdoor travel ———————————————————————————— You need to subscribe and purchase to use the above functions. When you confirm the purchase and at the start of each renewal period, the subscription fee will be deducted from your iTunes account. Renewal: The Apple iTunes account will be charged within 24 hours before expiration. After a successful charge, the subscription period will be extended by one subscription cycle. Cancel Renewal: You can cancel your subscription or trial at any time by going to the iTunes account settings and canceling the subscription. Otherwise, it will be automatically renewed. This operation must be completed 24 hours before the end of the trial period or any subscription period to avoid being charged. Subscriptions with a trial period will be automatically renewed to a paid subscription. Subscriptions can be managed by the user, and auto - renewal can be turned off in the user's account settings after purchase. When you purchase a premium subscription during the trial period, any unused portion of the trial period (if provided) will expire. ———————————————————————————————— Regarding the Application Terms 《User Agreement》https://docs.qq.com/doc/DZmN5YUtoS1Z6RWNa?no_promotion=1 《Privacy Policy》https://docs.qq.com/doc/DZm51dVNRenpheW9u?no_promotion=1

About

噪音检测仪

Features
Read full description

【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

Decibel3 screens
噪音检测仪3 screens

Verdict

The call

The clearest difference is update cadence: Decibel at every 4 days against 噪音检测仪's every 11 days. Decibel also leads on iOS requirement (13.4 vs 15.1). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Decibel sells 2 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.

UpkeepUpdate frequency

Decibel ships an update every 4 days, 噪音检测仪 every 11 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
Decibel versus 噪音检测仪: the parameters behind the verdict, then further details
ParameterDecibel噪音检测仪
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 11 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.4 — better15.1
Further details — not scored
Size16 MB20 MB
Age rating4+4+
Developer浩翔 吕艇 徐

In-app purchases

2 purchases

Decibel

Subscriptions2
  • Weekly membership7 Days trial$3.997 Days
  • Annual membership$12.991 Year
2 purchases

噪音检测仪

Subscriptions2
  • 周会员7 Days trial$3.997 Days
  • 年会员$12.991 Year

Questions

Is Decibel free?
Decibel is free to download, with in-app purchases available.
Is 噪音检测仪 free?
噪音检测仪 is free to download, with in-app purchases available.
Do Decibel or 噪音检测仪 have ads?
Neither Decibel nor 噪音检测仪 shows ads.
Which is updated more often, Decibel or 噪音检测仪?
Decibel ships an update every 4 days, and 噪音检测仪 every 11 days. Most recently, Decibel was updated on October 30, 2026 and 噪音检测仪 on November 5, 2026.

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