Comparison

Decibel Meter Plus vs 垂杨柳

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

Head to head
About

Decibel Meter Plus

Measure ambient sound levels and understand their impact on hearing. This app provides real-time decibel readings, exposure time guidelines, and information on noise-induced hearing loss. It helps you identify loud environments and learn how to protect your hearing.

Highlights
  • Measure sound levels
  • Display average, peak, and max values
  • Plotted history of average values
  • Information on NIHL
  • Decibel exposure time guidelines
  • Calibrate measurements
  • Record and export data
Features
Read full description

Decibel Meter helps you quickly check the sound level around you using your device’s built-in microphone. Open the app and instantly see the current sound level in decibels. You can use it to get a general idea of everyday noise levels at home, in the office, in classrooms, outdoors, or in other environments. Key Features: • Real-time sound level measurement • Clear decibel display • Average, peak, and maximum values • Simple visual meter and history graph • Calibration adjustment for different devices and environments • Easy-to-use interface for quick checks • Support for iPhone and iPad • Multiple language support • In-app Support for feedback and questions Please note: Decibel readings may vary depending on your device microphone, case, distance from the sound source, background noise, and calibration settings. This app is designed for general reference and everyday use. It is not a replacement for a certified professional sound level meter. Download Decibel Meter and check the sound around you with ease.

About

垂杨柳

Features
Read full description

垂杨柳是一款中文音频听读 App,收录成语接龙与经典诵读内容,把音频、正文、拼音和播放进度放在同一个清爽界面里。 你可以在晨读、课前预习、通勤或碎片时间打开它,按课次听一段,也可以搜索正文找到想复习的句子。 主要内容: 成语接龙:20 组音频,从常见成语开始,帮助积累词语和语感。 经典诵读:一年级上、下册经典内容,覆盖诗词、古文、声律启蒙、诗经、散文、对联等。 共 107 段音频,约 152 分钟内容,适合反复听读。 主要功能: 正文同步高亮:播放到哪里,文字跟到哪里。 拼音辅助阅读:汉字上方显示带声调拼音。 点句播放:点击任一句正文,从对应位置开始听。 搜索内容:可按课次、标题、正文快速查找。 连续播放:支持上一首、下一首和进度拖动。 无需登录:打开即可使用。 垂杨柳希望把中文经典听读做得更轻一点:不堆功能,不打扰,只把一段段值得熟悉的文字和声音安静地放在手边。

Screenshots

Decibel Meter Plus4 screens
垂杨柳3 screens

Verdict

The call

The clearest difference is price: 垂杨柳 at Free against Decibel Meter Plus's $6.99. On update cadence, 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

垂杨柳 is free to download; Decibel Meter Plus costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Decibel Meter Plus versus 垂杨柳: the parameters behind the verdict, then further details
ParameterDecibel Meter Plus垂杨柳
Price$6.99Free — better
Rating3.0 (126 ratings) — better—
Positive reviews35.7% of reviews—
Number of ratings126 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.8 — better16.0
Further details — not scored
Size14 MB127 MB
Age rating4+4+
Developer华芳 张Beijing Magic Joy Technology Co., Ltd.

Bugs and requests

Decibel Meter Plus

Reported bugs

7 issues
  • App requires developer updates and iOS compatibility fixes
  • Baseline reading of 50-80 dB even in complete silence
  • Readings spike dramatically with minimal sound input
  • Graph display lacks user control
  • Inconsistent measurements in same environment
Show 2 more
  • Microphone sensitivity cannot be adjusted
  • App crashes or fails to function on some devices

Requested features

6 requests
  • Calibration function to adjust readings
  • Higher maximum dB limit (120+ dB) for loud events
  • Ability to attach photos with meter readings
  • Better baseline reset to 0 dB in silence
  • dB(A) weighting filter option
Show 1 more
  • Improved control over graphical display

垂杨柳

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Decibel Meter Plus

No in-app purchases

None

垂杨柳

No in-app purchases

Questions

Is Decibel Meter Plus free?
Decibel Meter Plus costs $6.99, with no in-app purchases.
Is 垂杨柳 free?
垂杨柳 is free to download, with no in-app purchases.
Do Decibel Meter Plus or 垂杨柳 have ads?
Neither Decibel Meter Plus nor 垂杨柳 shows ads.
Which is updated more often, Decibel Meter Plus or 垂杨柳?
Decibel Meter Plus ships an update every 2 months, and 垂杨柳 every 2 months. Most recently, Decibel Meter Plus was updated on November 6, 2026 and 垂杨柳 on October 31, 2026.

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