Decibel Meter vs WeYoung
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter
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The Decibel Meter is a professional-grade tool for real-time measurement of environmental noise, designed for people who are concerned about noise levels. Tested and calibrated for use with most Apple devices, it not only accurately detects decibel levels but also provides vivid environmental comparisons to help you understand noise levels more intuitively. Additionally, you can choose to record location information and easily share results.
WeYoung
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WeYoung 是一款专为中小学生量身定制的英语单词学习应用，让孩子在轻松愉快的氛围中掌握英语词汇。 核心特色： 完全离线：无需网络连接，随时随地学习 安装包小：体积轻巧，不占用过多存储空间 词汇丰富：涵盖小学519个、初中1454个核心单词 官方标准：基于教育部义务教育英语课程标准2022年版 学习功能： 智能学习：根据掌握程度自动调整学习计划 生词本：收藏难词，重点复习 学习统计：记录学习进度，激励持续学习 趣味反馈：答对题目有惊喜彩虹屁鼓励 适用人群： 小学生：掌握基础词汇 初中生：扩展词汇量 家长：陪伴孩子学习 * 持续更新，不断优化学习体验，添加更多实用功能。
Screenshots
Verdict
The clearest difference is price: WeYoung at Free against Decibel Meter's $3.99. WeYoung also leads on update cadence (every 6 weeks vs every 6 months). On ads, in-app purchases, device support and iOS requirement 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
WeYoung is free to download; Decibel Meter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Decibel Meter ships an update every 6 months, WeYoung every 6 weeks. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | Decibel Meter | WeYoung |
|---|---|---|
| Price | $3.99 | Free — better |
| Update frequency | Every 6 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | 庆贤 曾 | 有彬 未 |
In-app purchases
Decibel Meter
No in-app purchases
WeYoung
No in-app purchases
Questions
Is Decibel Meter free?
Is WeYoung free?
Do Decibel Meter or WeYoung have ads?
Which is updated more often, Decibel Meter or WeYoung?
Other comparisons
