Countdown to Zero vs 分贝
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Countdown to Zero
This app helps you appreciate life by counting down the estimated number of days, weeks, and months remaining until significant life milestones. It encourages a positive outlook by highlighting the finiteness of experiences and supports custom event tracking.
- Counts down days, weeks, and months
- Tracks remaining life events
- Supports custom event tracking
- Promotes positive life appreciation
- Simple and intuitive interface
Read full descriptionHide full description
How many days and weeks left before you are 50? This is an interesting question and the answer may surprises you. Countdown to Zero is a positive app. it will count how many events left in your whole life. like how many meals left, how many months and weeks left etc. it also supports custom events. You will treasure things when you know they are limited. May you always be positive and strong, and get through everyday happily!
分贝
Read full descriptionHide full description
这是一款本地噪声测量与取证工具。用手机麦克风进行环境噪声参考测量，支持拍照/录像水印留证、记录归档与实用工具箱。无需注册账号，核心功能可不依赖网络，数据默认保存在本机。 【实时分贝测量】 • 半圆表盘直观显示当前分贝，并标注安静 / 舒适 / 偏高 / 嘈杂 / 危险等等级 • 三种模式：实时、峰值保持、Leq 估算 • 自动统计 Max / Min / Avg / Leq≈，可查看会话曲线与频谱瀑布图 • 自定义阈值提醒与触觉反馈；支持安静时段抑制打扰 • 可调节校准偏移，工具箱另提供分步「校准向导」 【拍照录像取证】 • 取证页实时预览分贝、时间与位置信息 • 拍照可将分贝、统计与地点时间写入照片水印 • 录像与测量统计一并保存到本地记录，便于事后回顾与分享 【记录与分析】 • 列表 / 地图 / 分析多视图管理历史数据 • 支持搜索、筛选、备注、标签、收藏与分享 • 查看 Max / Min / Avg、曲线与噪声占比，地图标注历史测量点 【实用工具箱】 听力安全、噪声对照、测试音调、距离衰减、单位换算、环境自评、今日报告、校准向导、法规速查、投诉取证清单、Leq 计时、噪声日记、耳塞降噪估算等，覆盖监测、科普与留证准备。 【隐私与数据】 • 不强制注册，不建立账号体系 • 测量数据、媒体与偏好默认本地存储，当前版本不主动上传云端 • 麦克风、相机、定位等权限仅在对应功能需要时使用，可随时在系统设置中管理 【重要说明】 本应用基于消费级手机麦克风估算声级，读数受机型、保护壳、遮挡、校准等因素影响，结果仅供个人参考、学习与日常记录，不能替代符合计量标准的专业声级计，亦不得作为行政处罚、司法鉴定或医疗诊断的唯一依据。使用取证功能时请遵守法律法规，尊重他人合法权益。 适合关心居家/办公环境噪声、需要日常监测与沟通留证材料，或希望了解听力暴露与噪声科普的用户。 隐私政策：xiaoww100@126.com 技术支持：xiaoww100@126.com
Screenshots
Verdict
The clearest difference is iOS requirement: Countdown to Zero at 15.0 against 分贝's 17.0. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Countdown to Zero | 分贝 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (50 ratings) — better | — |
| Positive reviews | 91.9% of reviews | — |
| Number of ratings | 50 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhenlai Xia | 威 彭 |
In-app purchases
Countdown to Zero
No in-app purchases
分贝
No in-app purchases
