Decibel Meter vs OnlyAuth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter
Read full descriptionHide full description
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.
OnlyAuth
Read full descriptionHide full description
OnlyAuth 是一款快速、安全且易于使用的双重身份验证器(2FA),用于保护您的在线账户安全。 通过 OnlyAuth,您可以生成基于时间的一次性验证码(TOTP),即使密码泄露,也能有效防止账户被非法访问。 主要功能: • 支持 TOTP 验证(符合 RFC 6238 标准) • 离线使用,无需网络连接 • 简洁直观的用户界面 • 支持二维码扫描和手动添加账户 • 支持多个平台和账户 • 数据本地存储,更加安全 OnlyAuth 非常重视用户隐私,我们不会收集、存储或共享任何个人数据。 帮助您保护各类平台账户安全。 安全掌控,从 OnlyAuth 开始。
Screenshots
Verdict
Decibel Meter and OnlyAuth are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 | Decibel Meter | OnlyAuth |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 庆贤 曾 | 秦毓 常 |
In-app purchases
Decibel Meter
No in-app purchases
OnlyAuth
No in-app purchases









