Noise Decibel Meter vs KeyVault Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Noise Decibel Meter
Measure real-time, maximum, and average decibel levels. Record data from each test and keep the screen on for continuous monitoring. Features a simple and intuitive interface.
- Real-time decibel measurement
- Maximum decibel tracking
- Average decibel calculation
- Data recording per test
- Screen always on option
- Simple interface
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Support real-time decibel and maximum decibel, and average decibel Data can be recorded for each test Can be set to keep the screen always on Simple interface design
KeyVault Pro
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KeyVault Pro 是专为企业打造的安全管理加密资产而设计。它以离线模式为核心，确保用户的助记词始终保持在脱机环境中存储，有效防范网络攻击和恶意软件的入侵风险。 KeyVault Pro 的设计理念聚焦于为用户提供最高级别的安全保障。通过不与互联网连接，无论是数据传输还是交易签名，都采用安全的二维码交互方式。用户无需使用数据线或蓝牙等无线连接即可与外部平台进行交互，从而确保整个操作流程中的数据安全与完整性。 此外，KeyVault Pro 与 NexVault 相结合，可实现高度灵活的多重签名功能，进一步提升资产管理的安全性。与此同时，KeyVault Pro 提供了更加安全的紧急恢复机制，确保用户能够恢复加密资产。 KeyVault Pro 支持： 链支持： - Bitcoin - Ethereum - Tron - Binance Smart Chain - Ethereum Classic - Avalanche C-Chain - Fantom - Optimism - Polygon - Ripple - Bitcoin Cash - Litecoin - 更多支持中... 功能： - 支持多种地址格式 - 支持与 NexVault 资产管理平台联动 - 离线地址概览 - 安全键盘 - 离线密钥生成 - BIP39 密码短语 - 二维码备份 - 开源
Screenshots
Verdict
The clearest difference is ads: KeyVault Pro at none against Noise Decibel Meter's shown. KeyVault Pro also leads on update cadence (monthly vs every 18 months) and iOS requirement (13.4 vs 15.0). On price, 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.
Noise Decibel Meter ships an update every 18 months, KeyVault Pro monthly. The most recent releases landed on October 17, 2026 and September 21, 2026 respectively.
| Parameter | Noise Decibel Meter | KeyVault Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (43 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 43 — better | — |
| Update frequency | Every 18 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 28 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | 标勇 张 | Tuners Technology Limited |
In-app purchases
Noise Decibel Meter
No in-app purchases
KeyVault Pro
No in-app purchases
Questions
Is Noise Decibel Meter free?
Is KeyVault Pro free?
Do Noise Decibel Meter or KeyVault Pro have ads?
Which is updated more often, Noise Decibel Meter or KeyVault Pro?
Other comparisons
