Decibel Meter Plus Pro vs NoCall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter Plus Pro
Measure the sound levels around you with this utility app. It displays average, peak, and max values, offers decibel exposure time guidelines, and provides information on noise-induced hearing loss. The app also allows data recording and export for analysis.
- Measure sound levels
- Display average, peak, and max values
- Decibel exposure time guidelines
- Information on noise-induced hearing loss
- Record and export data
- Calibrate measurements
- Universal app support
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Decibel Meter Plus Pro turns your iPhone or iPad into a clean and easy-to-use sound level meter. Measure the noise around you in real time, view current, average, max, and peak dB readings, save measurement sessions, and export reports when you need to keep a record. Whether you want to check a quiet room, monitor everyday environmental noise, compare sound levels over time, or save a simple noise report, Decibel Meter Plus Pro gives you a clear and modern way to do it. KEY FEATURES • Real-time decibel meter View live sound levels with a large, easy-to-read meter. • Current, average, max, and peak values Quickly understand how sound levels change during a measurement session. • Live noise trend See noise changes over time instead of relying on a single number. • Save measurement sessions Keep useful sound level records for later review. • Session history Browse saved sessions with date, duration, average level, max level, and noise category. • Session reports Review key sound level stats, noise trend charts, location notes, and report details. • Export & share reports Export saved reports as an image, PDF, or CSV file. A limited number of free report exports is included. Unlock Unlimited Reports with a one-time purchase for unlimited exports. • Optional location saving Save location information only with sessions you manually save. • Calibration Adjust readings to better match a reference sound meter. • Noise level guide Learn common sound levels and tips for better measurements. • iPhone and iPad support Enjoy a redesigned interface that works beautifully on both iPhone and iPad. • 30+ languages The app is now localized for users around the world. • Privacy-friendly design Audio is processed on your device and is not uploaded. UNLIMITED REPORTS Unlimited Reports is an optional one-time unlock for users who want unlimited image, PDF, and CSV report exports. No subscription is required. SUPPORT If you have questions, feedback, or need help with purchases or report exports, please contact us at: ipixeltech@gmail.com IMPORTANT NOTE Decibel Meter Plus Pro uses the built-in microphone on your device. Readings are intended for general reference and everyday noise checks. For certified workplace testing, legal compliance, or professional acoustic measurement, please use certified sound level equipment.
NoCall
This utility app helps users manage personal call blocking lists with a local-first approach. It offers AI assistance for various blocking needs, allowing for quick rule maintenance.
- Personal call blocking
- Local-first approach
- AI assistant integration
- Quick rule maintenance
- Call list management
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NoCall 是一款本地优先的电话与短信规则管理工具。你可以维护号码拦截名单、来电企业标记、短信白名单和关键词规则，并将电话规则同步至 iPhone 系统扩展。 - 本地保存规则，不上传号码或短信内容 - 支持来电拦截与指定号码来电标记 - 支持短信号码白名单和关键词过滤 - 支持 JSON 备份导入与导出 - 支持 iOS 14 及以上系统
Screenshots
Verdict
The clearest difference is rating: Decibel Meter Plus Pro at 3.7 against NoCall's 2.0. Decibel Meter Plus Pro also leads on ratings volume (81 vs 1) and chart position (#190 vs unranked). NoCall's advantage is in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 2 months). On review sentiment, ads, monetization model 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
Decibel Meter Plus Pro costs $2.99 and NoCall $0.99 up front. Decibel Meter Plus Pro sells 1 one-off in-app purchase. NoCall asks for nothing beyond the download.
Decibel Meter Plus Pro holds the better App Store score, 3.7 against 2.0. That said, the two scores are not equally well evidenced: Decibel Meter Plus Pro has 81 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 53% of Decibel Meter Plus Pro's written reviews are positive against 50% of NoCall's.
Decibel Meter Plus Pro ships an update every 2 months, NoCall every 2 weeks. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.
| Parameter | Decibel Meter Plus Pro | NoCall |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 3.7 (81 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 52.8% of reviews — better | 50.0% of reviews |
| Number of ratings | 81 — better | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Paid |
| Best chart rank | #190 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 华芳 张 | YINGBOX TECHNOLOGY LTD |
Customer experience
Decibel Meter Plus Pro
NoCall
In-app purchases
Decibel Meter Plus Pro
- Unlimited Reports$4.99
NoCall
No in-app purchases
Questions
Is Decibel Meter Plus Pro free?
Is NoCall free?
Which has better reviews, Decibel Meter Plus Pro or NoCall?
Do Decibel Meter Plus Pro or NoCall have ads?
Which is updated more often, Decibel Meter Plus Pro or NoCall?
Other comparisons
