SeamSmart vs Decibel Detector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SeamSmart
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SeamSmart is an iOS application that can support sewing training by presenting metrics providing feedback on how well a user can sew along a given line at a constant distance. To use the app, print one of the provided training sheets on an A4 sheet of cardboard paper, sew along the printed target line along a distance, take a photo of your training sheet, and use the app to analyze your result. SeamSmart is a supplementary iOS application to the research publication Lahaye et al., How’s Your Sewing? Investigating Metrics to Automatically Assess Sewing Expertise, CHI EA ’24
Decibel Detector
This app provides real-time environmental noise monitoring and data tracking. It offers smart alerts for custom noise thresholds and generates professional PDF reports. Adaptable to various scenarios, it helps users understand acoustic data and identify sound sources.
- Real-time decibel monitoring
- Historical data tracking
- Customizable smart alerts
- Multi-scenario adaptation
- Professional PDF reporting
- FFT spectrum analysis
- Environmental noise classification
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Decibel Detector - Your Portable Environmental Noise Lab! Real-time Monitoring: Continuously track environmental decibel levels 24/7, with support for 1-second refresh rates. Data Tracking: Automatically save historical records and view acoustic trends by day/week/month. Smart Alerts: Set custom noise thresholds and receive instant push notifications when levels are exceeded. Multi-Scenario Adaptation: Switch seamlessly between preset modes for classrooms, offices, construction sites, concerts, and more. Professional Reporting: Generate PDF inspection reports, with support for data export and comparative analysis. Powered by FFT spectrum analysis technology, the app is compatible with smartphones and tablets. It features an environmental noise classification database capable of identifying common sound sources such as traffic noise and industrial machinery. With an intuitive dashboard and dynamic waveform display, complex acoustic data becomes easy to understand. Whether you're an occupational health and safety professional conducting compliance monitoring or a general user seeking a more comfortable living environment, this app delivers reliable data support. Continuous background monitoring is now available, so you never miss critical acoustic data. Download now and start your Quiet Protection Plan!
Screenshots
Verdict
The clearest difference is update cadence: SeamSmart at every 4 days against Decibel Detector's every 5 months. Decibel Detector's advantage is iOS requirement (15.0 vs 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.
SeamSmart ships an update every 4 days, Decibel Detector every 5 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | SeamSmart | Decibel Detector |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | RWTH Aachen University | 北京泰燊信息技术有限公司 |
In-app purchases
SeamSmart
No in-app purchases
Decibel Detector
No in-app purchases
