CJDecibel vs FiberMap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CJDecibel
This utility app offers real-time, high-precision decibel measurements to detect noise levels. It features a minimalist interface for easy operation, allows recording of detection locations, and enables sharing or exporting of historical data.
- Real-time decibel measurement
- High-precision detection
- Location recording
- Data sharing and export
- Detection history viewing
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CJ Decibel - Noise Detection is an app that provides real-time volume decibel data detection, with the following features: - Real-time high-precision decibel measurement - Minimalist design, one-click detection - Recording of detection location information - One-click sharing and export of detection data - Easy viewing of detection history
FiberMap
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AI Powered Network Mapping & Monitoring for Fiber based Networks - Track your entire fiber infrastructure with intelligent fault detection and automated workflows on the go with FiberMap mobile app
Screenshots
Verdict
The clearest difference is ads: FiberMap at none against CJDecibel's shown. CJDecibel's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, 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.
CJDecibel ships an update weekly, FiberMap fortnightly. Both last shipped on October 24, 2026.
| Parameter | CJDecibel | FiberMap |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 37 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | 炽金 练 | Jaze Networks |
In-app purchases
CJDecibel
No in-app purchases
FiberMap
No in-app purchases
