Motor Noise Analyzer vs CDHM Tester
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Motor Noise Analyzer
This application uses intelligent algorithms and motor engineering knowledge to acquire data, analyze components, and pinpoint noise sources in motors. It provides real-time waterfall and spectrum diagrams, automatically identifying noise frequencies, intensity, order, and sources. Users can generate professional diagnostic reports to enhance motor troubleshooting efficiency and accuracy.
- Intelligent noise data acquisition
- Component analysis
- Noise source localization
- Real-time waterfall and spectrum diagrams
- Automatic noise labeling
- One-click diagnostic report generation
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The "Motor Noise Analyzer" is an intelligent APP that integrates intelligent algorithms and motor engineering knowledge base, which is capable of one-stop data acquisition, component analysis and noise source localization of motor noise. Users can view the waterfall diagram and spectrum diagram of noise in real time, while the APP will automatically label the frequency, intensity, order and source of noise, simplifying the analysis process. In addition, users can generate professional diagnostic reports with one click, which greatly improves the efficiency and accuracy of motor troubleshooting.
CDHM Tester
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The LERO CDHM Series Portable Hydraulic Tester can be used as a stationary or portable tester for hydraulic system diagnostics, and analysis of the prognostic health of a hydraulic system.Testing for Pump, Motor, Cylinder and Valve. CDHM数字式液压测试仪，用于液压系统故障分析和系统的良性循环评估,可通过测试液压泵，阀，油缸的流量、温度和压力来判断. Flow/流量范围:Up to 800 lpm Pressure/耐压范围:Up to 420 bar Flow Direction/测试方向 :directional as arrow/箭头所示方向 Loading Valve(optional)/带加载阀(可选) Wifi function(optional)+App/自带Wifi功能(可选)+App
Screenshots
Verdict
The clearest difference is in-app purchases: CDHM Tester at none against Motor Noise Analyzer's 7. On price, update cadence, ads 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. Motor Noise Analyzer sells 7 one-off in-app purchases. CDHM Tester asks for nothing beyond the download.
Motor Noise Analyzer ships an update every 3 weeks, CDHM Tester every 5 weeks. The most recent releases landed on September 27, 2026 and October 5, 2026 respectively.
| Parameter | Motor Noise Analyzer | CDHM Tester |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | Hangzhou Maxwell Network Technology Co., Ltd | 深圳雷诺智能技术有限公司 |
In-app purchases
Motor Noise Analyzer
- Experience Package$10.00
- Monthly Card 50% Off Activity$55.90
- Monthly Card$122.99
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- Season Card 50% Off Activity$139.00
- Season Card$279.00
- 50% off annual card promotion$364.99
- Annual Card$729.00
CDHM Tester
No in-app purchases
