Motor Noise Analyzer vs JonGrow
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.
JonGrow
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Witnessing is the best gift you can give your child. Children grow up so quickly, and the joy of seeing them grow taller shouldn't just remain in our memories. JonGrow is dedicated to recording every key milestone in a child's growth in the simplest way possible.
Screenshots
Verdict
The clearest difference is in-app purchases: JonGrow at none against Motor Noise Analyzer's 7. Motor Noise Analyzer's advantage is iOS requirement (13.0 vs 17.6). 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. JonGrow asks for nothing beyond the download.
Motor Noise Analyzer ships an update every 3 weeks, JonGrow fortnightly. The most recent releases landed on September 27, 2026 and October 12, 2026 respectively.
| Parameter | Motor Noise Analyzer | JonGrow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 23 MB | 11 MB |
| Age rating | 17+ | 9+ |
| Developer | Hangzhou Maxwell Network Technology Co., Ltd | PuffinStudio |
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
JonGrow
No in-app purchases
