Instrument Classification vs Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Instrument Classification
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Classifying instruments by sound #Plucked string #Brass #Wind #Bowed string #Rattle #instruments
Sensor
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SensorStream turns your iPhone and Apple Watch into real-time motion sensor tools. Select a device, choose the sensor streams you need, and view smooth live graphs with sampling- rate information. Record sessions locally and export the captured data as CSV files for analysis, research, testing, or development. Features include: • iPhone and Apple Watch sensor streaming • Accelerometer and gyroscope data • Gravity and magnetic-field measurements • Pitch, roll, yaw, quaternions, and rotation matrices • Live sampling-rate display • Selectable sensor channels • Smooth, full-width graphs • Local recording with pause and resume controls • CSV file sharing and deletion • Light and dark appearance support Available streams depend on the selected device and its hardware capabilities. SensorStream excludes HealthKit-dependent biometric data.
Screenshots
Verdict
The clearest difference is ads: Sensor at none against Instrument Classification's shown. Instrument Classification's advantage is iOS requirement (15.8.3 vs 18.0). On price, 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.
| Parameter | Instrument Classification | Sensor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 15.8.3 — better | 18.0 |
| Further details — not scored | ||
| Size | 43 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | Yerim Lab LLC |
In-app purchases
Instrument Classification
No in-app purchases
Sensor
No in-app purchases
Questions
Is Instrument Classification free?
Is Sensor free?
Do Instrument Classification or Sensor have ads?
Other comparisons
