Sonic Motion vs Speech Emotion Recognition
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonic Motion
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Sonic Motion is an app that converts the values from the accelerometer, gravity, and rotation sensors into sound in real time. It plays sounds with a soft or hard tone depending on whether the sensor values are positive or negative. Select the motion of the X, Y, or Z axis and experience movement as sound!
Speech Emotion Recognition
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Recognizing emotions through voice (Happy, Anger, Cry, Normal)
Screenshots
Verdict
The clearest difference is ads: Sonic Motion at none against Speech Emotion Recognition's shown. Speech Emotion Recognition's advantage is update cadence (fortnightly vs every 15 months). On price, in-app purchases, device support and iOS requirement 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.
Sonic Motion ships an update every 15 months, Speech Emotion Recognition fortnightly. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.
| Parameter | Sonic Motion | Speech Emotion Recognition |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 1 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Yoshiyuki Koyanagi | Hideaki Uchikoshi |
In-app purchases
Sonic Motion
No in-app purchases
Speech Emotion Recognition
No in-app purchases
Questions
Is Sonic Motion free?
Is Speech Emotion Recognition free?
Do Sonic Motion or Speech Emotion Recognition have ads?
Which is updated more often, Sonic Motion or Speech Emotion Recognition?
Other comparisons
