Piano Prober vs EMX RFID
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Piano Prober
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Does your piano go out of tune? Is your piano tuned fine? The App can answer these questions for free. Follow the on-screen prompts to strike several piano keys, you can obtain the piano's tuning curve as well as a chart of these keys' pitch deviations. By these results, you can evaluate how much your piano is out of tune. This App based on our leading piano tuner technology. It provide very high detection accuracy and reliability. Feature: Automatically generating the tuning curve to adapt to the unique characteristics of each piano. More than 0.1 cents accuracy of pitch measurement. Probing with not muting unison strings makes it more simple and convenient. Note: To achieve 0.1 cents measurement accuracy, you should mute unison strings well, and keep the environment quiet, no interference. With not muting unison mode, the measurement accuracy is about 2 cents.
EMX RFID
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Mobile app for use configuring EMX Industries, Inc. RFID readers.
Screenshots
Verdict
The clearest difference is update cadence: Piano Prober at every 5 weeks against EMX RFID's every 8 months. Piano Prober also leads on iOS requirement (12.0 vs 14.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Piano Prober ships an update every 5 weeks, EMX RFID every 8 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.
| Parameter | Piano Prober | EMX RFID |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks โ better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 โ better | 14.2 |
| Further details โ not scored | ||
| Size | 10 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | ็ปๅ ๅ | EMX Industries Inc |
In-app purchases
Piano Prober
No in-app purchases
EMX RFID
No in-app purchases
Questions
Is Piano Prober free?
Is EMX RFID free?
Do Piano Prober or EMX RFID have ads?
Which is updated more often, Piano Prober or EMX RFID?
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