Piano Prober vs Smart Skipper
Price, ratings, monetisation and update history for both apps, side by side — 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.
Smart Skipper
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Stop worrying about your boat when you are away with the Smart Skipper™ app. Get real-time notifications about geofence, bilge, battery, temperature and more. The Smart Skipper™ app has two working modes, on board and remote. When you are on board your vessel use the Smart Skipper™ app to set alarm limits, invite users, configure sensors and more. When you are away from your vessel use the remote features to get real-time notifications, turn on/off bilge pumps, lights and more. Smart Skipper™ empowers boat owners to secure, protect and control your vessel from anywhere.
Screenshots
Verdict
The clearest difference is update cadence: Piano Prober at every 5 weeks against Smart Skipper's every 3 months. Piano Prober also leads on iOS requirement (12.0 vs 14.0). On price, ads, 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.
Piano Prober ships an update every 5 weeks, Smart Skipper every 3 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Piano Prober | Smart Skipper |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 10 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | 绍军 初 | Blue Guard Innovations, LLC |
In-app purchases
Piano Prober
No in-app purchases
Smart Skipper
No in-app purchases
Questions
Is Piano Prober free?
Is Smart Skipper free?
Do Piano Prober or Smart Skipper have ads?
Which is updated more often, Piano Prober or Smart Skipper?
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