System Sound vs API MeasurePro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
System Sound
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Plays the system sound specified by the system sound ID.
API MeasurePro
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A mobile app version of the API Metrology MeasurePro software that is able to remotely control the MeasurePro desktop software and API Metrology instruments. This app can do alignments, probe features, and inspect parts with their corresponding CAD models.
Screenshots
Verdict
The clearest difference is ads: API MeasurePro at none against System Sound's shown. API MeasurePro also leads on iOS requirement (13.0 vs 15.8.3). System Sound's advantage is update cadence (every 2 weeks vs every 3 months). 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.
System Sound ships an update every 2 weeks, API MeasurePro every 3 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.
| Parameter | System Sound | API MeasurePro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.8.3 | 13.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | Automated Precision Inc. |
In-app purchases
System Sound
No in-app purchases
API MeasurePro
No in-app purchases
Questions
Is System Sound free?
Is API MeasurePro free?
Do System Sound or API MeasurePro have ads?
Which is updated more often, System Sound or API MeasurePro?
Other comparisons
