Camera Sound Meter vs SecureDocs Sentry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Camera Sound Meter
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When measuring noise, have you ever wanted to record where the measurements were taken? Try Camera Sound Meter. You can record the location of the noise with a camera. Oh, it also provides a screen recording function.
SecureDocs Sentry
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SecureDocs Sentry Decoder Tool
Screenshots
Verdict
The clearest difference is ads: SecureDocs Sentry at none against Camera Sound Meter's shown. SecureDocs Sentry also leads on iOS requirement (13.0 vs 15.0). Camera Sound Meter's advantage is update cadence (every 6 weeks vs every 9 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.
Camera Sound Meter ships an update every 6 weeks, SecureDocs Sentry every 9 months. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.
| Parameter | Camera Sound Meter | SecureDocs Sentry |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Sooseong Park | Troy Group, Inc. |
In-app purchases
Camera Sound Meter
No in-app purchases
SecureDocs Sentry
No in-app purchases
Questions
Is Camera Sound Meter free?
Is SecureDocs Sentry free?
Do Camera Sound Meter or SecureDocs Sentry have ads?
Which is updated more often, Camera Sound Meter or SecureDocs Sentry?
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