x Decibel vs KeepKnow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
x Decibel
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This is a decibel meter app tool, delivering decibel readings of your surrounding environment . Beyond core noise measurement, it features an engaging game function that lets you compete with friends to see who can produce the loudest sound, turning sound detection into an interactive experience.
KeepKnow
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The KeepKnow App connects to smart battery systems via Bluetooth and Wi-Fi, enabling real-time monitoring, remote control, and multi-battery management for energy storage applications
Screenshots
Verdict
The clearest difference is ads: KeepKnow at none against x Decibel's shown. 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.
| Parameter | x Decibel | KeepKnow |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 43 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Singxi Limited | KeepKnow New Energy Limited |
In-app purchases
x Decibel
No in-app purchases
KeepKnow
No in-app purchases
