Sound Meter HQ vs POWERbot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Meter HQ
This application measures noise and sound levels using your device's microphone. It displays results in decibels on a logarithmic graph and allows for calibration to ensure accuracy. You can record minimum, average, and maximum sound levels.
- Measure sound level
- Vibration meter
- Noise detector
- Record Min, AVG, Max levels
- Logarithmic dB graph
- Manual and auto calibration
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Sound Meter - smart tool-app to measure noise and sound level or measurement of sound pressure level (SPL) in decibels (dB). To get precise measurements, we recommend, before start using, make app calibration: settings -> calibration (automatic or manual). This application use the built-in microphone in your smartphone or tablet and results of measurements are shown in the chart. Sound meter includes the following features: - measure of sound level, vibration meter, noise detector - record of: minimum (Min), average (AVG), maximum (Max) sound level - logarithmic graph of sound level in decibels (dB) - calibration tool - two modes: manual and auto calibration - ability to stop and record the results of measurements at any time Enjoy with Sound Meter !
POWERbot
Control your robot vacuum remotely with this application. Start cleaning cycles, send the device back to its charging station, and manage other essential functions with ease.
- Remote vacuum control
- Start/stop cleaning
- Return to dock
- Device management
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POWERbot-E APP just helps you to release your hands from housework. You can only control you robot vacuum via app, to get started, go back to docking station or other controls.
Screenshots
Verdict
The clearest difference is rating: Sound Meter HQ at 4.8 against POWERbot's 1.7. Sound Meter HQ also leads on review sentiment (38% vs 7%) and ratings volume (346 vs 31). POWERbot's advantage is in-app purchases (none vs 1). On price, update cadence, ads 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. Sound Meter HQ sells 1 one-off in-app purchase. POWERbot asks for nothing beyond the download.
Sound Meter HQ holds the better App Store score, 4.8 against 1.7. That said, the two scores are not equally well evidenced: Sound Meter HQ has 346 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 38% of Sound Meter HQ's written reviews are positive against 7% of POWERbot's.
Sound Meter HQ ships an update every 3 months, POWERbot every 4 months. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.
| Parameter | Sound Meter HQ | POWERbot |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (346 ratings) — better | 1.7 (31 ratings) |
| Positive reviews | 37.5% of reviews — better | 6.5% of reviews |
| Number of ratings | 346 — better | 31 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 18 MB | 72 MB |
| Age rating | 4+ | +4 |
| Developer | ExaMobile S.A. | Samsung Electronics Co., Ltd. |
Customer experience
Sound Meter HQ
POWERbot
Bugs and requests
Sound Meter HQ
Not enough reviews yet to summarise bugs or requests.
POWERbot
Reported bugs
8 issues- App crashes on launch
- App doesn't recognize device
- App freezes during network setup
- App doesn't list device after connection
- App doesn't allow device addition
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- App keeps crashing after update
- App not working on latest iOS
- App doesn't connect to Wi-Fi
Requested features
4 requests- Add dark mode option
- Improve mapping functionality
- Allow manual control improvements
- Provide default Wi-Fi password
In-app purchases
Sound Meter HQ
- Remove ads$1.99
POWERbot
No in-app purchases
