# Sound Meter HQ vs POWERbot

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.

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.

## The numbers

| Metric | Sound Meter HQ | POWERbot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (346 ratings)](https://appshunter.io/ios/app/sound-meter-hq/id1093419762/reviews)** | [1.7 (31 ratings)](https://appshunter.io/ios/app/powerbot-e/id1480187168/reviews) |
| Number of ratings | **346** | 31 |
| Positive reviews | **37.5% of reviews** | 6.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 72 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Samsung Electronics Co., Ltd.](https://appshunter.io/developer/359580642) |

## What reviewers say

### Sound Meter HQ

[App page](https://appshunter.io/ios/app/sound-meter-hq/id1093419762)

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.

**Highlights:** Measure sound level, Vibration meter, Noise detector, Record Min, AVG, Max levels, Logarithmic dB graph, Manual and auto calibration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### POWERbot

[App page](https://appshunter.io/ios/app/powerbot-e/id1480187168)

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.

**Highlights:** Remote vacuum control, Start/stop cleaning, Return to dock, Device management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast connection
- 👍 Beautifully constructed app
- 🚀 Incredibly fast mixing
- 👍 Doesn't crash on iPad mini

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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

**Requested features**

- Add dark mode option
- Improve mapping functionality
- Allow manual control improvements
- Provide default Wi-Fi password


## Frequently asked questions

### Is Sound Meter HQ free?

Sound Meter HQ is free to download, with in-app purchases available.

### Is POWERbot free?

POWERbot is free to download, with no in-app purchases.

### Which has better reviews, Sound Meter HQ or POWERbot?

Sound Meter HQ is rated higher. Sound Meter HQ averages 4.8 out of 5 from 346 ratings, while POWERbot averages 1.7 from 31 ratings.

### Do Sound Meter HQ or POWERbot have ads?

Neither Sound Meter HQ nor POWERbot shows ads.

### Which is updated more often, Sound Meter HQ or POWERbot?

Sound Meter HQ ships an update every 3 months, and POWERbot every 4 months. Most recently, Sound Meter HQ was updated on October 19, 2026 and POWERbot on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*