Decibel：Sound Meter vs Elecway
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel：Sound Meter
This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.
- Real-time decibel measurement
- High precision
- Location data
- Decibel camera
- Measurement reports
- Data sharing
- Audio data export
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Decibel：Sound Meter is an app that can provide real-time decibel data, with the following features: -High precision measurement, real-time measurement -Provide location -Real time decibel camera -Provide detailed measurement reports -One click sharing of measurement data -Support for exporting audio data I Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of purchase II Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period III Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID" to enter the "Account Settings" page, click on "Subscription", and choose to unsubscribe IV Privacy Agreement: https://docs.qq.com/doc/DVURkSmJKSll0dXBW 5、 Terms of Use: https://docs.qq.com/doc/DVXB3TWtxSUt2Rk1R
Elecway
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Elecway helps you connect, configure, monitor and control home energy devices, view battery status, track data trends, and get help through FAQs and contact options. The app provides historical and real-time data charts to help users understand the operation status and power generation trends of the system.
Screenshots
Verdict
The clearest difference is in-app purchases: Elecway at none against Decibel：Sound Meter's 3. Elecway also leads on ads (none vs shown). On price, update cadence, 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. Decibel：Sound Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Elecway asks for nothing beyond the download.
Decibel：Sound Meter ships an update every 11 days, Elecway every 3 weeks. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.
| Parameter | Decibel：Sound Meter | Elecway |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) — better | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 11 days — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 33 MB | 132 MB |
| Age rating | 9+ | 4+ |
| Developer | ZHHUALIUON INC | 上海艺唯电子有有限公司 |
In-app purchases
Decibel：Sound Meter
- Weekly membership3 Days trial$3.997 Days
- Monthly membership3 Days trial$4.991 Month
- Annual membership3 Days trial$14.991 Year
Elecway
No in-app purchases
