i Sound Level Meter vs SuperpowerBMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i Sound Level Meter
Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.
- Measures ambient noise levels
- Tracks maximum noise values
- Tracks minimum noise values
- Displays noise measurements
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The noise meter (noise measuring aparatus). There may be an error of measurement for each smart phone. You can measure how much noise around him. You can check the maximum and minimum values to start You noise measurements. It is recommended to use a high-performance noise meter for accurate noise measurement.
SuperpowerBMS
Monitor your lithium battery pack's health and safety in real-time. View critical data like voltage, current, and temperature, along with individual cell status and charge/discharge switch states. An essential tool for managing battery systems.
- Real-time battery pack monitoring
- Voltage, current, and temperature display
- Individual cell voltage and status
- Protection and alarm status
- Charge/discharge switch status
- Battery balance status
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The SuperpowerBMS battery management system is connected to the battery pack through Bluetooth to monitor the status of the battery pack and provide an important monitoring means for the safety management and health management of the lithium battery system. 1. Real-time display of battery pack information such as voltage, current, temperature, etc., in the form of columns and numbers; 2. Display the real-time voltage, protection status and alarm status of all single batteries; 3. Display the status of charge and discharge switch and battery balance status.
Screenshots
Verdict
The clearest difference is rating: i Sound Level Meter at 4.4 against SuperpowerBMS's 2.3. i Sound Level Meter also leads on review sentiment (22% vs 0%) and ratings volume (38 vs 3). SuperpowerBMS's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.
i Sound Level Meter holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: i Sound Level Meter has 38 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 22% of i Sound Level Meter's written reviews are positive against 0% of SuperpowerBMS's.
i Sound Level Meter ships an update every 2 months, SuperpowerBMS every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | i Sound Level Meter | SuperpowerBMS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (38 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 21.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 38 — better | 3 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 53 MB |
| Age rating | 4+ | 17+ |
| Developer | EONSOFT | 江西达伙网络科技有限公司 |
Customer experience
i Sound Level Meter
SuperpowerBMS
In-app purchases
i Sound Level Meter
No in-app purchases
SuperpowerBMS
No in-app purchases
Questions
Is i Sound Level Meter free?
Is SuperpowerBMS free?
Which has better reviews, i Sound Level Meter or SuperpowerBMS?
Do i Sound Level Meter or SuperpowerBMS have ads?
Which is updated more often, i Sound Level Meter or SuperpowerBMS?
Other comparisons
