Sound Meter (SPL meter) vs AI记忆
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Meter (SPL meter)
This utility app uses your device's microphone to measure ambient noise levels in decibels. It displays readings with graphical representations and provides historical data like minimum, average, and maximum values. Calibration options are available for different devices.
- Measures noise in decibels (dB)
- Displays decibel readings on a gauge
- Shows current, min, avg, and max dB values
- Graphs decibel levels over time
- Tracks elapsed time of measurements
- Allows device-specific decibel calibration
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Sound Meter is also known as Sound Pressure Level meter (SPL meter) , noise level meter, decibel meter(dB meter), sound level meter or soundmeter. You can experience tidy graphic design with high frame by this smart sound meter app. The noise level meter or sound pressure level Meter(SPL meter) use the smartphone or tablet microphone to measure environmental noise in decibels(dB). The decibel(dB) value of this noise level meter or soundmeter might be vary compare with an actual Sound Meter(dB Meter). Features: - Indicates decibel by gauge - Display the current noise reference - Display min/avg/max decibel values - Display decibel by graph line - Display Elapsed time of decibel - Can calibrate the decibel for each devices NOTE: Microphones in most devices are aligned to human voice and the maximum values are limited by the hardware. Very loud sounds (~90 dB and more) may not be recognized. So please use it as just an auxiliary tools. If you need more accurate dB values, we recommend a actual sound level meter for that.
AI记忆
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随口一句话，随时记，方便查
Screenshots
Verdict
The clearest difference is price: AI记忆 at Free against Sound Meter (SPL meter)'s $0.99. AI记忆 also leads on in-app purchases (none vs 1) and ads (none vs shown). Sound Meter (SPL meter)'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
AI记忆 is free to download; Sound Meter (SPL meter) costs $0.99 up front. Sound Meter (SPL meter) sells 1 one-off in-app purchase. AI记忆 asks for nothing beyond the download.
Sound Meter (SPL meter) ships an update every 6 weeks, AI记忆 every 5 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.
| Parameter | Sound Meter (SPL meter) | AI记忆 |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 28.6% of reviews | — |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 25 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 庆鸿 林 | 爽 周 |
In-app purchases
Sound Meter (SPL meter)
- Premium Access$0.99
AI记忆
No in-app purchases
