Decibel dB vs IAQ Solution
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel dB
Measure ambient noise and sound levels in real-time with this tool. It helps control noise pollution and protect user health by displaying decibel values numerically and graphically. Track exposure over time with NIOSH and OSHA compliant measurements.
- Measure noise in decibels (dB)
- Track MIN, AVG, MAX sound levels
- Record and export measurements
- Overlay noise levels on photos/videos
- NIOSH and OSHA compliant meter
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Decibel Meter is an app intended for objective, real-time measurement of ambient noise and sound levels. It is intended for noise pollution control with the aim to protect the health of its users. The app displays quantitative noise level values in decibels using various measurements both in numerical and graphical form. The app also features a fully functional noise level meter to measure the user’s noise exposure over a period of time according to NIOSH and OSHA (to be chosen by the user). FEATURES: • Measure noise level in decibels (dB); • Track minimum (MIN), average (AVG) and maximum (MAX) sound levels; • Record measurement results; • Save, export and play recorded measurements; • Photos and videos with the ambient noise level overlay; • Noise level meter compliant with NIOSH and OSHA. The app was created with the purpose to prevent negative noise effects on the health of its users. Please choose from our standard subscription options below: 1-week subscription from $2.99; 1-month subscription from $5.99; 12-month subscription from $10.99. Prices may change depending on your country. Privacy policy: https://it-incubator.eu/en/privacy-policy Terms of use: https://it-incubator.eu/en/terms-of-use
IAQ Solution
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더하라 공기청정기와 BLE로 연동되어, 실시간으로 실내 공기질의 변화를 추적할 수 있습니다.
Screenshots
Verdict
The clearest difference is in-app purchases: IAQ Solution at none against Decibel dB's 6. IAQ Solution also leads on update cadence (every 2 months vs every 4 months). On price, ads, 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 dB sells 6 in-app purchases, starting at $3.99 per 7 days. IAQ Solution asks for nothing beyond the download.
Decibel dB ships an update every 4 months, IAQ Solution every 2 months. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.
| Parameter | Decibel dB | IAQ Solution |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (686 ratings) — better | — |
| Positive reviews | 77.4% of reviews | — |
| Number of ratings | 686 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 — better | 13.0 |
| Further details — not scored | ||
| Size | 32 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | ITincubator UAB | DONG YEON KIM |
Bugs and requests
Decibel dB
Reported bugs
2 issues- Inaccurate decibel readings in some environments
- Occasional crashes or freezes
Requested features
2 requests- Ability to record and export noise measurements
- Integration with smart home devices
IAQ Solution
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Decibel dB
- Sound Level Meter Pro7 Days trial$3.997 Days
- Weekly Access$3.997 Days
- Decibel Meter: Pro Version7 Days trial$6.991 Month
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- Monthly Access$6.991 Month
- Noise Level Meter (dB) Pro7 Days trial$12.991 Year
- Yearly Access$12.991 Year
IAQ Solution
No in-app purchases
Questions
Is Decibel dB free?
Is IAQ Solution free?
Do Decibel dB or IAQ Solution have ads?
Which is updated more often, Decibel dB or IAQ Solution?
Other comparisons
