Comparison

dB Noise Meter vs 123 Sleep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

dB Noise Meter

Measure ambient noise levels in decibels (dB) using your phone's microphone. Track real-time noise, identify loud appliances, and monitor your exposure to potentially harmful sound levels.

Highlights
  • Real-time decibel measurement
  • Noise level tracking
  • Appliance noise testing
  • Save noise measurements
  • Display min/max/avg dB
Features
Read full description

Sound Level & Decibel Meter is a powerful application which will allow you to measure noise background with your phone microphone. It shows real-time noise value in decibels (dB). Sound Level & Decibel Meter can be used to check the noise of any household appliances like washing machine, refrigerator, computer, air conditioner, etc,. Also you can decide which item you should buy based on the amount sound the electronic unit makes. Too much noise is dangerous to you. So you can keep track of noise around you and avoid being at places that have sound levels that are dangerous to you. Features: - Highly accurate decibel meter - Allows you to save your recorded noise measurements - Indicates decibel by gauge - Display the current noise reference - Display Minimum, Maximum and Average decibel values Privacy Policy: https://www.code4flutter.in/privacy-noise-meter/ Terms Of Use: https://www.code4flutter.in/terms-noise-meter

About

123 Sleep

Features
Read full description

123 — Smart control and sleep tracking for the water cooling & heating mattress. Take control of your comfort and better understand your sleep. 123 connects to your water cooling and heating mattress to manage temperature zones and automatically collect simple, actionable sleep data. Key features Remote temperature control: set and adjust water cooling and heating mattress for personalized comfort. Sleep metrics: automatic recording of time in bed, wake time, total sleep duration, and number of bed exits. Sleep events: detect snoring and off‑bed episodes to help analyze interruptions. Resting heart rate: track basic resting heart rate trends during sleep. Daily & historical views: nightly summaries and trends by day. Easy pairing: connect via Bluetooth &Wi-Fi (model dependent). Simple UI: clear dashboard, one-touch presets, and manual controls. Notifications: optional alerts for temperature faults, connection issues, or major sleep events. Privacy & security: local storage with secure sync options; you control what to share. How it works Install 123 and pair with your compatible mattress. Configure comfort presets and sleep detection preferences. The app automatically logs sleep metrics while the mattress manages temperature and movement. View summaries, trends, and export data when needed. Who it’s for Ideal for users with water‑cooling and heating mattresses who want precise bed temperature control and straight forward sleep insights—especially those dealing with night sweats, temperature‑related awakenings, or couples needing personalized bed temps. Compatibility & requirements Compatible with supported 123 mattress models—see product docs for model list. Requires Bluetooth&WiFi and the minimum OS version shown on the store page. Privacy & support 123 respects your privacy. Sleep data is stored locally and synced only with your consent. See the in‑app Privacy Policy for details. For setup help or feedback, contact support via the app or our website. Get started Download 123, pair your mattress, and start optimizing comfort and sleep tonight.

Screenshots

dB Noise Meter3 screens
123 Sleep4 screens

Verdict

The call

The clearest difference is in-app purchases: 123 Sleep at none against dB Noise Meter's 5. 123 Sleep also leads on ads (none vs shown). dB Noise Meter's advantage is update cadence (every 2 months vs every 7 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. dB Noise Meter sells 5 in-app purchases, starting at $6.99 per 7 days. 123 Sleep asks for nothing beyond the download.

UpkeepUpdate frequency

dB Noise Meter ships an update every 2 months, 123 Sleep every 7 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
dB Noise Meter versus 123 Sleep: the parameters behind the verdict, then further details
ParameterdB Noise Meter123 Sleep
PriceFreeFree
Rating3.8 (125 ratings) — better—
Positive reviews15.4% of reviews—
Number of ratings125 — better—
Update frequencyEvery 2 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size49 MB25 MB
Age rating+417+
DeveloperPetr Polasek123 Health Tech Limited

In-app purchases

5 purchases

dB Noise Meter

Subscriptions5
  • Premium 1 week$6.997 Days
  • Premium 1 Month3 Days trial$9.991 Month
  • Premium 3 Months$17.993 Months
Show 2 more
  • Premium 6 Months$19.996 Months
  • Premium 1 Year3 Days trial$29.991 Year
None

123 Sleep

No in-app purchases

Questions

Is dB Noise Meter free?
dB Noise Meter is free to download, with in-app purchases available.
Is 123 Sleep free?
123 Sleep is free to download, with no in-app purchases.
Do dB Noise Meter or 123 Sleep have ads?
dB Noise Meter shows ads; 123 Sleep does not.
Which is updated more often, dB Noise Meter or 123 Sleep?
dB Noise Meter ships an update every 2 months, and 123 Sleep every 7 months. Most recently, dB Noise Meter was updated on November 3, 2026 and 123 Sleep on October 31, 2026.

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