Comparison

MechaSense vs Decibel dB

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

Head to head
About

MechaSense

Proactively identify and resolve issues within HVAC/R, plumbing, and electrical systems. This tool helps prevent failures by monitoring critical building infrastructure.

Highlights
  • HVAC/R system monitoring
  • Plumbing system monitoring
  • Electrical system monitoring
  • Proactive problem detection
  • Failure prevention
Features
Read full description

Sense problems and proactively fix them before they result in failures on HVAC/R, related plumbing, or electrical systems

About

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.

Highlights
  • 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
Features
Read full description

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

Screenshots

MechaSense4 screens
Decibel dB3 screens

Verdict

The call

The clearest difference is in-app purchases: MechaSense at none against Decibel dB's 6. MechaSense also leads on rating (5.0 vs 4.7). Decibel dB's advantage is ratings volume (676 vs 1) and iOS requirement (12.4 vs 15.1). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Decibel dB sells 6 in-app purchases, starting at $3.99 per 7 days. MechaSense asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MechaSense holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Decibel dB has 676 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

MechaSense ships an update every 5 months, Decibel dB every 4 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
MechaSense versus Decibel dB: the parameters behind the verdict, then further details
ParameterMechaSenseDecibel dB
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (676 ratings)
Positive reviews77.4% of reviews
Number of ratings1676 — better
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.112.4 — better
Further details — not scored
Size29 MB32 MB
Age rating4+4+
DeveloperHVACINTEL CORPITincubator UAB

Customer experience

MechaSense

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Decibel dB

All ratings676 ratings
Positive95.0%
Neutral3.6%
Negative1.5%
Written reviews31 reviews
Positive77.4%
Neutral9.7%
Negative12.9%

Bugs and requests

MechaSense

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

MechaSense

No in-app purchases

6 purchases

Decibel dB

Subscriptions6
  • Sound Level Meter Pro7 Days trial$3.997 Days
  • Weekly Access$3.997 Days
  • Decibel Meter: Pro Version7 Days trial$6.991 Month
Show 3 more
  • Monthly Access$6.991 Month
  • Noise Level Meter (dB) Pro7 Days trial$12.991 Year
  • Yearly Access$12.991 Year

Questions

Is MechaSense free?
MechaSense is free to download, with no in-app purchases.
Is Decibel dB free?
Decibel dB is free to download, with in-app purchases available.
Which has better reviews, MechaSense or Decibel dB?
MechaSense is rated higher. MechaSense averages 5.0 out of 5 from 1 ratings, while Decibel dB averages 4.7 from 676 ratings.
Do MechaSense or Decibel dB have ads?
Neither MechaSense nor Decibel dB shows ads.
Which is updated more often, MechaSense or Decibel dB?
MechaSense ships an update every 5 months, and Decibel dB every 4 months. Most recently, MechaSense was updated on September 18, 2026 and Decibel dB on September 10, 2026.

Other comparisons