Comparison

dBMeter Pro vs Delay.?

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

Head to head
About

dBMeter Pro

This application transforms your iPhone into a sound level meter for analyzing ambient noise or testing audio equipment. It offers dual-input measurement, a contextual reference guide, and long-term data logging up to 12 hours. Data can be exported for further analysis.

Highlights
  • Dual-input measurement
  • Contextual reference guide
  • Long-term data logging
  • CSV data export
  • External microphone support
Read full description

Transform your iPhone into a powerful sound level meter with dBMeter Pro. Whether you are analyzing ambient noise, testing audio equipment, or simply curious about your environment, dBMeter Pro delivers accurate decibel readings with an intuitive interface. Key Capabilities: - Dual-Input Measurement: Seamlessly switch between the iPhone’s built-in microphone for quick checks or connect external measuring microphones for enhanced precision. - Contextual Reference Guide: Don’t just read numbers—understand them. Our visual reference view compares current noise levels to real-world examples (like a library, traffic, or a rock concert) for instant context. - Long-Term Data Logging: Need to monitor noise over time? Record up to 12 hours of continuous samples. - Data Export: Easily export your sessions as CSV files for deep-dive analytics and archiving. Important Note: While dBMeter Pro has been calibrated using professional-grade equipment to ensure high accuracy, it is intended for personal and educational use only. It should not be used as a substitute for certified industrial equipment for professional or legal measurements. The author assumes no liability for damages arising from the use of this software.

About

Delay.?

Features
Read full description

An App for Audio and AV Production Professionals to capture real-world speaker and listener locations and measure for setting delay. Quick Start Guide: - Place device at the front face of the Main PA speaker and press Set. - Place device at the front face of the Delay speaker and press Set. - Place device at the listener location and press Set & Finish. - Share results and take more *Uses ARKit for Location Measurement. More light the better. No data is stored after close and never transmitted. Old School like that.

Screenshots

dBMeter Pro4 screens
Delay.?4 screens

Verdict

The call

The clearest difference is price: Delay.? at $3.99 against dBMeter Pro's $5.99. On ads, in-app purchases, 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

dBMeter Pro costs $5.99 and Delay.? $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
dBMeter Pro versus Delay.?: the parameters behind the verdict, then further details
ParameterdBMeter ProDelay.?
Price$5.99$3.99 — better
Rating5.0 (2 ratings) — better—
Positive reviews56.7% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.617.6
Further details — not scored
Size6 MB15 MB
Age rating4+4+
DeveloperMatthias SchorerJeremy Horn

In-app purchases

None

dBMeter Pro

No in-app purchases

None

Delay.?

No in-app purchases

Questions

Is dBMeter Pro free?
dBMeter Pro costs $5.99, with no in-app purchases.
Is Delay.? free?
Delay.? costs $3.99, with no in-app purchases.
Do dBMeter Pro or Delay.? have ads?
Neither dBMeter Pro nor Delay.? shows ads.

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