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Best Decibel X:dB Sound Level Meter Alternatives for iPhone (2026)

Decibel X:dB Sound Level Meter is S tier, #1 of 11 in sound measurement. Here is everything that competes with it on iPhone, in tier order.

All 10 alternatives, in tier order

1. 2
   NIOSH Sound Level MeterS

   Free · ★ 4.7 · 16,912 ratings · score 94

   Free NIOSH app that measures sound levels and noise dose with A, C and Z weighting networks.
2. 3
   Decibel : dB sound level meterA

   Free download · ★ 4.6 · 36,148 ratings · score 86

   Sound level meter that measures ambient noise in dB in real time, with a built-in spectrum analyzer.
3. 4
   Decibel Meter UltraA

   Free + IAP · ★ 4.6 · 2,546 ratings · score 85

   Sound level meter that measures, records and logs noise levels, with dosimeter and octave band analysis tools.
4. 5
   Decibel X PRO: dBA Noise MeterA

   $69.99 · ★ 4.7 · 6,918 ratings · score 83

   Turns an iOS device into a sound level meter that measures sound pressure level in dBA, dBC and other weightings.
5. 6
   Sound Meter (Decibel)A

   Free · ★ 4.5 · 3,240 ratings · score 81

   Measures environmental noise in decibels and shows readings as a gauge, a graph line, and min/avg/max values.
6. 7
   Clear WaveC

   Free + IAP · ★ 4.6 · 37,054 ratings · score 70

   Plays test sounds and measures decibels and hertz to check speakers, and tests whether the phone microphone is clogged.
7. 8
   AudioTools, dB, Sound & AudioC

   $19.99 + IAP · ★ 4.8 · 5,085 ratings · score 68

   Suite of audio and acoustic analysis tools, including an SPL meter, RTA, FFT, speaker polarity test and recorder.
8. 9
   Decibel - sound level meterC

   Free + IAP · ★ 4.6 · 4,708 ratings · score 66

   Measures sound pressure levels and frequency spectrum, with a reference chart to compare recordings.
9. 10
   Audio Spectrum Analyzer dB RTAC

   Free + IAP · ★ 4.5 · 3,040 ratings · score 64

   Real-time audio spectrum analyzer and sound level meter with FFT plot and octave band (RTA) views.
10. 11
    Decibel Meter MasterC

    Free · ★ 4.6 · 3,219 ratings · score 62

    Uses the iPhone microphone to measure sound level in decibels.

Questions people ask

What is the best alternative to Decibel X:dB Sound Level Meter on iPhone?

NIOSH Sound Level Meter, S tier, #2 in sound measurement.

Is there a free alternative to Decibel X:dB Sound Level Meter?

Yes: NIOSH Sound Level Meter (S tier, #2) is free, with no in-app purchases.

Does anything rank above Decibel X:dB Sound Level Meter?

No. Decibel X:dB Sound Level Meter is #1 in sound measurement.

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