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Best Audio Analysis Apps for iPhone (2026)

6 apps ranked S through F · · Ranked by AppTierList, computed, never sold · JSON

Decibel X:dB Sound Level Meter is the top-ranked of 6 audio analysis apps on iPhone, at S tier with 4.6/5 from 163,256 ratings.

  1. 1
    Decibel X:dB Sound Level MeterS
    Free download · ★ 4.6 · 163,256 ratings · score 97
  2. 2
    AudioTools, dB, Sound & AudioA
    $19.99 + IAP · ★ 4.8 · 5,085 ratings · score 89
  3. 3
    Decibel : dB sound level meterA
    Free download · ★ 4.6 · 36,148 ratings · score 87
  4. 4
    Decibel X PRO: dBA Noise MeterA
    $69.99 · ★ 4.7 · 6,918 ratings · score 86
  5. 5
    Decibel Meter UltraA
    Free + IAP · ★ 4.6 · 2,546 ratings · score 83

What belongs in this list

Measure and view the sound around the phone or from audio as it plays.

Not here: audio recording alone; audio extraction alone; audio sampling alone; video analysis alone; a music player alone

How we pick

For this list we ask the App Store the same searches a person would, in several countries, and keep every app it returns. A model reads each app's listing and rejects the ones that only mention the use case. Every app that stays is scored out of 100 from four parts, each 0 to 100 and averaged with no weights: its App Store rating, how many people rated it, where the App Store itself ranks it for this list's searches, and how recently its current version shipped. An app showing Apple's Editors' Choice badge gets a fifth part of 100, which can only lift its score. Tiers follow fixed score bands: S from 90, A from 80, B from 70, C from 60, D from 50, F below. The list's leader is S if it scores 80 or more. On a list of 20 or more ranked apps, a tier from S to D takes in new apps only up to a quarter of the top 40: an app pushed out of a full tier falls to the next tier with room, and F takes the rest. An app already in a tier keeps its place while the tier is at most 2 apps over a quarter; past that, only the apps over that margin go down, lowest score first. Equal scores share a tier, and no app has a better tier than an app ranked above it. An app keeps its tier until its score passes the band edge by more than 1 point, or a full tier or the order above moves it. Only the top 40 of a list get a tier. Read the full method →

S
Decibel X
A
AudioToolsDecibelDecibel X PRODecibel Meter Ultra
B
Audio
C
None at C yet
D
None at D yet
F
None at F yet

Compare every app

  1. 1
    Decibel X:dB Sound Level MeterS
    Free download · ★ 4.6 · 163,256 ratings · score 97 · best in class
  2. 2
    AudioTools, dB, Sound & AudioA
    $19.99 + IAP · ★ 4.8 · 5,085 ratings · score 89 · excellent
  3. 3
    Decibel : dB sound level meterA
    Free download · ★ 4.6 · 36,148 ratings · score 87 · excellent
  4. 4
    Decibel X PRO: dBA Noise MeterA
    $69.99 · ★ 4.7 · 6,918 ratings · score 86 · excellent
  5. 5
    Decibel Meter UltraA
    Free + IAP · ★ 4.6 · 2,546 ratings · score 83 · excellent
  6. 6
    Audio Spectrum Analyzer dB RTAB
    Free + IAP · ★ 4.5 · 3,040 ratings · score 75 · good

Questions people ask

What is the best audio analysis app for iPhone?
Decibel X:dB Sound Level Meter, S tier, ranked #1 of 6, rated 4.6 by 163,256 people.
Which audio analysis apps are free?
4 of 6 are free to download: Decibel X:dB Sound Level Meter (S), Decibel : dB sound level meter (A), Decibel Meter Ultra (A), Audio Spectrum Analyzer dB RTA (B). 2 of them sell in-app purchases.
Which audio analysis app has the best App Store rating?
AudioTools, dB, Sound & Audio at 4.8 from 5,085 ratings.
How many audio analysis apps reach S or A tier?
5 of 6. Tiers follow fixed score bands: S from 90, A from 80, B from 70, C from 60, D from 50, F below. The list's leader is S if it scores 80 or more. On a list of 20 or more ranked apps, a tier from S to D takes in new apps only up to a quarter of the top 40: an app pushed out of a full tier falls to the next tier with room, and F takes the rest. An app already in a tier keeps its place while the tier is at most 2 apps over a quarter; past that, only the apps over that margin go down, lowest score first. Equal scores share a tier, and no app has a better tier than an app ranked above it. An app keeps its tier until its score passes the band edge by more than 1 point, or a full tier or the order above moves it. Only the top 40 of a list get a tier.

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