Comparison

Combos vs Sound Analyzer

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

Head to head
About

Combos

Features
Read full description

β€œCombos” is an iOS app that allows you to perform lottery, pairing, numbering, grouping, etc. using facial photos extracted using facial recognition. Ads will be displayed when you tap the start button and when copying data, but these ads can be removed by making an in-app purchase. When ads are removed through in-app purchases, introductions of other apps will also be removed. [details] https://app.brain-workout.org/combos-e/

About

Sound Analyzer

Features
Read full description

Sound Analyzer analyzes audio from your microphone in real time using FFT, and displays the frequency spectrum visually. Perfect for noise surveys, acoustic checks, and environmental measurements. 【Features】 β–  Real-Time Spectrum Display Live FFT analysis from the microphone. Simultaneously shows peak frequency, peak amplitude, and RMS level. β–  Audio Recording & Playback (Pro) Record audio while measuring. During playback, the original FFT spectrum is recalculated in real time. Linear scale display is also supported. β–  GPS Location Tagging (Pro) Automatically attach location data to recordings and measurements. View where each measurement was taken on a map. β–  Memo & Tag Management (Pro) Add memos and tags to each recording for easy organization. Categorize by factory, traffic noise, outdoor, and more. β–  CSV Export (Pro) Export measurement data as CSV files for use in Excel or Numbers β€” ideal for reports and analysis. β–  Playback Speed Control (Pro) Play recordings at 0.5x, 1x, 2x, or 4x speed to closely examine audio details. 【Use Cases】 Β· Construction and facility noise level monitoring Β· Frequency response checks for instruments and speakers Β· Acoustic recording at outdoor events and natural environments Β· Audio and music education and research Professional frequency analysis, made simple β€” anytime, anywhere.

Screenshots

Combos4 screens
Sound Analyzer3 screens

Verdict

The call

The clearest difference is ads: Sound Analyzer at none against Combos's shown. Sound Analyzer also leads on update cadence (every 5 weeks vs every 8 months). Combos's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Combos sells 1 one-off in-app purchase and Sound Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Combos ships an update every 8 months, Sound Analyzer every 5 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Β· 3 level
Combos versus Sound Analyzer: the parameters behind the verdict, then further details
ParameterCombosSound Analyzer
PriceFreeFree
Update frequencyEvery 8 monthsEvery 5 weeks β€” better
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better17.0
Further details β€” not scored
Size14 MB2 MB
Age rating4+4+
DeveloperYasuyoshi OtaTakahiro Endo

In-app purchases

1 purchases

Combos

One-time1
  • remove ads$3.99
1 purchases

Sound Analyzer

One-time1
  • Pro Plan$1.99

Questions

Is Combos free?
Combos is free to download, with in-app purchases available.
Is Sound Analyzer free?
Sound Analyzer is free to download, with in-app purchases available.
Do Combos or Sound Analyzer have ads?
Combos shows ads; Sound Analyzer does not.
Which is updated more often, Combos or Sound Analyzer?
Combos ships an update every 8 months, and Sound Analyzer every 5 weeks. Most recently, Combos was updated on October 27, 2026 and Sound Analyzer on October 31, 2026.

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