Comparison

Random Sound Recorder vs AcousticLab

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

Head to head
About

Random Sound Recorder

Features
Read full description

‘Random Sound Recorder’ serves as a satellite application to ‘Acaan Trainer’, ‘Stack Trainer’, ‘Twice as Hard Trainer’, ‘Serial Sum Trainer’, and ‘Random Input’ which represent the single most unified set of technical learning tools for close-up magicians. These apps are available by this developer. ‘Random Sound Recorder’ allows to record sound files in caf-format (Apple Core Audio Format, caf) according to the four suits, the ace, the three court cards and values from 2 to 9. Also all numbers can be recorded to allow for the 52 positions in a deck. The created caf-files serve as sound files for the above mentioned apps. Once recorded, the sound files can be moved to their final destination in the other apps' documents folder.

About

AcousticLab

Transform your iOS device into a professional noise measurement tool. Capture precise sound with stereo recording, calibration, and advanced analysis features. Ideal for accurate audio data collection and evaluation.

Highlights
  • Professional stereo recording
  • Precise sound acquisition and analysis
  • Input channel calibration
  • Automatic recording triggers
  • Prerecord function
  • Signal marking and playback
Features
Read full description

AcousticLab is a professional stereo recorder APP developed by ZKXY (a member of BSWA Group). This APP will turn your iOS device into a professional noise measurement device with precise sound acquisition and analysis. The measurement system will fulfill the requirement of IEC and ASTM standards when using an external stereo sound card and precision microphones. The input channels (microphones) can be calibrated with a standard calibrator to get the actual sound level of test signals, and the output channels also can be corrected according to the surrounding environment. - Support mono and stereo recording. - The input channels can be calibrated with standard sound level calibrators or manually input the calibration factor. - Support two kinds of setting to automatically trigger the recording. - Prerecord function ensures every important signal will be capture. - The key position of the signal can be easily marked and playback. - The volume of the two playback channels can be adjusted respectively. Monthly description of audio data package: -FFT analysis of audio data. File format modification (caf/wav). -Subscription cycle: 1 month (continuous monthly products) -Subscription price: $9.99 / month -Unsubscribe: manually open "Settings" of mobile phone, enter "app store", enter "account settings" page, click "subscribe" to unsubscribe manually -Privacy Policy: http://neyue.com.cn/newsshown_7.html -Terms and Conditions: http://neyue.com.cn/newsshown_6.html

Screenshots

Random Sound Recorder4 screens
AcousticLab3 screens

Verdict

The call

The clearest difference is in-app purchases: Random Sound Recorder at none against AcousticLab's 1. Random Sound Recorder also leads on iOS requirement (11.0 vs 15.6). 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. AcousticLab sells 1 in-app purchase, starting at $9.99 per month. Random Sound Recorder asks for nothing beyond the download.

UpkeepUpdate frequency

Random Sound Recorder ships an update every 9 months, AcousticLab every 7 months. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
Random Sound Recorder versus AcousticLab: the parameters behind the verdict, then further details
ParameterRandom Sound RecorderAcousticLab
PriceFreeFree
Rating—4.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 9 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size0 MB7 MB
Age rating4+4+
DeveloperRalph CosZKXY Technology Co., Ltd

In-app purchases

None

Random Sound Recorder

No in-app purchases

1 purchases

AcousticLab

Subscriptions1
  • Audio Analysis Set, 1 Month$9.991 Month

Questions

Is Random Sound Recorder free?
Random Sound Recorder is free to download, with no in-app purchases.
Is AcousticLab free?
AcousticLab is free to download, with in-app purchases available.
Do Random Sound Recorder or AcousticLab have ads?
Neither Random Sound Recorder nor AcousticLab shows ads.
Which is updated more often, Random Sound Recorder or AcousticLab?
Random Sound Recorder ships an update every 9 months, and AcousticLab every 7 months. Most recently, Random Sound Recorder was updated on October 26, 2026 and AcousticLab on October 10, 2026.

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