Random Sound Recorder vs AcousticLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Random Sound Recorder
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‘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.
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.
- Professional stereo recording
- Precise sound acquisition and analysis
- Input channel calibration
- Automatic recording triggers
- Prerecord function
- Signal marking and playback
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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
Verdict
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
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.
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.
| Parameter | Random Sound Recorder | AcousticLab |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 0 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Ralph Cos | ZKXY Technology Co., Ltd |
In-app purchases
Random Sound Recorder
No in-app purchases
AcousticLab
- Audio Analysis Set, 1 Month$9.991 Month
Questions
Is Random Sound Recorder free?
Is AcousticLab free?
Do Random Sound Recorder or AcousticLab have ads?
Which is updated more often, Random Sound Recorder or AcousticLab?
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