Comparison

Voice Record Pro vs AcousticLab

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

Head to head
About

Voice Record Pro

Record and edit audio with unlimited length and configurable quality. Supports multiple formats, cloud storage, and various export options. Offers playback speed control, volume boost, and editing tools like trimming and splitting.

Highlights
  • Unlimited recording length
  • Multiple audio formats (MP4, MP3, WAV)
  • Cloud storage integration
  • Playback speed control
  • Audio editing tools
  • Export to various services
  • Silence detection recording
Features
Read full description

Professional Voice Recorder for iPhone, iPad and iWatch! No limitation, Completely FREE! Voice Record Pro is a professional voice recorder. It allows you to record voice memos and on-site sounds at unlimited length with configurable quality. Voice Record Pro can record directly in MP4 (AAC), MP3 (MPEG) and WAV (PCM) formats plus convert function for all supported formats. None of the features are limited by in-app purchase, they are all free and without limitation. in-app purchase can be used to remove the bottom advertisement from the app. RECORDING: - Unlimited recording, the only limit is your device free space. - Record audio in M4A/AAC format, you can choose the exact quality of the record including bitrate, sample rate, bit depth, number of audio channels and encode quality. - Record audio in MP3 format, in addition to sample rate, bitrate, bit depth and number of channels you can also set to record MP# in VBR (Variable Bit Rate) or CBR (Constant Bit Rate). - Record audio in WAV/PCM format, sample rate, bit depth and number of channels can be configured. - All formats can be set to record audio in silence detection mode, which will only record audio if detected (record level is configurable) - Ability to enable/disable iOS Voice Processing and mix with background sounds. - Ability to record in stereo format on supported devices. - Apply effects while recording - Add bookmarks during record session PLAYBACK: - Change playback speed - Boost audio volume - Change playback volume and divert into connected devices (AirPlay) - Jump to previously defined bookmarks and add new ones - Read and edit notes - Swipe gestures to short and long jump forward and backward, amount of jump is configurable - Swipe gestures to previous and next track - Loop playback on single record or play multiple records in sequence STORAGE & EXPORT: - Export to and import from Google Drive™, DropBox, Microsoft® OneDrive (personal and business), Box Cloud, iCloud Drive, Amazon S3 - Export to SoundCloud and Custom FTP server - Post to Any Web base Script - Import from device Music Library - Sync records with other nearby devices running this app - Send to other devices via Bluetooth - Download directly to PC using built-in web server via local WiFi connection - Upload from PC using WiFi connection - WebDav support using WiFi service - Convert to a movie clip and export to Photo Albums - Post as a Movie Clip on YouTube - Export to other apps on your device that can handle the audio file - Import from other apps - Send Audio or Movie by email - Send Audio or Movie by SMS/iMessage MODIFICATION: - Add notes to records - Add photo to records - Add bookmarks to records - Simple trim and Advanced trim functions - Modify ID3v2 tags - Append a record to another record - Split audio files into separate files based on equal parts, file size or bookmarks - Join multiple audio records into one - Apply effects while recording - Apply effects to the recorded or imported file including: - Echo - Volume/Gain - Pitch & Speed - Reverb - Distortion - 3/6/10 Band Equalizer - Add reminder alarm for each record - Color tag audio files - Convert M4A to and from MP3 to and from WAV GENERAL: - Protect the app with a passcode - Create custom movie templates - Built-in WiFi http server - Custom categories for better organizing - Customized swipe to right gestures on each record - Multiple sort options and deep customization of track lists and much more. Enjoy.

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

Voice Record Pro4 screens
AcousticLab3 screens

Verdict

The call

The clearest difference is rating: Voice Record Pro at 4.7 against AcousticLab's 4.0. Voice Record Pro also leads on ratings volume (16K vs 1) and update cadence (every 2 months vs every 7 months). AcousticLab's advantage is ads (none vs shown) and review sentiment (100% vs 84%). On price, in-app purchases, monetization model 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. Voice Record Pro sells 1 one-off in-app purchase and AcousticLab sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Voice Record Pro holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Voice Record Pro has 16K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 84% of Voice Record Pro's written reviews are positive against 100% of AcousticLab's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Voice Record Pro ships an update every 2 months, AcousticLab every 7 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
Voice Record Pro versus AcousticLab: the parameters behind the verdict, then further details
ParameterVoice Record ProAcousticLab
PriceFreeFree
Rating4.7 (16K ratings) — better4.0 (1 ratings)
Positive reviews84.0% of reviews100.0% of reviews — better
Number of ratings16K — better1
Update frequencyEvery 2 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.615.6 — better
Further details — not scored
Size112 MB7 MB
Age rating4+4+
DeveloperDayana Networks LtdZKXY Technology Co., Ltd

Customer experience

Voice Record Pro

All ratings16,209 ratings
Positive94.1%
Neutral2.5%
Negative3.5%
Written reviews1,435 reviews
Positive84.0%
Neutral4.7%
Negative11.3%

AcousticLab

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Voice Record Pro

Reported bugs

3 issues
  • Pause/resume functionality causing recording loss
  • Inability to export files to certain cloud services
  • Recordings getting corrupted or truncated

Requested features

5 requests
  • Append/resume recording feature
  • Batch file export/transfer options
  • Improved noise reduction and audio processing
  • Voice-activated recording mode
  • Customizable app themes and UI

AcousticLab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Voice Record Pro

One-time1
  • No Advertisement$8.99
1 purchases

AcousticLab

Subscriptions1
  • Audio Analysis Set, 1 Month$9.991 Month

Questions

Is Voice Record Pro free?
Voice Record Pro is free to download, with in-app purchases available.
Is AcousticLab free?
AcousticLab is free to download, with in-app purchases available.
Which has better reviews, Voice Record Pro or AcousticLab?
Voice Record Pro is rated higher. Voice Record Pro averages 4.7 out of 5 from 16K ratings, while AcousticLab averages 4.0 from 1 ratings.
Do Voice Record Pro or AcousticLab have ads?
Voice Record Pro shows ads; AcousticLab does not.
Which is updated more often, Voice Record Pro or AcousticLab?
Voice Record Pro ships an update every 2 months, and AcousticLab every 7 months. Most recently, Voice Record Pro was updated on November 1, 2026 and AcousticLab on October 29, 2026.

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