67
BU Score
Solid
PCM Recorder
✍️ BU Analytics Review
“
PCM Recorder is an Android app from Kohei YASUI in the Productivity category, currently rated 4.1★ across 11,545 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 67 — Solid (established niche player). For a Productivity app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (11,545 ratings)METRIC | +$5,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| Good rating (4.1★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v6.4.0🔄 updated 9mo ago📂 Productivity💰 Free📺 Ad-supported🚀 Launched 2011 (15y old)
📝 About this app
This is a simple voice recorder.
For recording, you can select the linear PCM (WAV) format for lossless compression or the AAC format for lossy compression.
Also supports long-time recording in the background.
The sampling rate can be changed to 8k, 16k, 44.1k, 48kHz.
* Call recording is not supported.
Record:
- Recording in high-quality linear PCM (WAV) format
- Recording in highly compressed AAC (M4A) format
- Recording in the background
- Change of sampling rate (8k, 16k, 44.1k, 48kHz)
- Unlimited recording time (up to 2GB)
- Bitrate change (64-192kbps, AAC format only)
- Change microphone gain
- Change monaural or stereo
Playback:
- Playback in the background
- Rename file
- Sort files
- Repeat playback (one song, whole)
- Change of playback speed (0.5x, 0.75x, 1.25x, 1.5x, 2.0x)
- Playback ± 10 seconds, ± 60 seconds
- File sharing
Permission:
- record audio
- wake lock (to background recording)
- write to external storage (to store recordings)
- internet access (only for ads)
- access network state (only for ads）
- read phone state(to record properly when the call comes in)
For recording, you can select the linear PCM (WAV) format for lossless compression or the AAC format for lossy compression.
Also supports long-time recording in the background.
The sampling rate can be changed to 8k, 16k, 44.1k, 48kHz.
* Call recording is not supported.
Record:
- Recording in high-quality linear PCM (WAV) format
- Recording in highly compressed AAC (M4A) format
- Recording in the background
- Change of sampling rate (8k, 16k, 44.1k, 48kHz)
- Unlimited recording time (up to 2GB)
- Bitrate change (64-192kbps, AAC format only)
- Change microphone gain
- Change monaural or stereo
Playback:
- Playback in the background
- Rename file
- Sort files
- Repeat playback (one song, whole)
- Change of playback speed (0.5x, 0.75x, 1.25x, 1.5x, 2.0x)
- Playback ± 10 seconds, ± 60 seconds
- File sharing
Permission:
- record audio
- wake lock (to background recording)
- write to external storage (to store recordings)
- internet access (only for ads)
- access network state (only for ads）
- read phone state(to record properly when the call comes in)
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- PCM Recorder
- Developer
- Kohei YASUI
- Bundle ID
- com.kohei.android.pcmrecorder
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.ko-yasui.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.1K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth11,545 ratings+14% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
