69
BU Score
Solid
Komi Reader - TXT & PDF
✍️ BU Analytics Review
“
Komi Reader - TXT & PDF is an iOS app from kim juyoung in the Food & Drink category, currently rated 4.8★ across 194 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 69 — Solid (established niche player). For a Food & Drink app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Early-stage install base (194 ratings)METRIC | +$400 |
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Nov 24
Dec 24
Feb 25
Mar 25
Jul 25
Sep 25
⭐ 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 →💾 171 MB🔞 4+📱 iOS 14.0+🔖 v1.392🔄 updated 1w ago🌐 EN, JA, KO📂 Food & Drink💰 Paid🚀 Launched 2018 (8y old)
📝 About this app
Text files and images contained in compressed files
Apps that all can see in one app
Also supports PDF
Put text and zipped files in your app
Apps that can be viewed in one app
See comics and novels in one app.
iPhone, iPad, Mac (Apple Silicon) support
* Some functions may not be supported on Mac
Previously integrated Komi Viewer and Text Viewer app.
You can also try using the Komi Viewer or Text Viewer in the App Store before purchasing the app.
** Characteristic **
- You can view the text file and the image included in the compressed file.
- zip, rar, 7z, cbz, cbr, cb7 compressed files are supported (png, jpeg, jpg, gif, bmp, tif, tiff extension images are included, webp format is supported from iOS14)
- PDF file
- TIF/TIFF file
- ePub file , only text in ePub to display the same (with the same function) as the existing txt file. (No media such as audio, no chapter function)
- both landscape and portrait
- iPad multitasking
- iPhone, iPad, Mac(Apple Silicon)
- Upload via PC web browser (WIFI)
- Import of files from iCloud, Dropbox, One Drive, Box, and other cloud apps (cbr, cbz, cb7 are not supported in the cloud service, please upload in other ways.)
- FTP/SFTP support (FTPS not supported)
- Upload files to iTunes file share
- Text font, color, left margin, background can be changed
- Show status bar
- App lock, file lock
- Image/PDF Night Mode: Invert Color / Image Brightness (1 ~ 3 steps)
- Screen off option: When set to ON, the screen automatically turns off at the time the device turns off.
- Last file view, On / Off in setting
- Bluetooth keyboard: Supports page switching and screen closing function, direction key (asdw) page switch, ESC key viewer screen close
- Pad text file viewer "Two-page view" support: left-right, right-left page orientation can also be selected, please adjust the page interval to "left and right margin" value.
- Text file autoscrolling: Text files can now be autoranged vertically (down).
Sets the total amount of time a page goes from 1 second (fast) to 30 seconds (slow)
Now you do not have to manually scroll the text file.
- Vertical scrolling added: Vertical scrolling can be dragged by the user. You can change it in the setting screen. The existing "vertical touch" does not work.
- Image next page Zoom-in keep-alive function: Apply the previous book's zoom-in status in the following book. Please change your settings.
- Next book auto-switching options: If you automatically change the next book switching option in Settings, tabs on the last page will automatically switch to the next book. (Default manual)
- Image / PDF Automatic page turnover and auto scroll: Automatically flips to the next page after a certain amount of time. If it is zoomed in, it will automatically scroll down. Speed settable (in-app purchase required)
- Text file underline function: 3 kinds of underline can be selected, and underlining transparency can be set on iOS 11 or higher
- A function that changes to the next page when the volume is changed. (The sound size will change as well. Please be careful. ON / OFF in setting.)
- Convert copied text to clipboard into txt file
- iCloud Sync : Synchronize the information (read location) of the read file and open the same file on another device (signed in with the same iCloud account) so that you can see it again. (The bookmark information in the text file is also synchronized.) (iOS 11+)
- Font file (ttf, otf) registration: After adding the file, you can register by clicking the file in the app. You can enable it in the "Font - Type" item of the setting.
- Blink: Recognizes eye blinks to switch pages (iPhone only, iOS 18+)
- Automatic Image Crop: Automatically crops the empty space on all four sides of images with a white background. (iOS 16+)
- Content Color: Changes and unifies the content (pictures or text) within the image to a single color
Please send bugs or suggestions to junhuloveapple@gmail.com at the top right of the setting screen.
Apps that all can see in one app
Also supports PDF
Put text and zipped files in your app
Apps that can be viewed in one app
See comics and novels in one app.
iPhone, iPad, Mac (Apple Silicon) support
* Some functions may not be supported on Mac
Previously integrated Komi Viewer and Text Viewer app.
You can also try using the Komi Viewer or Text Viewer in the App Store before purchasing the app.
** Characteristic **
- You can view the text file and the image included in the compressed file.
- zip, rar, 7z, cbz, cbr, cb7 compressed files are supported (png, jpeg, jpg, gif, bmp, tif, tiff extension images are included, webp format is supported from iOS14)
- PDF file
- TIF/TIFF file
- ePub file , only text in ePub to display the same (with the same function) as the existing txt file. (No media such as audio, no chapter function)
- both landscape and portrait
- iPad multitasking
- iPhone, iPad, Mac(Apple Silicon)
- Upload via PC web browser (WIFI)
- Import of files from iCloud, Dropbox, One Drive, Box, and other cloud apps (cbr, cbz, cb7 are not supported in the cloud service, please upload in other ways.)
- FTP/SFTP support (FTPS not supported)
- Upload files to iTunes file share
- Text font, color, left margin, background can be changed
- Show status bar
- App lock, file lock
- Image/PDF Night Mode: Invert Color / Image Brightness (1 ~ 3 steps)
- Screen off option: When set to ON, the screen automatically turns off at the time the device turns off.
- Last file view, On / Off in setting
- Bluetooth keyboard: Supports page switching and screen closing function, direction key (asdw) page switch, ESC key viewer screen close
- Pad text file viewer "Two-page view" support: left-right, right-left page orientation can also be selected, please adjust the page interval to "left and right margin" value.
- Text file autoscrolling: Text files can now be autoranged vertically (down).
Sets the total amount of time a page goes from 1 second (fast) to 30 seconds (slow)
Now you do not have to manually scroll the text file.
- Vertical scrolling added: Vertical scrolling can be dragged by the user. You can change it in the setting screen. The existing "vertical touch" does not work.
- Image next page Zoom-in keep-alive function: Apply the previous book's zoom-in status in the following book. Please change your settings.
- Next book auto-switching options: If you automatically change the next book switching option in Settings, tabs on the last page will automatically switch to the next book. (Default manual)
- Image / PDF Automatic page turnover and auto scroll: Automatically flips to the next page after a certain amount of time. If it is zoomed in, it will automatically scroll down. Speed settable (in-app purchase required)
- Text file underline function: 3 kinds of underline can be selected, and underlining transparency can be set on iOS 11 or higher
- A function that changes to the next page when the volume is changed. (The sound size will change as well. Please be careful. ON / OFF in setting.)
- Convert copied text to clipboard into txt file
- iCloud Sync : Synchronize the information (read location) of the read file and open the same file on another device (signed in with the same iCloud account) so that you can see it again. (The bookmark information in the text file is also synchronized.) (iOS 11+)
- Font file (ttf, otf) registration: After adding the file, you can register by clicking the file in the app. You can enable it in the "Font - Type" item of the setting.
- Blink: Recognizes eye blinks to switch pages (iPhone only, iOS 18+)
- Automatic Image Crop: Automatically crops the empty space on all four sides of images with a white background. (iOS 16+)
- Content Color: Changes and unifies the content (pictures or text) within the image to a single color
Please send bugs or suggestions to junhuloveapple@gmail.com at the top right of the setting screen.
🆕 What's New · v1.392
- Fixed an issue where the app crashed when attempting to extract a rar file placed in the app via the Apple device app.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Komi Reader - TXT & PDF
- Developer
- kim juyoung
- Bundle ID
- com.junhulove.KomisText
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- EN, JA, KO
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $11.7K/mo
- Top-grossing rank
- Outside top 100 in US Food & Drink
- 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
- https://apps.apple.com/us/app/letterloop-group-newsletters/id6468623700
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- https://apps.apple.com/us/iphone/story/id1701453284
📈Ratings growth194 ratings+19300% lifetimeShow 3-year history estimate ▾
Tracked (15 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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.
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