Comparison

Komi Reader vs TTReader

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

Head to head
About

Komi Reader

This app allows you to read text files, comics, and PDFs all in one place. It supports various compressed file formats and offers extensive customization options for text and image viewing. Easily import files from cloud services or your PC.

Highlights
  • View text, images, and PDFs
  • Supports zip, rar, 7z, cbz, cbr, cb7 files
  • Import from cloud services and PC
  • Customizable text and image display
  • Night mode for images/PDFs
  • Auto-scrolling and page turning
  • App and file locking
Features
Read full description

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, webp, jxl, heif extension images are included) - Support for locked files (zip, rar, 7z, pdf) - 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.

About

TTReader

This application allows you to read text from various document formats, including images, EPUB, and PDF. It offers advanced text-to-speech (TTS) features with customizable speed and line reading, along with OCR capabilities to extract text from images. Enhance your reading experience with extensive UI customization and cloud integration.

Highlights
  • Text-to-Speech (TTS) with adjustable speed
  • OCR for image and document text extraction
  • Convert EPUB and PDF to text
  • Customizable UI themes and fonts
  • Cloud app integration for file access
  • Bookmark and history functions
Features
Read full description

This is a text viewer application optimized for TTS. It can be used on various mobile devices and can be viewed continuously between devices. It has a built-in function to convert image, epub, and PDF document files to text documents. Support tts filter function. You can change or remove special characters and unwanted content. Filters that are generally used are supported by default. Supports detailed TTS settings. The TTS speed is supported up to 5 times, and it can be set to read 1 to 10 lines instead of reading one line at a time. You can synchronize the reading position on various devices through drive linkage. Supported features: TTS related - Play background TTS - TTS filter function (provides dozens of basic filters for general users to use easily) - TTS section repeat function - TTS timer function - Ability to read multiple lines at once - TTS stop function during phone call - Ability to scroll through TTS while playing and view the contents in front and back. text - Text editing - Text batch editing - Ability to combine multiple text files into one. - Newline cleanup function for files with strange newlines - OCR (Image Text Extraction) - Real-time OCR (extract text in real time using camera) - Dozens of batch editing patterns provided for easy batch editing after OCR processing. - Extract EPUB text - Extract PDF text - Convert to EPUB image - Convert to PDF image UI function - Light, dark, black theme support - 108 Korean free fonts - 799 foreign free fonts - 65 background images - Scroll speed function (reduce finger fatigue by scrolling a lot even if you scroll a little) - Multiple setting functions such as font size, color, and spacing - Highlight, bookmark display color setting function. - Margin setting function - screen orientation setting function - Two-page view function (pad) special function - Bookmark function - Location backup/recovery function. - Settings, history, filter backup recovery function. - File upload/download function. - Touch area setting function - External device (pen, Bluetooth controller) button setting function - History interlocking function (even if the file name is different, you can continue viewing the file you have been viewing) - Memo function - You can add files by linking with several cloud apps. * standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ * privacy policy https://raw.githubusercontent.com/khjde1207/opentextviewdatas/refs/heads/main/playstore/PrivacyStatement_IOS_en.html

Screenshots

Komi Reader4 screens
TTReader4 screens

Verdict

The call

The clearest difference is price: TTReader at Free against Komi Reader's $3.99. Komi Reader's advantage is ads (none vs shown) and ratings volume (194 vs 10). On rating, review sentiment, in-app purchases and monetization model 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

TTReader is free to download; Komi Reader costs $3.99 up front. Komi Reader sells 4 one-off in-app purchases and TTReader sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Komi Reader against 4.8 for TTReader. That said, the two scores are not equally well evidenced: Komi Reader has 194 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 94% of Komi Reader's written reviews are positive against 100% of TTReader's.

UpkeepUpdate frequency

Komi Reader ships an update weekly, TTReader every 3 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Komi Reader versus TTReader: the parameters behind the verdict, then further details
ParameterKomi ReaderTTReader
Price$3.99Free — better
Rating4.8 (194 ratings)4.8 (10 ratings)
Positive reviews94.0% of reviews100.0% of reviews — better
Number of ratings194 — better10
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size175 MB197 MB
Age rating4+4+
Developerkim juyoungHYEONJOON HONG

Customer experience

Komi Reader

All ratings194 ratings
Positive96.4%
Neutral1.0%
Negative2.6%
Written reviews84 reviews
Positive94.0%
Neutral1.2%
Negative4.8%

TTReader

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Komi Reader

One-time4
  • Sponsor 1$0.99
  • Sponsor 2$1.99
  • Sponsor 3$3.99
Show 1 more
  • Sponsor 4$7.99
1 purchases

TTReader

Subscriptions1
  • Remove Ads - 1 Month$1.991 Month

Questions

Is Komi Reader free?
Komi Reader costs $3.99, and also offers in-app purchases.
Is TTReader free?
TTReader is free to download, with in-app purchases available.
Which has better reviews, Komi Reader or TTReader?
Komi Reader and TTReader are both rated 4.8 out of 5 on the App Store, from 194 and 10 ratings respectively.
Do Komi Reader or TTReader have ads?
TTReader shows ads; Komi Reader does not.
Which is updated more often, Komi Reader or TTReader?
Komi Reader ships an update weekly, and TTReader every 3 weeks. Most recently, Komi Reader was updated on September 23, 2026 and TTReader on September 24, 2026.

Other comparisons