Comparison

TTReader vs 북보이스

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

Head to head
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

About

북보이스

Features
Read full description

당신의 텍스트, 이제 생생한 목소리로 만나보세요 "읽지 말고 들으세요" 10종의 프리미엄 AI 성우(Pro) 다양한 소스 지원 (.txt, EPUB) Warm Paper 디자인 100% 온디바이스 처리 백그라운드 재생 CarPlay & 잠금화면 제어 [권한 안내] bookVoice는 더 나은 사용 경험을 위해 아래 권한을 선택적으로 요청할 수 있습니다. - 알림: 책 분석 완료 알림, 이어듣기 리마인더 제공 - 파일 접근: 사용자가 직접 선택한 TXT/PDF/EPUB 파일만 불러오기 모든 권한은 선택 사항이며, 거부해도 기본 듣기 기능은 사용할 수 있습니다. 텍스트 분석과 음성 합성은 기기 내에서 처리됩니다. 이용약관 (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TTReader4 screens
북보이스4 screens

Verdict

The call

The clearest difference is in-app purchases: 북보이스 at none against TTReader's 1. 북보이스 also leads on ads (none vs shown). TTReader's advantage is iOS requirement (15.5 vs 26.0). On price, update cadence 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. TTReader sells 1 in-app purchase, starting at $1.99 per month. 북보이스 asks for nothing beyond the download.

UpkeepUpdate frequency

TTReader ships an update every 3 weeks, 북보이스 fortnightly. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
TTReader versus 북보이스: the parameters behind the verdict, then further details
ParameterTTReader북보이스
PriceFreeFree
Rating4.8 (10 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better26.0
Further details — not scored
Size197 MB46 MB
Age rating4+4+
DeveloperHYEONJOON HONGBongjin Lee

In-app purchases

1 purchases

TTReader

Subscriptions1
  • Remove Ads - 1 Month$1.991 Month
None

북보이스

No in-app purchases

Questions

Is TTReader free?
TTReader is free to download, with in-app purchases available.
Is 북보이스 free?
북보이스 is free to download, with no in-app purchases.
Do TTReader or 북보이스 have ads?
TTReader shows ads; 북보이스 does not.
Which is updated more often, TTReader or 북보이스?
TTReader ships an update every 3 weeks, and 북보이스 fortnightly. Most recently, TTReader was updated on September 24, 2026 and 북보이스 on September 14, 2026.

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