Comparison

PDF Book Read vs IPA Reader

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

Head to head
About

PDF Book Read

Features
Read full description

Reading documents in a foreign language doesn't have to be hard. VocabPDF is the ultimate PDF reader designed specifically for language learners, students, and professionals. Stop switching between your document and a dictionary app. With VocabPDF, you can read any PDF, tap on unknown words to translate them instantly, and save them to your personal vocabulary list with a single tap. KEY FEATURES: โ€ข Smart PDF Reader: Smooth, fast, and optimized for reading text-heavy documents. โ€ข One-Tap Translation: Instantly translate words to your device's native language. โ€ข Highlight & Save: Mark important words with beautiful neon colors and save them with their context sentences. โ€ข Spaced Repetition System (SRS): Review your saved words effectively and move them to your long-term memory. โ€ข Text-to-Speech: Listen to the correct pronunciation of any word. VOCABPDF PREMIUM: Upgrade to Premium to unlock the full potential of your learning! โ€ข Unlimited Word Saves: Break the 50-word limit and build an endless vocabulary library. โ€ข Unlimited SRS Reviews: Master as many words as you want, anytime. Whether you are studying for exams like TOEIC, TOEFL, or IELTS, reading academic papers, or just enjoying a foreign book, VocabPDF is your perfect reading companion. Download now and start building your vocabulary today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

IPA Reader

Features
Read full description

IPA Reader adds IPA phonetic transcription to English PDFs and web pages. Tap any word to hear how it sounds and see what it means, without leaving the page. Reading in English gets slow when you are unsure how a word sounds, and stopping to look it up breaks your concentration. IPA Reader keeps the phonetics, the meaning and the audio in the same place as the text. READ - BROWSER, PDF AND READER MODE - Built-in browser with Bing or Google search, plus a PDF reader, both with automatic IPA annotation - Every line of a PDF is annotated, including tightly spaced body text - Open PDFs from Files, Mail or any other app through Share and "Open in" - In-document search, outline navigation, go to page, and PDF display themes - Reader mode strips the clutter, with adjustable fonts, spacing and themes - American and British IPA, switchable with one tap - A common-word filter hides annotation on words you already know, in browsing, reader mode and PDF UNDERSTAND - WORD LOOKUP AND TRANSLATION - Tap a word once for its pronunciation and its dictionary definition together - Definitions in Chinese, Japanese, Korean, Vietnamese and English - Translate a whole article on the web, or the current page of a PDF - Long-press a sentence to play it, copy it, collect it or attach a note LISTEN - TEXT TO SPEECH - Sentence-by-sentence playback with the current sentence highlighted - Speed from 0.4x to 2.0x, for every level - Voices filtered to your accent preference, with previews before you choose - Auto mode selects the highest quality voice installed on the device PRACTICE - SHADOWING AND REVIEW - Record yourself reading a sentence and get a pronunciation score - Flashcards for saved vocabulary and saved sentences, in separate modes - Spaced repetition schedules each item for the day you are about to forget it TRACK - GOALS AND STREAKS - Daily goals, learning streaks and reading time - XP, levels, quests and achievements - Progress insights across everything you read and practise ORGANIZE - COLLECTION, NOTES AND BOOKMARKS - Save words and sentences, and attach colour-coded notes - Bookmarks, browsing history and an archive organised by source PRIVACY AND LANGUAGES - Everything is stored on your device. No account and no registration. - The interface is available in 51 languages FREE AND PRO Free every day: 2 article translations, 15 word lookups and 5 saved items. One tap on a word costs at most one lookup, replaying audio from the definition panel costs nothing, and sentence playback is always free. Pro removes the daily limits. Useful for academic papers, textbooks, news, novels and exam preparation - TOEFL, IELTS, Cambridge and GRE. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Book Read4 screens
IPA Reader4 screens

Verdict

The call

The clearest difference is iOS requirement: IPA Reader at 15.6 against PDF Book Read's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. PDF Book Read sells 2 in-app purchases, starting at $1.99 per year and IPA Reader sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Book Read ships an update every 2 weeks, IPA Reader every 3 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard1 real difference ยท 5 level
PDF Book Read versus IPA Reader: the parameters behind the verdict, then further details
ParameterPDF Book ReadIPA Reader
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS26.215.6 โ€” better
Further details โ€” not scored
Size9 MB134 MB
Age rating4+17+
DeveloperYuya Takamoto็ฒค็  ่ข

In-app purchases

2 purchases

PDF Book Read

Subscriptions1
  • Annual Premium$1.991 Year
One-time1
  • Lifetime Premium$2.99
2 purchases

IPA Reader

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Annual$12.991 Year

Questions

Is PDF Book Read free?
PDF Book Read is free to download, with in-app purchases available.
Is IPA Reader free?
IPA Reader is free to download, with in-app purchases available.
Do PDF Book Read or IPA Reader have ads?
Neither PDF Book Read nor IPA Reader shows ads.
Which is updated more often, PDF Book Read or IPA Reader?
PDF Book Read ships an update every 2 weeks, and IPA Reader every 3 weeks. Most recently, PDF Book Read was updated on October 2, 2026 and IPA Reader on October 1, 2026.

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