Comparison

Vocalibrary vs Simple TTS

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

Head to head
About

Vocalibrary

This app helps you build vocabulary by creating personalized word lists from your reading material. It generates flashcards from frequently encountered words and allows you to study them in context with multiple dictionary definitions. You can also export your word lists for use with other learning tools.

Highlights
  • Create word lists from reading content
  • Generate flashcards from frequent words
  • Study words in context with sentences
  • Multiple dictionary integrations
  • Export word lists
  • In-app browser for word lookup
Features
Read full description

Insert what you read. > Vocalibrary creates WORD LISTS for each title Select the words you know > Vocalibrary hides known words to help you find the new words Enter FLASHCARDS > Vocalibrary creates flashcards from the most repeated words in your library Study with flashcards > See the SENTENCES from your library and see definitions with multiple DICTIONARIES === As you REGULARLY UPDATE YOUR LIBRARY with new content like the web pages you visited or the books you read, FLASHCARDS will be in the areas you interested in.   Have a personalized LIST OF ALL WORDS in your archive and all the words you know. Study new ones with several dictionaries and learn them with the sentences from your archive. Vocalibrary doesn't include an e-reader. You can continue using your favourite e-reader for the best reading experience when using Vocalibrary for SPOILER-FREE vocabulary building. You can even export the word lists to study with other apps. === Reading is not Learning: When you are reading, you skip over words that seem familiar to you, even if you don’t know their precise meanings. Best learners keep notes. • VOCALIBRARY LISTS the WORDS, NAMES and PLACES in seconds. • SORTS them BY FREQUENCY in your contents. Have an Up-To-Date Word List of Your Own: Just check words you know for once and they will be hidden for all contents at the same time and stay hidden later on. You can focus on what you need to learn. See Your Word in All Sentences in All of Your Uploaded Content: When you see a word in the context you choose, you can make connections and grasp them fully and remember naturally. Get notifications for the words in your favourite list. Customize the search page list for your favourite dictionary, visual search, thesaurus, encyclopedia, corpus etc. Use them together. Browse Without Entering Words Again and Again: The in-app browser enables you to search the words in your word list just by dragging them and easily switch within your search page list. We’re keeping a large list of search pages for you to choose. If your favourite page is not listed, you can always add your own. If you cannot add your favourite page, we welcome you to get in touch with us and ask for adding it to our list. What Happens in the Device, Stays in the Device: We care about your privacy and we do not log any content you uploaded. Please, check our privacy policy for details. Don’t Be Limited to Same Word Lists Everywhere : Add the content including the words you want to learn about your interests, specialities, hobbies, people, news topics, even fantastic universes etc. If you’re multilingual, you can add content with multiple languages. For ENGLISH, FRENCH, ITALIAN, GERMAN, SPANISH, PORTUGUESE, RUSSIAN and TURKISH Vocalibrary lists dictionary forms for you. (E.g. “go” for “go, went, gone”) In OTHER LANGUAGES, words are listed as they are. The Best Tools Set You Free. Here Are Some Ideas: • QUICKLY SELECT THE WORDS you know by adding any content you wrote or you're pretty sure that you knew every word in it. Use SELECT ALL button, review and remove checks for the new words. • To learn about A SPECIFIC TOPIC, use sharing from Safari, News or any other app and automatically have a LIST OF NOTIONS. • Applying for a NEW JOB, add related DOCUMENTS or use Safari sharing for COMPANY’S WEB PAGES and learn the names of key people and TERMINOLOGY. • Add subtitles for the TV SHOWS and LEARN the words SPOILER-FREE before watching. • MOVING TO A NEW PLACE, add local blogs and books and get familiar with EVERYTHING LOCAL. • Add the LYRICS of your favourite music, there is no better way of learning new​ words than singing songs you love. • Don't mark a word if you don't know what it exactly means or its synonyms. TAKE YOUR TIME TO LEARN. Currently Supported Formats: • eBooks: EPUB • Documents: TXT, CSV, PDF, DOC, DOCX • Subtitles: SRT format • Sharing: SAFARI, NEWS, NOTES etc. • PASTE text

About

Simple TTS

Convert text into natural-sounding speech with a variety of voices and languages. Customize speech settings and export audio files for various uses, from study aids to content creation.

Highlights
  • Natural sounding voices
  • Versatile text input
  • Multilingual support
  • Customizable speech rate, pitch, and volume
  • Export audio files
  • Play/Stop/Pause voice control
Features
Read full description

Transform Your Words into Powerful Speech Key Features: Natural Sounding Voices: Choose from a wide selection of lifelike voices that sound just like a real person. Versatile Text Input: Copy and paste text, upload documents, or type directly in the app - SimpleTTS can handle it all. Multilingual Support: SimpleTTS speaks your language! We support a wide range of languages and accents. Customization: Adjust the speech rate, pitch, and volume to perfectly match your preferences. Export Options: Save your TTS creations as audio files, perfect for podcasts, presentations, or simply listening on the go. # Features * Play/Stop/Pause Voice * Voice Control * Unlimited Notes * Search Notes Content * Export/Import Notes * Speak Selected Text * Theme Mode Who Can Benefit from SimpleTTS:- Students: Turn textbooks into audiobooks for easier studying. Writers: Hear your stories, articles, and content come to life. Business Professionals: Make your presentations stand out with professional narration. Content Creators: Give your videos and podcasts a unique voice. Accessibility: Ensure your content is accessible to everyone, regardless of their reading ability.

Screenshots

Vocalibrary4 screens
Simple TTS1 screens

Verdict

The call

The clearest difference is rating: Vocalibrary at 4.7 against Simple TTS's 3.5. Vocalibrary also leads on monetization model (free vs paid) and update cadence (every 3 weeks vs every 2 months). On price, review sentiment, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Vocalibrary holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

UpkeepUpdate frequency

Vocalibrary ships an update every 3 weeks, Simple TTS every 2 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Vocalibrary versus Simple TTS: the parameters behind the verdict, then further details
ParameterVocalibrarySimple TTS
PriceFreeFree
Rating4.7 (3 ratings) — better3.5 (4 ratings)
Positive reviews50.0% of reviews50.0% of reviews
Number of ratings34 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS11.0 — better16.6
Further details — not scored
Size12 MB23 MB
Age rating17+4+
DeveloperDever Consultancy LtdMew Sang Lim

Customer experience

Vocalibrary

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Simple TTS

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews10 reviews
Positive50.0%
Neutral10.0%
Negative40.0%

In-app purchases

None

Vocalibrary

No in-app purchases

None

Simple TTS

No in-app purchases

Questions

Is Vocalibrary free?
Vocalibrary is free to download, with no in-app purchases.
Is Simple TTS free?
Simple TTS is free to download, with no in-app purchases.
Which has better reviews, Vocalibrary or Simple TTS?
Vocalibrary is rated higher. Vocalibrary averages 4.7 out of 5 from 3 ratings, while Simple TTS averages 3.5 from 4 ratings.
Do Vocalibrary or Simple TTS have ads?
Neither Vocalibrary nor Simple TTS shows ads.
Which is updated more often, Vocalibrary or Simple TTS?
Vocalibrary ships an update every 3 weeks, and Simple TTS every 2 months. Most recently, Vocalibrary was updated on October 7, 2026 and Simple TTS on October 6, 2026.

Other comparisons