Comparison

Contextionary App vs Readolution

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

Head to head
About

Contextionary App

Features
Read full description

A dictionary that explains what words really mean. Words don’t have just one definition. Their meaning changes depending on tone, situation, and context. Contextionary helps you understand these differences so you can use words naturally and confidently. With Contextionary, you can: • See how the same word takes on different meanings in different situations • Learn usage through short, clear examples instead of long explanations • Listen to words and examples to build natural understanding • Save and review words to deepen your vocabulary over time Designed for learners who care about nuance, clarity, and real-world language use. Privacy policy: https://app.termly.io/policy-viewer/policy.html?policyUUID=28d90f1b-f3be-4cdb-982c-d3dde5d74b67 Terms & Conditions: https://app.termly.io/policy-viewer/policy.html?policyUUID=e61d61e9-7cab-4a98-9ab6-6fe61a9fa320

About

Readolution

Enhance your vocabulary by reading real books and discovering new words in context. This app provides inline translations, rich definitions, and personalized learning exercises to help you master vocabulary effectively. It transforms reading into an intelligent system for serious language growth.

Highlights
  • Inline translations while reading
  • Rich definition pop-ups
  • Personalized vocabulary saving
  • Card-based learning exercises
  • Word frequency prioritization
  • Built-in translator
  • Lemma and word form recognition
Read full description

Reading is one of the most natural ways to grow a language, because every new word appears with emotion, context, rhythm, and repetition. Readolution turns that advantage into a complete vocabulary-building system: you read real books, discover words in context, understand them deeply, save the useful details, and review them later with learning exercises. It is built for learners who want vocabulary to grow from actual reading, not from isolated word lists. Read books and build vocabulary at the same time. Readolution transforms every page into a learning space where new words are discovered naturally, inside the story or text where they actually belong. • See inline translations while you read. Saved words can appear directly above the original text, helping you recognize vocabulary instantly without breaking the reading flow. • Open a rich definition pop-up for deeper understanding. Tap a word to see translations, pronunciation, word forms, parts of speech, definitions, synonyms, examples, and the sentence where the word appeared. • Choose what matters and save it. Translations, definitions, examples, synonyms, and context can become part of your personal dictionary, so each saved word carries real learning material with it. • Turn your dictionary into a learning system. Saved vocabulary is not just stored; it becomes material for card-based practice, with learning progress, favorites, folders, tags, and review-focused organization. • Learn smarter with word frequency. Readolution can prioritize common, high-value vocabulary first, helping you focus on words that bring the biggest improvement to everyday comprehension. • Use the translator beyond books. The built-in translator lets you explore words, phrases, and sentences outside the reader, then save useful results into the same vocabulary system. • Master forms, not just dictionary headwords. Readolution understands lemmas and word forms, so learning a word can also help you recognize its variations while reading. Keep everything connected. The reader, inline translation, definition pop-up, dictionary, translator, and learning exercises work together as one loop: read, understand, save, review, recognize, and remember. Designed for serious vocabulary growth. Readolution helps you move from passive recognition to active learning by turning real reading into a personal, intelligent vocabulary engine.

Screenshots

Contextionary App4 screens
Readolution4 screens

Verdict

The call

The clearest difference is in-app purchases: Readolution at none against Contextionary App's 2. On price, ads, device support and iOS requirement 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. Contextionary App sells 2 in-app purchases, starting at $4.99 per month. Readolution asks for nothing beyond the download.

Scorecard1 real difference · 8 level
Contextionary App versus Readolution: the parameters behind the verdict, then further details
ParameterContextionary AppReadolution
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 days—
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better16.6
Further details — not scored
Size34 MB65 MB
Age rating4+4+
DeveloperCDK CO.PARTNER LLCOKOSPACE Inc.

In-app purchases

2 purchases

Contextionary App

Subscriptions2
  • Monthly Unlimited Words$4.991 Month
  • Unlimited Words$19.991 Year
None

Readolution

No in-app purchases

Questions

Is Contextionary App free?
Contextionary App is free to download, with in-app purchases available.
Is Readolution free?
Readolution is free to download, with no in-app purchases.
Do Contextionary App or Readolution have ads?
Neither Contextionary App nor Readolution shows ads.

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