Comparison

Readolution vs 无痛日语

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

Head to head
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.

About

无痛日语

This app revolutionizes Japanese language learning with AI-powered memory algorithms and an engaging, short-video-like interface. It offers AI grammar parsing, instant dictionary lookups, and JLPT exam preparation tools. Track your progress with detailed statistics and master Japanese effortlessly.

Highlights
  • AI-driven memory algorithm (FSRS5)
  • Short-video-style word learning interface
  • One-click AI grammar parsing
  • Integrated AI dictionary lookup
  • JLPT exam preparation with real examples
  • Detailed learning progress statistics
  • Hands-free listening mode
Features
Read full description

厌倦了枯燥的背单词和复杂的语法书? 无痛日语为你带来全新学习体验。无痛日语结合创新学习交互、AI 与 FSRS5 前沿记忆算法,让日语学习变得像刷短视频一样轻松上瘾,从此告别死记硬背。 ◉ 创新交互,沉浸式刷词 告别传统的列表和卡片点击,采用类短视频 App 的上下滑动交互。每一次滑动都充满新鲜感,系统会根据你的停留时长智能判断单词的熟悉程度,让背词过程更流畅、更专注。 ◉ AI 驱动,深度理解与记忆 AI 语法解析功能让每一个例句的语法结构都能一键解析,复杂句式一目了然,真正实现学一句懂一句。 内置 AI 智能检索,遇到不懂的单词无需切换 App,即可获得精准释义、用法和例句。基于先进的 FSRS5 记忆算法,为你动态计算最佳复习间隔,将有限的精力投入到最需要巩固的知识点上,较传统艾宾浩斯算法效率倍增。 ◉ 备考利器,直击考点 内置 JLPT 历年真题例句,让你在真实的语境中学习,备考更有针对性。 随身听模式让你充分利用通勤、跑步等碎片化时间,让日语听进耳朵,培养语感。五十音图快速入门模块帮助零基础用户打下坚实基础。 ◉ 数据驱动,见证成长 提供详细的学习数据统计图表。记忆曲线、学习时长、词汇量增长、复习预测等一目了然。你的每一次进步,都清晰可见。 无论是零基础入门,还是备战 JLPT N1-N5,无痛日语都有适合你的路径。告别枯燥的死记硬背,轻松掌握日语。 ◉ 联系我们 邮 件:support@painlesswords.com 公众号:无痛单词 隐私政策:https://cn.painlesswords.com/privacy-policy.html 使用条款:https://cn.painlesswords.com/terms-and-conditions.html

Screenshots

Readolution4 screens
无痛日语4 screens

Verdict

The call

The clearest difference is in-app purchases: Readolution at none against 无痛日语's 4. 无痛日语's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price 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. 无痛日语 sells 4 in-app purchases, starting at $9.99 per month. Readolution asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Readolution versus 无痛日语: the parameters behind the verdict, then further details
ParameterReadolution无痛日语
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings1 — better—
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size65 MB218 MB
Age rating4+12+
DeveloperOKOSPACE Inc.Hangzhou Xiangzi Technology Co. Ltd.

Customer experience

Readolution

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

无痛日语

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Readolution

No in-app purchases

4 purchases

无痛日语

Subscriptions2
  • Monthly$9.991 Month
  • Yearly7 Days trial$29.991 Year
One-time2
  • Lifetime$49.99
  • Lifetime$69.99

Questions

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

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