This is a free English listening study app for Japanese speakers, featuring synchronized dual-language subtitles and VOA news content on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Education
Sentiment
4.6
62 reviews
Nemesis
ABFlow - A-B repeat player
The App DNA
What makes this app unique?
Users hire this app for low-friction, daily English listening practice that fits into commute times, serving the need for exam-prep content without subscription costs.
For Japanese speakers studying for English proficiency exams like TOEIC, TOEFL, and Eiken, or those interested in business English.
What does it look like?
Key features
Japanese and English subtitles scroll in synchronization with audio playback
Curated English text and audio sourced from VOA Learning English
AI-based grading for English writing exercises within the app
How much does it cost?
Ad-supported model providing full content access without subscription gates, prioritizing user acquisition and volume.
Velocity
Maintenance developmentperformanceUX improvementsShow more...
The app exhibits a maintenance-level release cadence, with only 5 releases recorded over the past 18 months. Development is currently focused on technical stability, bug fixes, and minor content adjustments rather than new feature expansion. The latest release addressed a rare application crash, following a pattern of infrequent, reactive updates. There is no evidence of live-ops or seasonal content, indicating a stable but low-velocity development lifecycle.
Who built it?
StudySwitch
13+ apps tracked · Education
古文・漢文（古文単語、古典文法、漢文）
中学社会 地理・歴史・公民
小学生手書き計算ドリル - はんぷく学習シリーズ
中学生漢字 手書き＆読み方 勉強アプリ
ことわざクイズ - はんぷく一般常識
国語辞典・英和辞典・和英辞典 一発表示辞書アプリ
Japanese Kanji Lookup PLUS
小学生国語ドリル - 小学校の勉強・中学受験対策アプリ
英検®準1級予想問題ドリル
英検®トレーニング - リスニング・二次試験にも対応
日本史一問一答（解説付き）
高校 化学 一問一答＆演習問題 - 高校生の勉強アプリUser Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate free access to all content.
How are ratings & reviews evolving?
What users say, by theme
- Free access to all content
- Lack of offline accessibility
Competition
Competitive landscape for 英会話や英単語を聞き流し - 英語リスニング
How's the Education market?
The app maintains a 4.61 rating on iOS, but the lack of Android ratings suggests a significant discovery gap on the Play Store. This disparity indicates the current growth strategy is heavily skewed toward iOS, leaving the Android market share open to competitors.
Read the market outlookThe rivals identified
By Tatsuya Tobioka
ABFlow directly competes by offering specialized A-B repeat playback, a core utility feature that targets the same language learners seeking to master listening through repetitive audio drills.
- Open source architecture allows for community-driven feature development that our closed-source model cannot easily replicate
- Dedicated noise filtering technology provides a superior listening experience in environments with high background interference
- Focuses exclusively on the playback engine, whereas our app bundles content with the playback utility
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for 英会話や英単語を聞き流し - 英語リスニング
Where is it heading?
The language-learning market is shifting toward active, AI-assisted interaction, which puts static listening apps at a disadvantage. Unless this app introduces gamified retention loops or offline functionality, it will likely lose its casual user base to more interactive, offline-capable competitors.
- The lack of Android ratings suggests a broken acquisition funnel, which limits the app's total addressable market compared to iOS-only growth.
- The recent September 2025 update cadence shows active maintenance, which prevents the app from falling into total obsolescence against newer AI-driven rivals.
The SWOT
- Public-domain VOA content library reduces ongoing content licensing costs
- AI-based writing assessment provides a differentiator against pure-listening rivals
- Gamified progress tracking could increase daily active usage
- Offline-first mode would capture the commuter segment currently lost to competitors
Next best moves
Ship offline-first content caching because user reviews flag connectivity as a top friction point → increase daily active usage
+ 1 more prioritized moveThe counter-intuitive read
The app's reliance on free, ad-supported VOA content is a hidden moat…
Read the full takeFeature gaps
Offline-first course access (available in Learn Persian/Hindi but missing here) +2
Since the last report: The app's competitive position has shifted toward addressing technical friction, specifically offline accessibility and Android discovery, while sentiment has cooled due to connectivity complaints.
Bottom line
The app provides high-value, free content for exam preparation, but the lack of offline support and gamified retention loops leaves it exposed to AI-driven rivals, so the PM should prioritize offline caching to secure the commuter segment.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is this app suitable for TOEIC or TOEFL preparation?
How does this app compare to ABFlow?
Can I use this app without an internet connection?
What are some free alternatives for language listening?
Report last updated