ターゲットの友 英単語アプリで大学受験・TOEIC®対策!

ターゲットの友 英単語アプリで大学受験・TOEIC®対策!

By Obunsha Co.

ターゲットの友 is an education app for Japanese students that digitizes Obunsha's vocabulary textbooks into gamified study sessions and audio-based drills.

The App DNA

What makes this app unique?

It removes the friction of carrying physical books by providing mobile access to audio and testing, serving students who need to study in spare time.

For Japanese high school students, university entrance exam candidates, and TOEIC test takers.

What does it look like?

Key features

National Target Championshipedge

Gamified vocabulary testing across leagues with monthly rankings.

Weak Training Modeedge

Premium-tier practice focusing on incorrect words.

Audio Playback Controlsstandard

Adjustable speed and interval settings for vocabulary review.

How much does it cost?

freemiumFree tier with core audio and testingPremium tier via in-app purchases

The one-time purchase model for granular content units is highly favored by students over recurring subscription fees.

Velocity

Maintenance developmentperformanceplatform expansionShow more...

The app maintains a maintenance-level cadence, with only one release recorded in the analyzed window. The latest version focuses on minor polish and updating the minimum supported Android OS version to 9. There is no evidence of new feature development or live operations, indicating a stable, low-frequency update cycle. Development remains focused on technical upkeep rather than functional expansion.

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Who built it?

Obunsha Co.

6 apps tracked · Education

英語の友 旺文社リスニングアプリ英語の友 旺文社リスニングアプリ学びの友 旺文社 公式学習アプリ学びの友 旺文社 公式学習アプリ高校定期テスト得点アップ一問一答アプリ高校定期テスト得点アップ一問一答アプリターゲットの友 英単語アプリターゲットの友 英単語アプリ旺文社辞典アプリ旺文社辞典アプリ
Explore the full publisher profile

User Sentiment

What do users think recently?

Recent user voice shows an excited sentiment. Users appreciate the combination of physical textbook structure and digital app convenience creates a highly effective learning experience and one-time purchase model with granular content units provides a fair and transparent monetization structure for students.

How are ratings & reviews evolving?

Google Play
5.00 · 12k

What users say, by theme

What Users Love
  • The combination of physical textbook structure and digital app convenience creates a highly effective learning experience
  • One-time purchase model with granular content units provides a fair and transparent monetization structure for students
  • The specialized listening mode allows users to customize audio playback for effective vocabulary review and retention
What Frustrates Users
  • Audio playback fails to pause or resume correctly when interrupted by phone calls or headphone usage
+ 2 more themes
What Users Want 2 requests inside

24 of 24 recent reviews analyzed · moderate confidence · Excited overall

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Unlock 2 more frustration themes and 2 user requests, each backed by review evidence.

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Competition

Competitive landscape for ターゲットの友 英単語アプリで大学受験・TOEIC®対策!

How's the Education market?

ターゲットの友 holds the #28 Grossing and #31 Top Free positions in the Education category (JP). The grossing rank indicates strong monetization of the textbook-aligned content units.

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The rivals identified

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The Analyst's Read

Key takeaways for ターゲットの友 英単語アプリで大学受験・TOEIC®対策!

Where is it heading?

The Japanese education app market is increasingly favoring digital-first, high-frequency update models. ターゲットの友 remains in a maintenance phase, which exposes it to churn as users encounter unresolved technical friction in the latest version.

  • The maintenance-only release cadence suggests a lack of active investment, which risks eroding the lead against more agile competitors.
  • Unaddressed technical bugs regarding audio and input latency directly impede the daily study habit, threatening long-term retention.

The SWOT

Core Strengths
  • Obunsha textbook integration creates high switching costs
  • Gamified national ranking system sustains daily engagement
Critical Frictions 3 weaknesses inside
Growth Levers
  • Adding phonetic symbols addresses top user request
  • Localized version for non-Japanese speakers expands reach
Market Threats 2 threats identified

Next best moves

1 Invest · 1 Pivot

Rebuild audio playback logic to handle system interruptions because audio continues during calls → improve retention

+ 1 more prioritized move

The counter-intuitive read

The app's reliance on physical textbook editions is its primary growth constraint…

Read the full take

Since the last report: The app remains in a maintenance phase with no new features or performance improvements. The outlook has shifted from stable to mixed due to the continued presence of technical bugs that threaten long-term retention.

Bottom line

The current maintenance-mode cadence leaves the app vulnerable to technical friction. Addressing the audio and input latency bugs would stabilize the core study habit, which is the primary driver of the app's current ranking position.

Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.

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FAQ

Is ターゲットの友 suitable for TOEIC preparation?
Yes, the app supports the "TOEIC L&R Test English Vocabulary Target 1100" book, making it a relevant tool for TOEIC test takers.
Does ターゲットの友 require a subscription?
No, the app uses a one-time purchase model for granular content units rather than a recurring monthly subscription fee.
Does ターゲットの友 work offline?
The app allows for listening to audio in spare time, but users report that progress sync and certain functions may require an active connection.

Sources

  1. [1] Play Store Listing, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by ターゲットの友 英単語アプリで大学受験・TOEIC®対策!, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app remains in a maintenance phase with no new features or performance improvements. The outlook has shifted from stable to mixed due to the continued presence of technical bugs that threaten long-term retention.

shifted

Threat profile consolidation

shifted

Growth constraint identification

shifted

Outlook trend adjustment

Cite this report

Marlvel.ai. “ターゲットの友 英単語アプリで大学受験・TOEIC®対策! Intelligence Report.” Updated Aug 16, 2026. https://marlvel.ai/apps/toeic-1

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