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.
Product velocity
Maintenance
Daily rank 🇺🇸
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Education
Sentiment
5.0
12k reviews
Nemesis
Fragmented field
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
Gamified vocabulary testing across leagues with monthly rankings.
Premium-tier practice focusing on incorrect words.
Adjustable speed and interval settings for vocabulary review.
How much does it cost?
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.
Who built it?
Obunsha Co.
6 apps tracked · Education
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?
What users say, by theme
- 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
- Audio playback fails to pause or resume correctly when interrupted by phone calls or headphone usage
24 of 24 recent reviews analyzed · moderate confidence · Excited overall
Read the full review analysisUnlock 2 more frustration themes and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
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.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe 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
- Obunsha textbook integration creates high switching costs
- Gamified national ranking system sustains daily engagement
- Adding phonetic symbols addresses top user request
- Localized version for non-Japanese speakers expands reach
Next best moves
Rebuild audio playback logic to handle system interruptions because audio continues during calls → improve retention
+ 1 more prioritized moveThe counter-intuitive read
The app's reliance on physical textbook editions is its primary growth constraint…
Read the full takeSince 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.
Access the full report for freeFAQ
Is ターゲットの友 suitable for TOEIC preparation?
Does ターゲットの友 require a subscription?
Does ターゲットの友 work offline?
Sources
- [1] Play Store Listing, source
Report last updated