Bastion is an on-device content filtering and habit-control tool for iOS users.
The App DNA
What makes this app unique?
It removes the privacy friction of cloud-based filters by keeping all blocking logic on the device.
For Individuals seeking to improve focus and mental clarity by restricting access to adult content through on-device tools.
What does it look like?
Key features
Real-time filtering of unwanted websites.
Maximum protection setting for critical urges.
All logic executes on-device without cloud transmission.
How much does it cost?
Subscription-only model anchored at $4.99/month, focusing on privacy-conscious users seeking on-device habit control.
Velocity
Dormant developmentperformanceShow more...
Bastion: Block Adult Content has been inactive for 310 days, falling well outside the threshold for active development. The single release in the observed window provided only minor performance and blocking improvements. There is no evidence of ongoing feature development or operational support. The project currently exhibits a zombie development status.
Who built it?
Lucas Yamashita
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Golden Ratio: Face SymmetryUser Sentiment
What do users think recently?
The recent review mood reads thrilled. Users appreciate the application provides significant utility for users while remaining accessible as a free tool.
How are ratings & reviews evolving?
What users say, by theme
- The application provides significant utility for users while remaining accessible as a free tool
1 of 1 recent reviews analyzed · limited sample
Read the full review analysisCompetition
Competitive landscape for Bastion: Block Adult Content
How's the Health & Fitness market?
Bastion maintains a 4.67 rating across 15 store ratings. The lack of updates for 310 days indicates a static market position relative to active category competitors.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Bastion: Block Adult Content
Where is it heading?
The market for content-filtering tools is consolidating as OS-level features become more capable. Bastion's future depends on maintaining its offline-first privacy promise, as any move toward cloud-based features would erode its primary differentiator.
- The 310-day update gap suggests the product is in maintenance mode, limiting its ability to respond to new OS-level privacy changes.
- The 4.67 rating indicates the current feature set satisfies the core privacy-conscious user base, despite the lack of recent feature expansion.
The SWOT
- On-device processing removes privacy risks of cloud-based filtering
- Localized pricing could capture users in price-sensitive segments
Next best moves
Audit platform-native filtering capabilities because they directly compete with Bastion's core value prop → maintain competitive relevance
The counter-intuitive read
The 10-month update silence is a feature, not a bug…
Read the full takeSince the last report: The competitive assessment has shifted to prioritize the threat of platform-native screen time tools over general rival activity. This pivot reflects a more focused evaluation of the app's long-term viability against OS-level feature expansion.
Bottom line
Bastion's on-device privacy mechanism provides a defensible barrier against cloud-dependent rivals, but the lack of recent updates risks user churn as platform-native tools evolve.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
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Report last updated