Opositor: Tests y Simulacros
Opositor is a civil service exam preparation app for iPhone that uses on-device AI to generate tests and track BOE legislation.
The App DNA
What makes this app unique?
Candidates hire Opositor to convert short-term study sessions into long-term memory via FSRS spaced repetition, while avoiding the privacy risks of cloud-based AI.
For Individuals preparing for Spanish civil service examinations who require structured study materials and official exam simulations.
What does it look like?
Key features
Generates test questions locally without cloud connectivity, reducing data security friction.
Algorithmic scheduling of review sessions to optimize memory retention, gated behind the Pro subscription.
Consolidated access to over 90 laws with integrated search, serving as a high-value utility for serious candidates.
How much does it cost?
The freemium model uses a daily usage cap to drive conversion to Pro, with a 7-day free trial offered on the annual plan.
Velocity
Maintenance developmentUX improvementsShow more...
The app maintains a maintenance cadence, with only one release recorded in the analyzed window. Development is currently focused on UX improvements and user retention features, such as daily reminders and simulation prompts. There is no evidence of a high-frequency feature pipeline or live operations. The current pace suggests a stable, low-intensity update cycle.
Who built it?
Juan Miguel Marques Morilla
5 apps tracked · Education
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What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Opositor: Tests y Simulacros
How's the Education market?
Opositor occupies a specialized niche in the Education category, leveraging on-device AI to differentiate from cloud-reliant study tools. The lack of public ratings suggests an early-stage market presence that requires immediate social proof to scale.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Opositor: Tests y Simulacros
Where is it heading?
The civil service prep market is consolidating around tools that offer social study features and high-frequency live-ops. Opositor's current posture is stable but exposed, as the lack of community-driven retention loops makes it vulnerable to competitors with stronger social mechanics.
- The 36-day update cadence indicates a stable, maintenance-focused product that lacks the aggressive iteration needed to capture market share from faster rivals.
The SWOT
- On-device AI generation removes data-privacy friction
- Integrated BOE legislation tracker functions as a high-value utility
- FSRS spaced repetition algorithm provides a scientific retention mechanism
- B2B partnerships with civil service academies
- Gamified study streaks to improve retention
Next best moves
Ship social study groups because the current solitary experience lacks retention loops → increase daily active usage
The counter-intuitive read
Opositor's on-device AI is a liability, not an asset: by avoiding cloud connectivity…
Read the full takeSince the last report: The report reflects a shift in strategy from funnel optimization to social feature development, alongside a more critical assessment of the app's maintenance-mode development pace.
Bottom line
Opositor secures its niche with on-device AI and deep legislation integration, but the lack of social study features and slow update cadence leaves it exposed to more dynamic rivals, so the PM should prioritize a community-driven study loop to boost retention.
Unlock 3 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeSources
- [1] App Store
- [2] Developer website, source
Report last updated