BiasProof vs Predicate Logic Foundations
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BiasProof
This app gamifies cognitive bias training by presenting realistic scenarios to help users identify and resist emotional traps, cognitive errors, and modern scams. It aims to build measurable resistance to thinking pitfalls that affect decisions, relationships, and finances.
- Gamified mental calibration
- Realistic scenario simulations
- Identification of emotional traps and scams
- Measurable resistance tracking
- Progress tracking and leaderboards
- Daily habit building
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Master your biology. Battle your urges. Never get played. BiasProof is the cognitive bias training app that gamifies mental calibration. In realistic scenarios, you'll spot emotional traps, cognitive errors, and modern scams—building measurable resistance to the thinking pitfalls that derail decisions, relationships, and finances. Manifesto: Defend your mind. The world has changed. It's no longer just about "better decisions"—it's about defense. Your biology works against you: Biases like sunk cost keep you in bad jobs; anchoring fleeces you in deals. Your emotions tempt you: Urgency traps push impulse buys; trends override logic. Bad actors exploit you: AI-powered scams (pig-butchering, voice cloning) target human nature, not stupidity. We have antivirus for devices and locks for doors—but nothing for the software in your head. Until now. The Solution: Train like a martial art. BiasProof turns skepticism into a skill. No dry definitions—we simulate attacks: • Fake "urgent" investments • Tempting viral trends • Pressure-filled demands You make judgments, get instant feedback, and learn counter-moves. Progress through levels, earn streaks, badges, and climb leaderboards. Think of it as Strava for your brain. Why it works: Realistic scenarios from behavioral science Immediate feedback for muscle memory Gamification for daily habit (streaks, challenges, progress tracking) Measurable calibration: Track resistance over time Protect yourself from your own brain—and everyone else's scams. Download BiasProof and start training today.
Predicate Logic Foundations
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Predicate Logic Foundations is an independent study app for learners who want structured practice in formal reasoning, quantifiers, inference, models, and proofs. Built for beginners, students, self-learners, and anyone reviewing predicate logic concepts, the app turns 160 questions into focused daily practice across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. - FSRS spaced-repetition intervals to review at the right time - Weak-point heatmap to spot topics that need attention - Daily challenge for consistent progress - Mock exams for timed review - Explanations for every question - Offline practice with no login required Practice offline, no login required. Your study flow stays simple and private. Independent study app for Predicate Logic Foundations practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.
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Verdict
The clearest difference is in-app purchases: Predicate Logic Foundations at none against BiasProof's 1. Predicate Logic Foundations also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BiasProof sells 1 one-off in-app purchase. Predicate Logic Foundations asks for nothing beyond the download.
| Parameter | BiasProof | Predicate Logic Foundations |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 38 MB |
| Age rating | 12+ | 4+ |
| Developer | Justin Neuman | AFTW LLC |
In-app purchases
BiasProof
- BiasProof Pro - LIfetime Access$4.99
Predicate Logic Foundations
No in-app purchases
Questions
Is BiasProof free?
Is Predicate Logic Foundations free?
Do BiasProof or Predicate Logic Foundations have ads?
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