Sophiq vs LogicBrain
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Sophiq
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Sophiq is a native iOS reader for the Stanford Encyclopedia of Philosophy (SEP), a free, open-access academic reference published by Stanford University at plato.stanford.edu. The app solves the problem of the SEP being difficult to read comfortably on mobile devices by providing a clean, distraction-free native reading experience with progress tracking, bookmarks, notes, and adjustable typography. The intended audience is philosophy students, academics, and curious general readers.
LogicBrain
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Every day, someone tries to fool you โ ads, headlines, statistics, that guy in the meeting. LogicBrain trains you to catch them, 5 minutes a day. Not memory tricks. Not parlor games. Real reasoning. FIGHT THE FALLACY VILLAINS Every bad argument has a face. Baron Bandwagon, The Strawman, Captain Sunk Cost โ 20 collectible villains, each one a real reasoning error. They ambush your workouts. Beat them twice to capture them. TRAIN FIVE FACULTIES Deduction, Argument, Probability, Systems, Decision. Adaptive workouts built from real-world material meet you exactly at your level. WATCH YOUR LQ RISE Your Logic Quotient tracks your in-app training progress. Miss a question? It returns days later as a 3x-XP rematch โ spaced repetition, disguised as revenge. BUILT TO RESPECT YOU One workout a day free, forever. No ads. Your training history and progress stay on your device. The app anonymously checks logicbrain.ai for content updates. LOGICBRAIN PRO Unlimited workouts, all 10 games, every villain. Monthly, annual with a 7-day free trial for eligible new subscribers, and a one-time lifetime unlock are available at the prices shown in the app for your storefront. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends; manage or cancel in Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://logicbrain.ai/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Sophiq at none against LogicBrain's 3. Sophiq also leads on update cadence (every 10 days vs every 5 weeks) and device support (3 vs 1). On price and ads there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. LogicBrain sells 3 in-app purchases, starting at $12.99 per month. Sophiq asks for nothing beyond the download.
Sophiq ships an update every 10 days, LogicBrain every 5 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.
| Parameter | Sophiq | LogicBrain |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days โ better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 13.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 22 MB | 9 MB |
| Age rating | 9+ | 4+ |
| Developer | Aqib Ahmed | Phu Ho |
In-app purchases
Sophiq
No in-app purchases
LogicBrain
- LogicBrain Pro Monthly$12.991 Month
- LogicBrain Pro Annual7 Days trial$59.991 Year
- LogicBrain Pro Lifetime$149.99
Questions
Is Sophiq free?
Is LogicBrain free?
Do Sophiq or LogicBrain have ads?
Which is updated more often, Sophiq or LogicBrain?
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