FormaMENTIS vs Cobalt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FormaMENTIS
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area of professional and personal training, support community, calendar events, gamefication of the Team Liberi di Sognare open to all its authorized distributors.
Cobalt
This app transforms global bestsellers into concise 5, 10, or 15-minute summaries. It uses AI to customize summaries based on your preferences, offering actionable, scientific, or key takeaway formats. Access an elite library of over 300 titles across business, psychology, and biographies, with offline reading capabilities.
- Custom AI summaries
- Actionable, Scientific, Key Takeaways formats
- Elite library of 300+ titles
- Business, Psychology, Biography categories
- Offline reading mode
- Reduced eye strain interface
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No time to read? Stop feeling guilty about your unread book pile. Cobalt turns global bestsellers (Business, Psychology, Finance) into powerful 5, 10, or 15-minute summaries. WHY CHOOSE COBALT? While other apps force a standard summary on you, Cobalt uses cutting-edge AI to adapt to YOUR brain. [+] EXCLUSIVE: CUSTOM AI SUMMARIES Tired of generic or shallow summaries? - Want practical steps? Ask for an "Actionable" summary. - Want the theory? Ask for a "Scientific" summary. - Want the basics? Ask for "Key Takeaways". You decide the structure. It is unique in the world. [+] AN ELITE LIBRARY (300+ TITLES) No fluff. Only books that change lives: - Business: Rich Dad Poor Dad, The 4-Hour Workweek... - Psychology: Atomic Habits, The Four Agreements... - Biographies: Elon Musk, Steve Jobs... [+] LEARN ANYWHERE On the subway, during a coffee break, or before bed. Our reading interface is designed to reduce eye strain. Offline mode included to read without data. LAUNCH OFFER Download Cobalt now to turn every spare moment into a learning opportunity.
Screenshots
Verdict
The clearest difference is in-app purchases: FormaMENTIS at none against Cobalt's 13. Cobalt's advantage is update cadence (weekly vs every 18 months). On price, ads, device support and iOS requirement 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. Cobalt sells 13 in-app purchases, starting at $2.99 per month. FormaMENTIS asks for nothing beyond the download.
FormaMENTIS ships an update every 18 months, Cobalt weekly. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.
| Parameter | FormaMENTIS | Cobalt |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 18 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 127 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | FormaMENTIS | Theo Rousseau |
In-app purchases
FormaMENTIS
No in-app purchases
Cobalt
- Abonnement Mensuel (-40%)$2.991 Month
- Weekly Premium subscription.$3.997 Days
- Cobalt Abonnement Mensuel$4.991 Month
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- Abonnement Annuel (-40%)$29.991 Year
- Cobalt Abonnement Annuel$49.991 Year
- Influence & Communication$3.99
- Parcours Vitalité & Santé$3.99
- Moment Présent$3.99
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- Sport & Performance$3.99
- Mindset & Psychologie$3.99
- Entrepreneuriat & Business$3.99
- Pack Complet - Tous Parcours$22.99
- Cobalt Lifetime$99.99
