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cosskill vs Fello AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

cosskill compared with Fello AI
Detailcosskill logo cosskillFello AI logo Fello AI
What it doesAI roleplay simulator for rehearsing high-stakes conversations All the best AI models in one native app for Mac, iPhone and iPad
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 3 messages without signup, 10 messages after sign-in. Pro Monthly: $12.90/month. Pro Yearly: $129/year (saves $25.80 vs monthly, about $10.75/month). Free version with 5 questions per hour with premium models; premium subscription available for unlimited access
Key features
  • 33 personas including Elon Musk, Steve Jobs, Donald Trump, Socrates, and specialized coaches
  • Goal-oriented Mission Mode with live reaction meters
  • 30 conversation guides for different scenarios
  • Method personas with specific communication frameworks
  • Practice without creating an account
  • Private personas and chat history sync for signed-in users
  • No content filters for difficult topics
  • Encrypted chat storage for signed-in users
  • Access 20+ AI models including GPT-6, Claude, Gemini, DeepSeek, Grok and Kimi
  • Convert files to different formats (PDF to Word, Excel, PowerPoint)
  • Web search with sources cited
  • Upload and chat with multiple files simultaneously
  • Reasoning mode for complex problems
  • Multi-language support for prompts and interface
What makes it different
  • Builds communication as a muscle through practice, not theory
  • AI personas push back and test your boundaries unlike entertainment chatbots
  • Free access to all personas and scenarios, no paywall for basic practice
  • Privacy-first with no data selling or model training on user chats
  • Personas configured with specific methods like NVC and Socratic questioning, not celebrity imitations
  • Switch between multiple AI models mid-conversation without separate subscriptions
  • Native app optimized for Mac, iPhone and iPad with full cross-device sync
  • All conversations stored locally on device with no data saved to servers
  • One subscription covers Mac, iPhone and iPad
  • Create and export real files (documents, spreadsheets, images, podcasts)
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)9 −1 (down) since last check58 −1 (down) since last check
Trust Flow (Majestic)1918
Citation Flow (Majestic)2143
Referring domains (Majestic)621512

5 details filled in for both companies.

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