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Astar vs Private GP Chat AI

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

Astar compared with Private GP Chat AI
Detail Astar Private GP Chat AI
What it doesName stars, leave notes, and find them again Private AI chats that do not vanish, locked with your password and kept on your device
StageNot given Not given
FoundedNot given Not given
Based inNot given KR
Pricing modelFreemium Not given
PricingNot given Not given
Key features
  • Name stars and leave notes
  • Public or private note visibility
  • 3D scene visualization
  • Notes limited to 280 characters
  • Likes and favorites
  • Explore feed
  • Automated profanity filtering
  • Password-locked conversations
  • On-device encryption
  • Screenshot protection
  • No account required
  • Ten AI models
  • Switch models mid-conversation
  • Context across days
  • Stop or regenerate replies
  • Persistent chat history
What makes it different
  • Private personal night sky
  • Free on iOS and Android
  • Public and private note options
  • Conversations stay on your device and persist permanently, unlike other apps that delete private chats
  • Full context maintained across conversations with automatic message summarization for long threads
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)29 no change since last check1 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1217
Referring domains (Majestic)132

3 details filled in for both companies.

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