The best Promptive Sentry alternative in 2026
Promptive Sentry stores 20 memories locally. ATLAS builds a searchable, synced AI memory layer that survives browser clears.
Promptive Sentry vs ATLAS: feature by feature
Storage
Promptive Sentry
20 slots, local only
ATLAS
WinnerCloud + local, plan-based quotas*
Platforms
Promptive Sentry
Claude, ChatGPT, Gemini
ATLAS
Winner10+ (Claude, ChatGPT, Gemini, Perplexity, Copilot, Mistral, DeepSeek, Grok, Le Chat, TypingMind)
Search
Promptive Sentry
None
ATLAS
WinnerSemantic search with embeddings
Organization
Promptive Sentry
Simple list
ATLAS
WinnerKanban + Wiki + Mind map
Sharing
Promptive Sentry
None
ATLAS
WinnerShareable links
Offline fallback
Promptive Sentry
Raw transcript
ATLAS
WinnerStructured context + transcript
Price
Promptive Sentry
Free (limited)
ATLAS
WinnerFree 10/mo, Premium 50/mo, Business 250/mo
Data survival
Promptive Sentry
Lost on browser clear
ATLAS
WinnerPermanent cloud sync
*Session quotas depend on your plan (Free 10 / Premium 50 / Business 250 per month).
Coming from Promptive Sentry?
Start fresh with ATLAS in under a minute: capture new sessions going forward with cloud sync and search.
- 1
Install the ATLAS extension
One click from the Chrome Web Store. Free to start, no credit card.
- 2
Capture & sync your AI chats
Work on Claude, ChatGPT, Gemini and 7+ more: sessions sync to your cloud dashboard.
- 3
Search everything later
Semantic search, kanban, wiki and mind maps over your full AI work history.
What switchers say
“
I hit the 20-memory cap on Sentry in 3 days. ATLAS just syncs everything.
“
Lost all my Sentry contexts after clearing Chrome. Never again.
“
The search alone saves me 10 minutes per project.
FAQ
Do I need to uninstall Promptive Sentry?
No. You can run ATLAS alongside or switch entirely: your call. ATLAS captures new sessions going forward.
Is ATLAS free?
Free plan includes 10 sessions/month. Premium is €10/month for 50 sessions. Business is €19/month for 250.
Will my data survive if I clear my browser?
Yes. Everything is synced to your ATLAS cloud dashboard.
Which AI platforms are supported?
ATLAS supports 10+ platforms: Claude, ChatGPT, Gemini, Perplexity, Copilot, Mistral, DeepSeek, Grok, Le Chat, TypingMind.
Stop losing your AI context
Free to install. Cloud sync. Semantic search. No 20-slot ceiling.
Install ATLAS: It's free