The fastest calendar, built for speed-obsessed teams
★★★★☆4.2
T
Turnstone
Your AI agents, running on the AI you already pay for.
✓ Editor-researched listing — details reviewed by Grab AI Tool editors; pricing re-checked regularly.
Try it Free →
♡ 2,795 saves
What is Turnstone?
Turnstone is a team of AI agents that lives on your Mac and does real work across your apps, running on the AI subscriptions you already pay for. It took the number two spot on Product Hunt on November 7, 2026. Instead of buying a second AI, you sign in with your Claude, ChatGPT, Gemini, Grok, or Cursor subscription — or connect an API key or a self-hosted model — and when one subscription hits its usage limit, your agents move to another one and keep working in the same conversation.
A lead agent, Pebbles, sets up and coordinates a team of single-job agents with a shared memory called the Brain, built from your people, projects, and decisions. The agents work across more than 60 built-in app connections — Gmail, Slack, Notion, iMessage, and more — run on schedules, and can be sent work from your iPhone while they keep running on your Mac. Bots built on Grok Bot can be moved over with their skills and routines intact, and Turnstone is completely free to use on your Mac.
Who Turnstone Is Best For
Best for: Turnstone suits professionals and busy teams especially well: Number two Product of the Day on Product Hunt (November 7, 2026); no second AI bill — it uses subscriptions already paid for. It is completely free, so there is no budget decision to make.
Not ideal for: Not the ideal pick where these matter most: brand new to the Product Hunt charts, November 2026 — expect fast changes and early rough edges; mac only today; iPhone, web app, and Turnstone Cloud are still on the way.
Key Features
- Agent team runs on your own Claude, ChatGPT, Gemini, Grok, or Cursor plan
- Automatic failover to another subscription when one hits its usage limit
- Shared Brain memory across every agent, stored as editable files on your Mac
- 60+ built-in app connections including Gmail, Slack, Notion, and iMessage
- Scheduled routines and a lead agent that coordinates the rest of the team
Pros
- Number two Product of the Day on Product Hunt (November 7, 2026)
- No second AI bill — it uses subscriptions already paid for
- Failover between providers means work never stalls on a usage limit
Cons
- Brand new to the Product Hunt charts, November 2026 — expect fast changes and early rough edges
- Mac only today; iPhone, web app, and Turnstone Cloud are still on the way
- Runs on the AI subscriptions you already pay for, so usage limits still apply per provider
Pricing
- Model: Free
- Completely free to use on your Mac; runs on the AI subscriptions you already pay for.
Adding Up Your AI Bill?
If you pay for Turnstone alongside other AI subscriptions, the monthly total adds up quietly. Tick every tool you pay for in our free AI Tool Cost Calculator to see your real monthly and yearly bill — and spot overlaps you can cut. Still choosing? Start with our guide on how to choose the right AI tool.
How We Rated It
Scores reflect our editors’ independent assessment at the time of review. See how we rate AI tools for the full method.
Details last verified: 12 November 2026.
Alternatives to Turnstone
A file browser with your AI agents inside.
★★★★☆3.9
Mind maps that think back.
★★★★☆4.3