Alternatives · AI Agents
Simular Sai alternatives
Simular Sai compared with 5 alternatives: Manus, Zo Computer, Happycapy, Airtop and SuperNinja.
Simular Sai has a free plan. Paid plans start at $50 per month (Pay as you go, includes 50,000 credits). 3 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.
5 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| Simular SaiThis tool | Free plan · from $50/mo | Yes | Web, macOS, Windows |
| Manus | Free plan · from $20/mo | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
| Zo Computer | Free trial · from $18/mo | Trial only | Web, macOS, Windows, Linux |
| Happycapy | Free plan · from $17/mo | Yes | Web, iOS, Android |
| Airtop | Free plan · from $29/mo | Yes | Web |
| SuperNinja | Free trial · from $19/mo | Trial only | Web, macOS, Windows, iOS, Android |
How each one differs from Simular Sai
- Free plan · from $20/mo
Manus
General AI agent for research, slides, websites and browser tasks
- Manus starts at $20 per month, billed monthly (Pro with 4,000 credits). Simular Sai starts at $50 per month (Pay as you go, includes 50,000 credits).
- Only Manus lists iOS and Android apps.
- Only Manus lists a browser extension.
- Manus also covers app builder, research and presentations.
- Simular Sai also covers workflow automation.
Suits: Handing off multi-step research and getting a finished report back
- Free trial · from $18/mo
Zo Computer
Always-on personal cloud computer run by an AI agent
- Zo Computer starts at $18 per month (Basic). Simular Sai starts at $50 per month (Pay as you go, includes 50,000 credits).
- Simular Sai has a free plan. Zo Computer does not, though it has a free trial.
- Only Zo Computer lists a Linux app.
- Zo Computer also covers chat assistant and app builder.
Suits: Non-developers who want a website or small app built and hosted
- Free plan · from $17/mo
Happycapy
Cloud sandbox computer where AI agents run skills and automations
- Happycapy starts at $17 per month, billed annually (Pro); $20 billed monthly. Simular Sai starts at $50 per month (Pay as you go, includes 50,000 credits).
- Only Happycapy lists iOS and Android apps.
- Only Simular Sai lists macOS and Windows apps.
- Happycapy also covers app builder, research and presentations.
Suits: People who want agent tools like Claude Code without a terminal
- Free plan · from $29/mo
Airtop
AI agents that automate web, app and API workflows from a chat
- Airtop starts at $29 per month, billed monthly (Starter with 30,000 credits). Simular Sai starts at $50 per month (Pay as you go, includes 50,000 credits).
- Only Simular Sai lists macOS and Windows apps.
- Airtop also covers marketing automation and no-code.
Suits: Automating websites and vendor portals that have no API
- Free trial · from $19/mo
SuperNinja
Autonomous AI agent that works on its own cloud computer
- SuperNinja starts at $19 per month, billed monthly (Pro, 1,900 credits); $15.83 billed annually. Simular Sai starts at $50 per month (Pay as you go, includes 50,000 credits).
- Simular Sai has a free plan. SuperNinja does not, though it has a free trial.
- Only SuperNinja lists iOS and Android apps.
- SuperNinja also covers app builder, research and citations.
- Simular Sai also covers workflow automation.
Suits: Handing off multi-step research, analysis or coding jobs to run unattended
Limits worth knowing in Simular Sai
- The free Explore plan has a daily credit allowance whose size the pricing page does not state, and only limited access to a cloud computer.
- On Pay as you go, the $50 a month of credits pays for both AI usage and cloud computer time; heavier use needs top-ups.
- Sai Unlimited costs $500 a month and covers one workspace; additional workspaces are upgraded separately.
- Running Sai on your own device is offered for Mac and Windows, while the cloud computers are Windows or Linux.
Common questions
What are the alternatives to Simular Sai?
The alternatives to Simular Sai in this directory are Manus, Zo Computer, Happycapy, Airtop and SuperNinja. Each one has a side-by-side comparison with Simular Sai.
Is there a free alternative to Simular Sai?
Yes. Manus, Happycapy and Airtop have a free plan alongside paid ones.
Which Simular Sai alternatives work on Linux?
The Simular Sai listing does not include a Linux app. Zo Computer lists one.
Which Simular Sai alternatives work on Android?
The Simular Sai listing does not include an Android app. Manus, Happycapy and SuperNinja list one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices without notice, so confirm on their site before you buy.