Nightfall vs AltIndex
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Nightfall starts at See pricing page and AltIndex starts at $29/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Sensitive data discovery
- Exfiltration prevention
- MCP server inventory
- Nyx investigation agent
- Insider risk detection
- SaaS and endpoint coverage
- AI stock scores
- Daily AI stock picks
- Portfolio scoring from screenshots
- Real-time alerts
- Stock screener
- API and MCP server
| Feature | Nightfall | AltIndex |
|---|---|---|
| Best for | AI-native data loss prevention for SaaS, endpoints and AI agents | AI stock scores and picks built on alternative data signals |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $29/mo |
| Free plan | No | Yes |
| Made by | Nightfall AI | AltIndex |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Nightfall starts at See pricing page and AltIndex starts at $29/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Search any ticker
- Free account
Starter
$29/mo
- 25-stock watchlist
- 1 brokerage connection
- Top 25 AI picks daily
- Smart alerts
Pro
$99/mo
- Unlimited watchlist and connections
- All 200 AI picks daily
- AI chat and portfolio insights
- API key and MCP
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Nightfall
- Covers SaaS, endpoints and AI tools
- Detects shadow MCP servers
- Automates alert investigation
- Self-remediation for end users
- Prices not shown publicly
- Priced per user per year
- Demo required to evaluate
AltIndex
- Uses data beyond price charts
- Portfolio check without linking accounts
- MCP for AI assistants
- AI picks are not financial advice
- Full screener only on higher tiers
- API plans billed separately
Which one should you choose?
Choose Nightfall if you want:
- Covers SaaS, endpoints and AI tools
- Detects shadow MCP servers
- Automates alert investigation
Watch out: prices not shown publicly.
Choose AltIndex if you want:
- Uses data beyond price charts
- Portfolio check without linking accounts
- MCP for AI assistants
Watch out: ai picks are not financial advice.
Nightfall vs AltIndex FAQ
What is the difference between Nightfall and AltIndex?
Nightfall: AI-native data loss prevention for SaaS, endpoints and AI agents. AltIndex: AI stock scores and picks built on alternative data signals. Both are legal, finance & hr tools.
Is Nightfall or AltIndex cheaper?
Nightfall starts at See pricing page and AltIndex starts at $29/mo. Check both pricing pages for current plans.
Do Nightfall and AltIndex have free plans?
Nightfall: No. AltIndex: Yes.
Who makes Nightfall?
Nightfall is made by Nightfall AI, based in United States.
Who makes AltIndex?
AltIndex is made by AltIndex.
Which should I choose, Nightfall or AltIndex?
Choose Nightfall if you value covers saas, endpoints and ai tools and detects shadow mcp servers. Choose AltIndex if you value uses data beyond price charts and portfolio check without linking accounts.