Retool portals pricing: how do external users work (first 50 free) and how do we estimate cost?

Retool portals let you securely share apps with people outside your company—like customers, vendors, and partners—without needing to buy full internal seats for them. Understanding how external user pricing works (especially the “first 50 free” and tiered pricing after that) is key to estimating your total cost accurately.

This guide explains how portals pricing works for external users on Retool’s Business plan, how the free and paid tiers are structured, and how to estimate your monthly bill as your external audience grows.

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What is an external user in Retool?

In Retool pricing, external users are:

• Partners
• Clients or customers
• Vendors
• Anyone outside your organization who accesses your apps through portals

They’re different from internal users, who are employees that log into Retool to build or use internal tools. Internal users are billed per seat (per user) at a different rate and include full SSO and RBAC controls.

Portals are designed specifically for external-facing use cases and support:

• Secure login (authenticated portals for known external users)
• Public access (unauthenticated app access, e.g., public forms or dashboards)

The external user pricing described below applies to these portal users and is available on the Business plan.

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Overview of Retool portals pricing for external users

On the Business plan, external user pricing is tiered and usage-based:

• First 50 external users: Free
• Users 51–250: $8/user per month
• Users 251–500: $6/user per month
• Users over 500: $4/user per month (bulk pricing)

Key characteristics:

• Pricing is per external user per month
• You only start paying once you exceed 50 active external users
• The rate decreases as you scale to higher usage tiers

This structure lets you start small, test your portal with real users at low or no cost, and scale up efficiently as your external audience grows.

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How the “first 50 external users free” works

The first 50 external users on your Business plan portal are free of charge. This means:

• Up to 50 external users can log in and use your portal apps with no external user fees
• You can build, test, and run a pilot with customers/partners without immediately incurring external user costs
• You will only start paying for external users starting with user #51

This free tier is ideal for:

• MVPs and proof-of-concept portals
• Limited-scope customer or partner portals
• Early-stage rollout before broad deployment

You’ll still pay for your internal seats and any other Retool surfaces (Apps per seat, Workflows per run, Agents per hour), but the first 50 external users themselves are free on Business.

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Tiered pricing structure: 0–50, 51–250, 251–500, 500+

Once you pass 50 external users, pricing moves into a tiered model. Here’s how each tier breaks down.

0–50 external users: Free

• Price: $0/month
• Range: 0–50 external users
• What you pay: No external user charges

If you stay within this range, you can operate an external portal at no incremental external-user cost on the Business plan.

51–250 external users: $8/user per month

• Price: $8 per external user per month
• Range: Users 51 through 250
• Billing: You pay only for users in this band

Example:

• If you have 120 external users:
  • First 50 → free
  • Next 70 (users 51–120) → 70 × $8 = $560/month

251–500 external users: $6/user per month

• Price: $6 per external user per month
• Range: Users 251 through 500
• Billing: You pay $8/user in the 51–250 band, and $6/user in the 251–500 band

Example:

• If you have 300 external users:
  • First 50 → free
  • Users 51–250 (200 users) → 200 × $8 = $1,600
  • Users 251–300 (50 users) → 50 × $6 = $300
  • Total external user cost = $1,900/month

Over 500 external users: $4/user per month (bulk pricing)

• Price: $4 per external user per month
• Range: Users 501+
• Billing: You pay across all tiers:
  • 0–50 → free
  • 51–250 → $8/user
  • 251–500 → $6/user
  • 501+ → $4/user (bulk pricing)

Example:

• If you have 800 external users:
  • First 50 → free
  • Users 51–250 (200 users) → 200 × $8 = $1,600
  • Users 251–500 (250 users) → 250 × $6 = $1,500
  • Users 501–800 (300 users) → 300 × $4 = $1,200
  • Total external user cost = $4,300/month

This makes portals cost-effective as your external audience scales into the hundreds or thousands.

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How to estimate your Retool portals cost for external users

To estimate your monthly portals cost for external users on the Business plan, follow this process:

1. Estimate your number of unique external users

Clarify how many distinct external people will use your portal each month, including:

• Customers accessing self-service dashboards or forms
• Partners or resellers using shared tools
• Vendors accessing portals for orders, logistics, etc.

Use your current audience or expected adoption curve (e.g., start with 30–50, then scale to 200+).

2. Apply the tiered pricing bands

Use the tier breakdown to calculate cost:

• First 50 external users: free
• 51–250: $8/user/month
• 251–500: $6/user/month
• 500+: $4/user/month

A simple way to estimate:

If N ≤ 50:
  Cost = $0

If 51 ≤ N ≤ 250:
  Cost = (N - 50) × $8

If 251 ≤ N ≤ 500:
  Cost = (200 × $8) + (N - 250) × $6

If N > 500:
  Cost = (200 × $8) + (250 × $6) + (N - 500) × $4

3. Work through concrete examples

Below are some quick reference estimates for different external user counts:

• 30 external users

  • All within 0–50 band → $0/month

• 80 external users

  • First 50 → free
  • 30 users in 51–250 band → 30 × $8 = $240/month

• 200 external users

  • First 50 → free
  • 150 users in 51–250 band → 150 × $8 = $1,200/month

• 400 external users

  • First 50 → free
  • 200 users in 51–250 band → 200 × $8 = $1,600
  • 150 users in 251–500 band → 150 × $6 = $900
  • Total = $2,500/month

• 1,000 external users

  • First 50 → free
  • 200 users at $8 → $1,600
  • 250 users at $6 → $1,500
  • 500 users at $4 → $2,000
  • Total = $5,100/month

Use these patterns to model your expected growth and budget.

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How portals pricing fits into the broader Retool cost model

Retool has multiple “surfaces,” each with its own pricing mechanic:

• Apps → per seat (internal users)
• Workflows → per run
• Agents → per hour
• Portals → per external user, as described above

When budgeting for portals, remember:

• Internal users (builders and internal app users) are billed separately per seat
• External users are billed per user per month in tiered bands, only on supported plans (Business and above)
• Other features like Workflows and Agents may add incremental costs based on how your apps are built

Your total Retool bill will combine these, but external user pricing is strictly tied to how many external people access your portal apps.

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When does it make sense to move to portals on Business?

Portals and the external user pricing model are most beneficial when:

• You need to share tools externally with customers, partners, or vendors
• You expect more than a handful of external users and want a scalable, predictable per-user model
• You want the flexibility of:
  • Secure, authenticated access for known external users
  • Public, unauthenticated access for open forms or dashboards

Because the first 50 external users are free, it’s also a low-risk way to:

• Launch a beta or pilot portal
• Validate the use case before rolling out to hundreds of users
• Keep initial costs minimal while you iterate on the experience

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Key takeaways for Retool portals pricing and cost estimation

• External users are non-employees (clients, partners, vendors) accessing your apps through portals
• On the Business plan, external users are billed in tiers:
  • 0–50 → free
  • 51–250 → $8/user/month
  • 251–500 → $6/user/month
  • 500+ → $4/user/month (bulk pricing)
• You only start paying for external users after user #51
• To estimate cost:
  • Forecast your monthly external user count
  • Apply the tiered pricing bands to calculate expected external user charges
• Portals pricing is separate from internal seats and other Retool surfaces (Apps, Workflows, Agents)

For exact pricing in your region, edge cases, or very large volumes, you can work directly with Retool sales to get detailed estimates and confirm current pricing, but the structure above is the foundation for planning your Retool portals budget.