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Foundry vs Tenderly: Which is Better in 2026?

Choosing between Foundry and Tenderly comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Foundry is our overall pick for blockchain development workflows. Pick Tenderly if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jun 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Foundry

Blazing fast smart contract development toolkit for Ethereum.

Best for you if:

  • • You need something completely free
  • A command-line toolkit for Ethereum smart contract development.
  • Includes tools for building, testing, deploying, and interacting with contracts.

Tenderly

Accelerate on-chain velocity with a full-stack development platform for Web3 professionals.

Best for you if:

  • Provides customizable Virtual TestNets for flexible Web3 development and testing.
  • Offers a powerful Developer Explorer with debugging, simulation, and gas profiling tools.
At a Glance
FoundryFoundry
TenderlyTenderly
Starts at
Free
$10/month/moBasic
Best For
Blockchain DevelopmentBlockchain Development
Rating
--

Choose Foundry or Tenderly?

Foundry

Choose Foundry if

Blazing fast smart contract development toolkit for Ethereum.

  • Blazing fast compilation and execution
  • Comprehensive suite of tools for the entire dev lifecycle
  • Ability to test against real chain state for robust testing
  • You want a fully free tool (Tenderly requires payment)
Tenderly

Choose Tenderly if

Accelerate on-chain velocity with a full-stack development platform for Web3 professionals.

  • Replaces rigid public testnets with flexible, private environments.
  • Offers comprehensive debugging and observability tools for smart contracts.
  • Provides a highly scalable and performant infrastructure for dApps.
FeatureFoundryTenderly
Pricing ModelFreeFreemium
User RatingNo ratings yetNo ratings yet
Categories
Blockchain DevelopmentDeveloper Tools
Blockchain DevelopmentDeveloper Tools

In-Depth Analysis

FoundryFoundry

Blazing fast smart contract development toolkit for Ethereum.

Strengths

  • +Blazing fast compilation and execution
  • +Comprehensive suite of tools for the entire dev lifecycle
  • +Ability to test against real chain state for robust testing
  • +Open-source and community-driven with active development
  • +Easy to install and get started

Weaknesses

  • -Primarily command-line based, which might have a learning curve for some
  • -Requires familiarity with Ethereum development concepts

Key features

Forge: Build, test, debug, deploy, and verify smart contractsAnvil: Run a local Ethereum development node with JSON-RPC complianceCast: Interact with on-chain applications from the command lineUltra-fast compilation with dynamic_test_linkingTest contracts against real-world chain stateFork mainnet for local development
Starts at Free

TenderlyTenderly

Accelerate on-chain velocity with a full-stack development platform for Web3 professionals.

Strengths

  • +Replaces rigid public testnets with flexible, private environments.
  • +Offers comprehensive debugging and observability tools for smart contracts.
  • +Provides a highly scalable and performant infrastructure for dApps.
  • +Reduces infrastructure management overhead for development teams.
  • +Enables safe user onboarding and testing with gassless simulation mode.

Weaknesses

  • -Pricing details are not publicly available, requiring direct contact for enterprise solutions.
  • -The product is primarily focused on EVM-compatible chains, potentially limiting its use for non-EVM blockchain development.
  • -Advanced features like custom RPC endpoints and soft rate limits are likely part of higher-tier or custom plans, not universally accessible.

Key features

Virtual TestNets (customizable, zero-setup dev environments)Developer Explorer (decoded, human-readable on-chain insights)Node RPC (scalable, extensible, customizable)Transaction Simulator (preview outcomes, prevent failures)Real-time Monitoring & Alerts (on-chain events, incident management)Gas Profiler (analyze and optimize gas usage)
Starts at $10/month/mo

Pricing: Foundry vs Tenderly

PlanFoundryTenderly
Tier 1
Free
Foundry
Free
Free
Tier 2N/A
$10/month
Basic
Tier 3N/A
$25/month
Pro

Pricing verified from each vendor's public pricing page. Compare in detail on Foundry pricing and Tenderly pricing.

Who Should Use What?

On a budget?

Foundry is free. Tenderly is freemium.

Go with: Foundry

Want the highest-rated option?

Neither has user reviews yet.

Go with: Foundry

Value user reviews?

Neither has user reviews yet.

Go with: Foundry

3 Questions to Help You Decide

1

What's your budget?

Foundry is free. Tenderly is freemium. Go with Foundry if free matters most.

2

What's your use case?

Both are blockchain development tools. Compare their specific features to decide.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

Foundry

  • Completely free
  • Our pick for this comparison

Tenderly

  • Choose if you want accelerate on-chain velocity with a full-stack development platform for Web3 professionals

The Bottom Line

Foundry is our pick.

Frequently Asked Questions

Is Foundry or Tenderly better?

Foundry is rated in our evaluation. Foundry is free and Tenderly is freemium.

What are Foundry and Tenderly used for?

Foundry: Blazing fast smart contract development toolkit for Ethereum.. Tenderly: Accelerate on-chain velocity with a full-stack development platform for Web3 professionals..

What does Foundry cost vs Tenderly?

Foundry is completely free. Tenderly is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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