Relay.app vs Slack Workflows

Comprehensive comparison for 2026 — features, pricing, and expert verdict

Updated: March 2026 · 5 min read

Relay.app

7.0
Overall Score
Free
Free PlanTry Relay.app
VS

Slack Workflows

6.0
Overall Score
Free
Free PlanTry Slack Workflows

Overview

Choosing between Relay.app and Slack Workflows is a common dilemma for professionals looking for the right solution. Both platforms have carved out significant market positions, but they take notably different approaches to solving similar problems. In this comprehensive comparison, we analyze every aspect that matters — from features and pricing to user experience and support — so you can make an informed decision.

Ratings Comparison

Overall
7.0
6.0
Ease of Use
8.0
8.0
Value
7.0
8.0

Feature Comparison

FeatureRelay.appSlack Workflows
Visual BuilderYesYes
Code SupportNoNo
Api ConnectionsYesYes
SchedulingYesYes
Conditional LogicYesYes
Error HandlingYesNo
Team CollaborationYesYes
TemplatesYesYes
Webhook SupportYesYes
Ai ActionsYesYes
Free PlanYesYes
Starting PriceFreeFree
Founded20212013

Feature Analysis

Both Relay.app and Slack Workflows share a solid foundation of core features including Visual Builder, Api Connections, Scheduling, Conditional Logic. Where Relay.app pulls ahead is with exclusive access to Error Handling, which can be a deciding factor for teams that rely on this capability. Looking at user ratings, Relay.app holds an overall score of 7/10 and an ease of use score of 8/10, while Slack Workflows scores 6/10 overall and 8/10 for ease of use. These ratings reflect real user experiences and can indicate differences in usability, support quality, and overall satisfaction.

Pricing Breakdown

When it comes to pricing, both Relay.app and Slack Workflows offer flexible pricing models. Both platforms offer free plans, which is great for testing before committing. Relay.app's free tier and Slack Workflows's free tier each have their own limitations, so it is worth evaluating both to see which free offering better matches your initial needs.

Pros & Cons

Relay.app

  • Unique human-in-the-loop approach
  • Clean and modern interface
  • Good AI action support

Cons

  • -Relatively new with smaller ecosystem
  • -Limited advanced features
  • -Fewer integrations than established tools

Slack Workflows

  • Built into Slack—zero extra cost
  • Great for team request workflows
  • Easy form and approval flows

Cons

  • -Limited to Slack ecosystem
  • -Basic automation capabilities
  • -Cannot handle complex logic

Who Should Choose Which?

The ideal user for each platform differs considerably. Relay.app is best suited for teams needing approval flows, operations, customer success, making it a strong choice if you fall into any of these categories. Slack Workflows, meanwhile, shines for Slack teams, internal processes, onboarding, which means it may be the better pick if your needs align with those use cases. Founded in 2021, Relay.app describes itself as "Automation platform with human-in-the-loop approval workflows." Slack Workflows, established in 2013, positions itself as "Built-in Slack automation for team communication and process workflows." With 8 years between them, Slack Workflows brings the maturity and proven track record of a veteran platform, while Relay.app offers the fresh perspective and modern architecture of a newer entrant.

Our Verdict

After analyzing all the data, **Relay.app** comes out slightly ahead in this comparison, thanks to higher user ratings (7.0 vs 6.0), more features (9 vs 8), availability of a free plan. However, this does not mean Slack Workflows is a poor choice — far from it. Slack Workflows excels in its own right, particularly for Slack teams and internal processes. Our recommendation: if you value unique human-in-the-loop approach, go with Relay.app. If built into slack—zero extra cost matters more to you, Slack Workflows is the way to go. Either way, both are solid platforms that have earned their place in the market.

Frequently Asked Questions

Is Relay.app better than Slack Workflows?
It depends on your needs. Relay.app scores 7.0 overall while Slack Workflows scores 6.0. Relay.app is best for teams needing approval flows and operations, while Slack Workflows excels for Slack teams and internal processes.
Which is cheaper, Relay.app or Slack Workflows?
Relay.app starts at Free and Slack Workflows starts at Free. Relay.app offers a free plan. Slack Workflows offers a free plan. Overall value depends on which features you need.
Can I switch from Relay.app to Slack Workflows?
Yes, most users can migrate between these platforms. Both Relay.app and Slack Workflows support data import/export. The migration process typically involves exporting your data from one platform and importing it into the other. Some tools also offer migration assistance to make the transition smoother.
What do users say about Relay.app vs Slack Workflows?
On review platforms, Relay.app holds an overall rating of 7/10 and an ease of use score of 8/10. Slack Workflows has an overall rating of 6/10 and ease of use score of 8/10. Users praise Relay.app for unique human-in-the-loop approach and Slack Workflows for built into slack—zero extra cost.
Which should I choose in 2026, Relay.app or Slack Workflows?
In 2026, we recommend Relay.app for most users based on its overall score and feature set. However, Slack Workflows remains a strong contender, especially if you prioritize built into slack—zero extra cost. Try both free trials before committing.