Pilla vs Relay.app

Relay is human-in-the-loop AI for the human at a laptop. Pilla is human-in-the-loop AI for the human on shift, on their feet, with a mobile or tablet.

Compared against Relay.app's own documentation on 21st May 2026

The short version

Choose Pilla if

Pilla wins when the work happens on mobile or tablet, on shift, with hands occupied.

Choose Relay.app if

Relay.app wins with software teams and ops people whose workflows live inside SaaS tools and require a person to approve or shape AI output mid-flow.

Pricing

Pilla

Usage-based pricing. From £29 per month for 1,000 workflow steps, scaling up to £1,749 per month for 1 million steps. Free to start, no per-seat fees. See full pricing.

Relay.app

Free: 1 user, 200 steps/mo, 500 AI credits. Pro: $19/user/mo, 750 steps. Team: $59/mo for 10 users. Enterprise: custom.

At a glance

CapabilityPillaRelay.app
Drag and drop canvas to build workflowsYesNo
20 different types of input workflow stepsYesNo
Mobile app to carry out workflow inputsYesNo
AI workflow steps to automate actionsYesYes
Unlimited teams and usersYesNo
In-app user messaging and chatsYesNo

How Relay.app positions itself

Relay.app sells itself as the easiest way to automate work with AI while keeping humans in charge. The core pitch is human-in-the-loop AI: any workflow can drop in an approval, a "Get data input" form for a teammate, or a review checkpoint where a person edits or rejects what the AI produced. They market across roles (founders, sales, customer support, recruiting) and lean on a polished, opinionated builder with 200+ native integrations, agentic AI tool-use, MCP, and a public template gallery. The marketing line is "AI does the work, you stay in control," and the product is built around that promise.

When teams choose Relay.app

Relay.app wins with software teams and ops people whose workflows live inside SaaS tools and require a person to approve or shape AI output mid-flow. If the task is "AI drafts a sales email, my AE reviews and edits before send" or "AI triages a support ticket and a CSM approves the response," Relay's HITL primitives are tighter and more elegant than most alternatives. Their AI-credits-included model (GPT, Claude, Gemini bundled) is cleaner than Pilla for users who don't want to think about model costs. Agents, MCP server, and agentic tool-use are credible for technical operators who want one tool to orchestrate AI plus 200+ apps with explicit checkpoints.

When Pilla wins

Pilla wins when the work happens on mobile or tablet, on shift, with hands occupied. Relay has no native mobile app, no checklist step, no photo or location capture as a workflow step, no signature pad, no rating field, no native in-product chat, no broadcasts, no read receipts, no push tied to the workflow. The HITL primitive assumes the human is at a laptop and can read a Slack DM or email and tap an approval. That breaks the moment the "human" is a deskless worker doing a kitchen opening, a delivery, a safety walk, or a clinical round. Pilla is purpose-built for that worker: mobile-first, with photo/video/signature steps, team chat tied to workflow runs, and roles built around staff/manager/admin instead of generic Admin/Member workspaces.

Full feature comparison

Pilla vs Relay.app full feature comparison
PillaRelay.app
Workflows
Recurring workflow templates
YesYes
Ad-hoc workflow creation
YesYes
Reusable workflow blueprints
YesYes
Reusable element templates
YesYes
Custom tags & categories
YesNo
Issue reporting on workflows
YesNo
Activity audit trail
YesYes
Public template library
YesYes
Public forms (external submissions)
YesNo
CSV data exports
YesNot documented
Bulk operations
YesYes
Template impact analysis
YesNo
Template analytics & insights
YesNo
Input Steps
Text input
YesYes
Number input
YesYes
Date input
YesYes
Time input
YesNot documented
Location / clock-in input
YesNo
Checklist
YesNo
Single-choice input
YesYes
Multi-choice input
YesNot documented
Cascading select
YesNo
Rating scale
YesNo
Photo input
YesNo
Video input
YesNo
Audio note / input
YesNo
File input
YesYes
Signature input
YesNo
Guidance Steps
Rich text guidance
YesNot documented
Video guidance
YesNo
Photo guidance
YesNo
AI Steps
AI context briefing step
YesYes
AI decision gate step
YesYes
AI decision tree step
YesYes
AI automated action step
YesYes
Communication
In-app 1:1 direct messages
YesNo
Group team chats
YesNo
Team-wide broadcasts
YesNo
Photo, video & file attachments
YesNo
Threaded replies
YesNo
Emoji reactions
YesNo
@mention teammates
YesNo
Read receipts
YesNo
Push notifications on new message
YesNo
Messages linked to workflows
YesNo
In-app agent
Plain-English Q&A on how it works
YesYes
In-product walkthroughs and tutorials
YesNot documented
Saved chat history & resumable sessions
YesNot documented
Cites help docs and source data
YesNot documented
File feedback, bugs & feature requests from chat
YesNo
Q&A on your workflows
YesYes
Q&A on your team's performance
YesNot documented
Q&A across connected integrations
YesYes
Integrations & API
Native integrations
YesYes
100+ MCP integrations
YesNot documented
Public REST API
YesNo
Outbound webhooks
YesYes
MCP server (connect Claude / Cursor / other)
YesYes
IP allowlist on API keys
YesNot documented
Custom API rate limits
YesYes
Administration
User roles (staff / manager / admin)
YesNo
CSV user & team import
YesNo
Tenant-isolated data
YesYes
Account-wide audit logs
YesNo
Custom step run allowances
YesYes
Annual step run pooling
YesNot documented
SSO & SAML
YesYes
SCIM provisioning
YesNot documented
Dedicated success manager
YesYes
Custom onboarding
YesYes
Service-level agreement (SLA)
YesNot documented

Frequently asked questions

Is Pilla a good Relay.app alternative?
Pilla wins when the work happens on mobile or tablet, on shift, with hands occupied.
What can Pilla do that Relay.app can't?
Checked against Relay.app's own documentation, Pilla offers custom tags & categories, issue reporting on workflows, public forms (external submissions), template impact analysis, and template analytics & insights — none of which Relay.app documents.
When should I choose Relay.app over Pilla?
Relay.app wins with software teams and ops people whose workflows live inside SaaS tools and require a person to approve or shape AI output mid-flow.
How much does Pilla cost compared to Relay.app?
Pilla is priced on usage, not seats. Plans start free and scale from £29 per month for 1,000 workflow steps up to 1 million steps a month, so you only pay for what your team and Poppi actually run. Relay.app offers a free tier and starts at $19 per user + per step + per AI credit.

Run your workflows where the work happens

Pilla is a workflow automation app. Start free, no credit card needed.