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
| Capability | Pilla | Relay.app |
|---|---|---|
| Drag and drop canvas to build workflows | Yes | No |
| 20 different types of input workflow steps | Yes | No |
| Mobile app to carry out workflow inputs | Yes | No |
| AI workflow steps to automate actions | Yes | Yes |
| Unlimited teams and users | Yes | No |
| In-app user messaging and chats | Yes | No |
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 | Relay.app | |
|---|---|---|
| Workflows | ||
| Recurring workflow templates | Yes | Yes |
| Ad-hoc workflow creation | Yes | Yes |
| Reusable workflow blueprints | Yes | Yes |
| Reusable element templates | Yes | Yes |
| Custom tags & categories | Yes | No |
| Issue reporting on workflows | Yes | No |
| Activity audit trail | Yes | Yes |
| Public template library | Yes | Yes |
| Public forms (external submissions) | Yes | No |
| CSV data exports | Yes | Not documented |
| Bulk operations | Yes | Yes |
| Template impact analysis | Yes | No |
| Template analytics & insights | Yes | No |
| Input Steps | ||
| Text input | Yes | Yes |
| Number input | Yes | Yes |
| Date input | Yes | Yes |
| Time input | Yes | Not documented |
| Location / clock-in input | Yes | No |
| Checklist | Yes | No |
| Single-choice input | Yes | Yes |
| Multi-choice input | Yes | Not documented |
| Cascading select | Yes | No |
| Rating scale | Yes | No |
| Photo input | Yes | No |
| Video input | Yes | No |
| Audio note / input | Yes | No |
| File input | Yes | Yes |
| Signature input | Yes | No |
| Guidance Steps | ||
| Rich text guidance | Yes | Not documented |
| Video guidance | Yes | No |
| Photo guidance | Yes | No |
| AI Steps | ||
| AI context briefing step | Yes | Yes |
| AI decision gate step | Yes | Yes |
| AI decision tree step | Yes | Yes |
| AI automated action step | Yes | Yes |
| Communication | ||
| In-app 1:1 direct messages | Yes | No |
| Group team chats | Yes | No |
| Team-wide broadcasts | Yes | No |
| Photo, video & file attachments | Yes | No |
| Threaded replies | Yes | No |
| Emoji reactions | Yes | No |
| @mention teammates | Yes | No |
| Read receipts | Yes | No |
| Push notifications on new message | Yes | No |
| Messages linked to workflows | Yes | No |
| In-app agent | ||
| Plain-English Q&A on how it works | Yes | Yes |
| In-product walkthroughs and tutorials | Yes | Not documented |
| Saved chat history & resumable sessions | Yes | Not documented |
| Cites help docs and source data | Yes | Not documented |
| File feedback, bugs & feature requests from chat | Yes | No |
| Q&A on your workflows | Yes | Yes |
| Q&A on your team's performance | Yes | Not documented |
| Q&A across connected integrations | Yes | Yes |
| Integrations & API | ||
| Native integrations | Yes | Yes |
| 100+ MCP integrations | Yes | Not documented |
| Public REST API | Yes | No |
| Outbound webhooks | Yes | Yes |
| MCP server (connect Claude / Cursor / other) | Yes | Yes |
| IP allowlist on API keys | Yes | Not documented |
| Custom API rate limits | Yes | Yes |
| Administration | ||
| User roles (staff / manager / admin) | Yes | No |
| CSV user & team import | Yes | No |
| Tenant-isolated data | Yes | Yes |
| Account-wide audit logs | Yes | No |
| Custom step run allowances | Yes | Yes |
| Annual step run pooling | Yes | Not documented |
| SSO & SAML | Yes | Yes |
| SCIM provisioning | Yes | Not documented |
| Dedicated success manager | Yes | Yes |
| Custom onboarding | Yes | Yes |
| Service-level agreement (SLA) | Yes | Not 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.