HelpStack vs Holly

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

HelpStack compared with Holly
Detail	HelpStack	Holly
What it does	AI-powered shared inbox for unified customer support across email, chat, and social channels	AI support agent that investigates customer issues across connected systems and takes authorized actions in your help desk
Stage	Not given	Startup
Founded	Not given	2026
Based in	SI	Not given
Pricing model	Freemium	Paid
Pricing	Free plan: €0 forever with 500 tokens per month and up to 10 channels. Starter: €29 per month with 8,000 tokens per month. Growth: €79 per month with 30,000 tokens per month. Enterprise: Custom pricing with unlimited tokens. All prices exclude VAT.	Starter: $199/month for up to 300 tickets investigated per month. Growth: $499/month for up to 1,000 tickets investigated per month. Enterprise: custom pricing.
Key features	Unified inbox for email, Facebook, Instagram, WhatsApp, and website chat AI reply suggestions that agents approve with one click Automatic translation across 40+ languages Real-time message synchronization Smart search across conversations Conversation threading and agent assignment Free chat widget for website AES-256 encryption and GDPR compliance Website crawling to train AI agent White-label option	Investigates customer issues across Stripe, Sentry, PostHog, GitHub, and Linear Resolves tickets within set permissions Follows up when linked issues ship Works in Help Scout or Fernand help desk Learns from past tickets and suggests reusable lessons Can launch Cursor cloud agent for fix proposals with GitHub
What makes it different	Built by the team behind SpaceGuardian with reliability-first approach from satellite operations Permanent free plan with no credit card required EU-hosted data with 99.9% uptime SLA Less than 2 second AI reply time	Investigates issues across systems instead of just answering from docs Provides engineering handoff with investigation already complete You control approval rules for each action type Responds with average first response time under 2 minutes
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 −3 (down) since last check	11 no change since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	24	17
Referring domains (Majestic)	83	4

5 details filled in for both companies.

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