Quick take: Every mainstream free helpdesk caps you at 2-3 agents — Freshdesk at 2, Zoho Desk at 3, and worth flagging: Freshdesk's free "Sprout" tier is reportedly a 6-month program rather than a permanent free plan on some accounts, not the forever-free tier some listicles imply. If your support team is already past 3 people, skip the mainstream cloud tools entirely and go straight to a self-hosted open-source option instead — that's the one path with no seat limit at all.
Who This Is For
This is for a small business moving support out of a shared Gmail inbox into something with real ticket tracking, before paying for dedicated helpdesk software. If you're also evaluating a full CRM with support built in, see our CRM comparisons for the bigger-picture option.
Free plan limits and program terms change often — always confirm current numbers on each vendor's official pricing page before committing to a workflow.
What Works Well
Zoho Desk's free tier is genuinely usable, not a crippled demo — email and web-form ticketing, a knowledge base, a customer portal, and even basic AI-assisted responses via Zoho's Zia assistant are included at $0, and it integrates natively if you're already running Zoho CRM. HubSpot Service Hub's advantage is unified data — support tickets sit in the same record as sales and marketing history, so an agent sees the full customer relationship, not just the current ticket, without any extra setup. The open-source route (osTicket, FreeScout, Zammad) removes the seat-count problem entirely — unlimited agents, full control over your data, at the cost of running your own server.
Where It Falls Short
Automation is the feature most aggressively gated across every free tier here — Zoho Desk limits free accounts to just two macros (saved reply templates), and SLA rules, escalation logic, and priority routing are locked behind paid plans industry-wide. Reporting on free tiers is typically limited to raw ticket volume — agent performance, response-time trends, and SLA compliance reporting all require an upgrade. HubSpot's single shared inbox on the free tier becomes a real bottleneck the moment you want separate queues for different departments. And self-hosted tools trade all of the above for a genuine technical burden: you're responsible for hosting, security patches, and uptime yourself.
Alternatives Worth Considering
If your team is 1-2 people and you just need structure without picking a full platform, some newer tools (ProProfs Help Desk, FyneDesk) advertise genuinely permanent free plans with AI-assisted replies included — worth a look specifically because they don't cap on a countdown timer the way some "free" tiers quietly do. If channel coverage (chat, phone, WhatsApp, not just email) matters from day one, note that most free tiers across this category restrict you to email-only support.
Final Verdict
If your support team is 3 people or fewer and you're not already committed to a specific ecosystem, Zoho Desk's free tier gives the most usable functionality per agent. If you're already on HubSpot CRM, staying unified in Service Hub is worth the single-inbox limitation for the customer-context benefit. The moment your team crosses 3 agents, stop looking at mainstream cloud tools' free tiers entirely — either pay for a real plan or go self-hosted, because no cloud vendor offers a genuinely unlimited free seat count.
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