Zoho One is a clever product: one subscription covers 40+ apps, unified billing, and a single admin console. If you're spread across Zoho's ecosystem—CRM, invoicing, HR, projects, help desk, analytics—it's cheap per app and the switching costs within the platform are low. But that's exactly why leaving Zoho One feels hard. You're not just replacing a CRM; you're unraveling a bundled suite where the glue is the Zoho licence itself, not the quality of any one tool. This checklist is for teams asking whether to stay on Zoho One or move to something more cohesive—like a single platform built for integration rather than aggregation. We'll be honest about what Zoho does well, where costs creep up, and what you actually need to move. What Zoho One Is (and Who Should Stay) Zoho One is not a single product. It's a subscription model. You pay per user, per month, and get access to a large library of apps. The appeal is obvious: Breadth, not depth. You get a tool for almost every function: sales, service, HR, accounting, projects, marketing, help desk, forms, workflows. If you need 8 different apps, bundling is cheaper than buying best-of-breed. Unified licensing and admin. One login, one billing contact, one place to manage users and permissions. Low switching costs within the ecosystem. Moving data from Zoho CRM to Zoho Projects to Zoho Invoices is straightforward—they all read the same contact database. APIs exist. Zoho's APIs are functional and well-documented, though not as slick as newer platforms. You should stay on Zoho One if: You're a lean team (under 15 people) using 5+ Zoho apps. The maths favours bundling. You have no immediate demands for AI, modern mobile UX, or real-time collaboration. Zoho's interfaces work, but they feel built for process, not speed. Your team is mostly technical. Zoho's Deluge scripting language and workflow builder give power-users room to automate without coding. Consultants and accountants often like this. You're in a region where Zoho has strong local compliance (EU, India, Australia). Zoho's data residency options are competitive. Where Costs Escalate (The Real Migration Trigger) Zoho One's headline price is low, but the bill grows fast once you dig in: Advanced modules within apps cost extra. The Zoho CRM base plan is affordable, but advanced modules like Lead Scoring, Revenue Intelligence, or custom analytics layers are sold separately. Same for Zoho Books (Compliance or Advanced Accounting modules). Same for Zoho People (Succession Planning, Time Tracking). Per-seat pricing on add-ons. If you add Zoho's AI email assistant or advanced sales intelligence, you often pay per user on top of the base subscription. A team of 20 paying for 3–4 add-ons on top of One can end up paying per-seat prices that rival HubSpot or Orin. Custom integrations are expensive. Zoho One assumes you stay in the Zoho ecosystem. If you need Zoho CRM talking to Stripe, or Zoho Invoices talking to Shopify with real-time sync, you're either building Zapier flows (which cost per task) or hiring a Zoho consultant to write custom middleware. A single API integration can cost £3,000–£8,000. Storage overages. Zoho One's storage limits are generous by plan, but once you hit them, overage costs are per GB and add up. Teams managing PDFs, contracts, or video files often hit limits faster than expected. Many teams find that at 15+ people with custom needs, moving to a single cohesive platform with tighter integrations and built-in AI actually costs less than Zoho One at scale. Migration Effort: What's Really Involved Zoho One makes it hard to leave because you're not leaving one app; you're leaving a network. Data lives in multiple places. Your contacts are in Zoho CRM, but customer history spans Zoho Invoices (payment records), Zoho Books (GL entries), Zoho Service (support tickets), and Zoho Projects (contract deliverables). You can't just export CRM and call it done. Relationships won't export cleanly. The contact is linked to invoices, which are linked to orders, which are linked to projects, which are linked to support tickets. Most export tools flatten this into CSV. You'll need a staging database (or a data integration specialist) to re-map those relationships in your new system. Zoho workflows don't port. If you've built Zoho's Deluge automations or approval workflows, they don't migrate. You'll need to rebuild them in your new platform's automation engine. Estimated effort: 2–12 weeks, depending on complexity. A simple CRM-only migration with 5,000 contacts and no custom fields might be a week. A full suite migration with custom workflows, 50,000+ records, and multiple linked databases could be 8–12 weeks, plus 2–3 weeks of shadow running (testing the new system while Zoho is still live). Data Portability: What You Can Actually Take Zoho is not a walled garden, but it's not generous either: Standard exports work. You can bulk-export contacts, deals, invoices, and projects as CSV or API dumps. The API doesn