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Alternatives

10 best plane alternatives

Tools that cover the same task as plane (writing), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

plane starts at
$6/mo
Free plan
Free plan
API
API unknown
  1. 01

    Copy.ai

    Copy.ai is a go-to-market AI platform built around workflows, tables, and agents for sales, marketing, and operations teams. Self-serve tiers scale by seats and monthly workflow credits.

    • From $29/mo
    • Free trial
    • API available

    Best for: GTM teams automating outbound and content workflows rather than one-off document generation.

  2. 02

    UndetectedGPT

    UndetectedGPT humanizes AI-generated text, runs Ghost Writer drafting, and bundles AI detection across major checker brands. The vendor sells monthly Plus, Pro, and Max plans with credits, boosts, and higher per-request word limits, plus a documented API and MCP integration for other apps.

    • From $19.99/mo
    • Free plan
    • API available

    Best for: Writers and students who draft with mainstream AI tools and want rewriter, detector, and tone controls before publishing or submitting work.

  3. 03

    Mixmax

    Mixmax is a sales engagement platform with Inbox Copilot, Meeting Copilot, and Engagement Copilot modules inside Gmail. It adds tracking, sequences, scheduling, and AI-drafted follow-ups so reps turn inbox activity into pipeline without leaving email.

    • From $29/mo
    • Free plan
    • API available

    Best for: Individual sellers and small teams living in Gmail who want AI copilots for inbox, meetings, and sequences.

  4. 04

    StoryLegend

    StoryLegend offers free worldbuilding utilities plus Writing Studio for novels and short fiction, combining family tree and timeline tools with outlining, codex lore tracking, optional AI drafting support, and storyboard mode.

    • From $10/mo
    • Free plan
    • API unknown

    Best for: Fiction writers and worldbuilders who want connected planning, lore management, and AI-assisted drafting in one suite.

  5. 05

    Icedrive

    New users can start with 10 GB free before upgrading to higher-capacity Pro plans for larger libraries.

    • From $9.99/mo
    • Free plan
    • API unknown

    Best for: Individuals and professionals who want encrypted cloud storage with straightforward monthly Pro upgrades.

  6. 06

    Ayari

    Ayari is a conversational AI assistant for email and calendar management. Users delegate inbox triage, drafted replies, scheduling, and task planning through natural-language commands instead of clicking through threads and calendars.

    • From $12.99/mo
    • Free trial
    • API unknown

    Best for: Professionals and leaders drowning in email coordination who want an executive-assistant-style conversational interface.

  7. 07

    AI-Reply

    AI-Reply automates Reddit brand mentions by monitoring keywords, surfacing relevant threads, and drafting replies with AI before users post. Plans scale keyword counts, monthly replies, and project limits for individuals through enterprise teams.

    • From $9.90/mo
    • Free plan
    • API unknown

    Best for: Brands and marketers maintaining Reddit presence who want assisted replies in relevant conversations.

  8. 08

    Ghostwrites

    Ghostwrite AI automates SEO blog production by scanning a website and publishing relevant daily articles. Subscription plans bundle monthly post quotas, seat licensing, and business connections for individuals and marketing teams.

    • From $14.90/mo
    • Free trial
    • API unknown

    Best for: Founders and marketers who want hands-off blog content tied to their site niche for organic traffic.

  9. 09

    Petal

    Petal is a document analysis platform that lets teams chat with their own files using context-aware generative AI. It combines cloud document storage, reference management, and Petal AI answers that cite sources, with pricing tiers that meter AI credits, storage, and collaboration features for researchers and professionals.

    • From $2.99/mo
    • Free plan
    • API unknown

    Best for: Researchers, faculty, and industry experts who need sourced answers and organized document libraries in one workspace.

  10. 10

    Canary Mail

    Canary Mail is a cross-platform email client for Mac, iOS, Android, and Windows with AI Copilot features to write, summarize, and organize mail, plus security options like PGP and SecureSend. It unifies multiple accounts, read receipts, snooze, templates, and calendar scheduling in one inbox.

    • From $3/mo
    • Free plan
    • API unknown

    Best for: Individuals and teams managing multiple email accounts who want AI assistance, read receipts, and optional enterprise-grade encryption.

plane alternatives: common questions

What is the best free alternative to plane?

UndetectedGPT has an ongoing free plan. Free plan at $0/month with 2 monthly humanizer credits and 5 monthly detector credits on the pricing page Free plans change, so check the vendor before relying on one.

What is the cheapest plane alternative?

Petal has the lowest listed starting price at $2.99/mo, compared with $6/mo for plane.

Which plane alternatives have an API?

Copy.ai, UndetectedGPT, Mixmax mention API or developer access.