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Alternatives

10 best Opposable alternatives

Tools that cover the same task as Opposable (phone agent control), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 9, 2026.

Opposable starts at
$8/mo
Free plan
Free plan
API
API available
  1. 01

    Zeptap

    Zeptap lets a connected assistant inspect and operate a real iPhone through a Mac application. USB carries the screen while Bluetooth and AssistiveTouch support taps, typing and gestures.

    • From $25/mo
    • No free plan
    • API available

    Best for: Fits controlled device workflows where the owner reviews assistant actions and understands what the connected model receives.

  2. 02

    AppVeyor

    AppVeyor is a hosted CI/CD service for Windows, Linux, and macOS that connects to source control and runs builds on cloud VMs with admin access. It supports multi-stage deployments, self-hosted build agents, and parallel jobs for teams shipping cross-platform software.

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

    Best for: Developers and release teams that need Windows-friendly CI/CD alongside Linux and macOS build agents.

  3. 03

    AgentMail

    AgentMail is an email inbox API built for AI agents, giving each agent its own inbox to create threads, send and receive mail, handle attachments, and integrate via SDKs or MCP. The product targets developers wiring agents into real email workflows with multi-tenant controls and optional custom domains.

    • From $20/mo
    • Free plan
    • API available

    Best for: Developers and AI product teams that need programmatic email inboxes for agents rather than human Gmail workflows.

  4. 04

    ConscioussAI

    ConscioussAI connects AI models to operating-system workflows on a phone or computer. Its plans combine model access, credit budgets and higher-tier screen sharing and hands-free controls.

    • From $7/mo
    • Free trial
    • API unknown

    Best for: Relevant to users evaluating an assistant that can operate supported desktop or mobile workflows.

  5. 05

    Tiptap Editor 3.0 Beta

    Tiptap is a headless rich-text editor framework with 100+ extensions and a paid Tiptap Platform for collaboration, comments, DOCX conversion, AI toolkit agents, and cloud documents. Developers embed the open-source editor or buy hosted platform tiers for production document apps.

    • From $49/mo
    • Free trial
    • API available

    Best for: Product teams building Notion-like, legal, or AI-native editors who need extensible React components plus optional hosted collaboration.

  6. 06

    Dial

    Dial gives agents phone numbers and voice or messaging access through a unified API. It offers self-hosted and managed call modes, signed webhooks and SDK/MCP integration.

    • From $3/mo
    • Free to start
    • API available

    Best for: Relevant to developers building permissioned calling and messaging workflows.

  7. 07

    CoreSpeed

    CoreSpeed connects AI agents to third-party apps and combines connectors with built-in generation and analysis tools, memory, usage billing and review controls. It works with external agents such as Claude Code, Codex and Cursor.

    • From $20/mo
    • Free to start
    • API unknown

    Best for: Choose it when an existing coding or automation agent needs app connections, shared memory and centrally tracked usage rather than separate connector setup for each app.

  8. 08

    Cosine

    Cosine, hosted at cosine.sh, is a sovereign AI lab training specialized coding agents and models for secure environments. It offers Lumen Scout, Outpost, and Sovereign models plus CLI and cloud surfaces with transparent credit-based plans for developers and regulated teams.

    • From $19/mo
    • Free tier unknown
    • API unknown

    Best for: Developers and organizations that need frontier coding agents inside secure or air-gapped deployments with credit-based usage.

  9. 09

    Infisical

    Infisical is a security platform for developers and AI agents covering secrets management, certificate management, and privileged access. Cloud plans scale by identities with integrations, rotation, SSO, and enterprise controls for larger organizations.

    • From $23/mo
    • Free plan
    • API available

    Best for: Engineering teams and agent builders needing centralized secrets, certificates, and privileged access with SSO and audit trails.

  10. 10

    Mem0

    Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.

    • From $19/mo
    • Free plan
    • API available

    Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.

Opposable alternatives: common questions

What is the best free alternative to Opposable?

AppVeyor has an ongoing free plan. Pricing lists an Open-source plan at FREE with unlimited public projects and one concurrent job. Free plans change, so check the vendor before relying on one.

What is the cheapest Opposable alternative?

Dial has the lowest listed starting price at $3/mo, compared with $8/mo for Opposable.

Which Opposable alternatives have an API?

Zeptap, AppVeyor, AgentMail, Tiptap Editor 3.0 Beta, Dial mention API or developer access.