toolcompass.

Find your next AI tool

Search by product name or task. Press Escape to close.

Alternatives

10 best Rex Fit alternatives

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

Rex Fit starts at
Not listed
Free plan
Free to start
API
API available
  1. 01

    AI Mock Interviews

    Himalayas is a remote job board that bundles AI career tools including mock interview practice, resume and cover letter builders, career coaching, and optional conversational AI interviews on paid talent plans. Free profiles include limited AI interview sessions while Plus unlocks unlimited practice.

    • From $9/mo
    • Free plan
    • API unknown

    Best for: Remote job seekers who want AI interview prep alongside job discovery and application tracking.

  2. 02

    BurnBacon

    BurnBacon is an AI fitness and nutrition coaching platform with six specialist coaches covering nutrition, fitness, wellness, sleep, mindset, and accountability. It generates personalized meal plans, tracks workouts, and offers 24/7 chat guidance at lower cost than traditional coaching.

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

    Best for: Individuals seeking affordable AI coaching for meals, workouts, and habit support without scheduling human trainers.

  3. 03

    Coach Call AI

    Coach Call AI is an accountability partner that reaches out over WhatsApp and real phone calls instead of waiting for you to open an app. You set goals, connect WhatsApp, pick a coach voice, and get scheduled check-ins, follow-ups, and motivational calls when motivation drops.

    • From $19/mo
    • Free to start
    • API available

    Best for: People building habits or finishing projects who want external check-ins via WhatsApp and voice calls rather than another passive to-do tracker.

  4. 04

    DeepTab

    DeepTab is a Chrome extension that embeds GPT-3.5 assistance, AI chat, instant search shortcuts, and daily wallpapers into the new tab and sidebar. Pricing offers a free daily credit allowance plus Basic and Pro subscriptions with higher GPT-4 allotments.

    • From $6.90/mo
    • Free plan
    • API unknown

    Best for: Chrome users who want AI chat, search, and productivity utilities every time they open a tab or sidebar.

  5. 05

    Clara

    Clara is an AI-powered primary care service with board-certified clinicians reviewing prescriptions, labs, and care plans. Members get unlimited AI chat, medical record sync, wearable insights on higher tiers, and video visits ranging from one per year on Basic to monthly visits on Concierge, marketed as HSA/FSA eligible.

    • From $25/mo
    • Free tier unknown
    • API unknown

    Best for: Consumers who want always-on AI primary care with human clinician oversight for meds, labs, and longitudinal health planning.

  6. 06

    Definio

    Definio is a Chrome extension that bundles access to premium AI models such as o1 reasoning, Claude, and GPT-4o in one sidepanel and text-selection chat. It targets users who want multi-model browsing assistance without maintaining separate ChatGPT Plus and Claude Pro subscriptions.

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

    Best for: Chrome users who want premium model access while browsing with instant selection chat and a sidepanel interface.

  7. 07

    Microsoft Copilot

    Microsoft Copilot is Microsoft’s consumer AI assistant for chat, creation, and research on the web and in Microsoft 365 apps. Free chat lives at copilot.microsoft.com, while Microsoft 365 Personal, Family, Premium, and Pro subscriptions add Copilot features inside Word, Excel, PowerPoint, Outlook, and Teams with higher usage limits on Premium tiers.

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

    Best for: Individuals and families who want Microsoft’s AI assistant in the browser plus optional Copilot inside Microsoft 365 productivity apps.

  8. 08

    HammerAI

    HammerAI is a private AI chat, roleplay, image, and story platform that runs models locally in the browser or desktop app while also offering optional cloud credits. The site emphasizes no sign-in required for local use, character roleplay, group chats, and optional paid cloud features.

    • From $9/mo
    • Free plan
    • API unknown

    Best for: Roleplay and creative writers who want private local chat plus optional cloud image, TTS, and higher-quality models.

  9. 09

    Asa.Team

    Asa.Team delivers clock-ins, automatic timesheets, and project intelligence inside Microsoft Teams, Slack, and Telegram chats. The platform tracks punctuality, Kanban boards, AI assistant messages, and wellness signals for distributed teams without per-seat pricing on paid company plans.

    • From $60/mo
    • Free plan
    • API unknown

    Best for: Remote teams that already live in chat apps and want time tracking plus AI project summaries billed per company.

  10. 10

    BoldSpeak

    BoldSpeak is an immersive AI language practice app with mission-based conversation scenarios rather than gamified flashcards. Paid tiers raise daily session counts and minutes per session while a free tier offers limited daily missions.

    • From $6.99/mo
    • Free plan
    • API unknown

    Best for: Language learners who want realistic AI conversation practice with structured missions.

Rex Fit alternatives: common questions

What is the best free alternative to Rex Fit?

AI Mock Interviews has an ongoing free plan. Himalayas Free tier includes 1 free mock interview, 1 free resume, and 1 free cover letter Free plans change, so check the vendor before relying on one.

What is the cheapest Rex Fit alternative?

DeepTab has the lowest listed starting price at $6.90/mo.

Which Rex Fit alternatives have an API?

Coach Call AI mention API or developer access.