Side-by-side comparison

    Circleback vs HARPA AI

    Comparing Circleback (Free Trial) vs HARPA AI (Freemium) — see how each fits your workflow, budget, and team size.

    Circleback

    Circleback

    AI-powered meeting notes, transcriptions, and follow-up automations for various platforms.

    AI SEO Tools
    Free Trial
    5.0
    220K/mo
    +13.0%
    VS
    HARPA AI

    HARPA AI

    HARPA AI: Chrome extension for web automation using AI.

    AI SEO Tools
    Freemium
    Trending
    5.0
    368K/mo
    +21.0%

    Quick comparison

    Monthly Traffic
    Circleback220K
    HARPA AI368K
    Traffic Growth
    Circleback+13.0%
    HARPA AI+21.0%
    User Rating
    Circleback5.0
    HARPA AI5.0
    Total Reviews
    Circleback51
    HARPA AI70

    About Circleback

    Circleback transcribes your meetings and crafts notes and follow-up emails using AI. It works with Zoom, Google Meet, Microsoft Teams, Slack huddles, and in-person conversations. It also provides AI-powered search for past meetings.

    Based in Circleback AI, IncLaunched May 30, 2023

    About HARPA AI

    HARPA AI is a Chrome Extension and AI-powered NoCode RPA platform that automates web tasks, saving time and money. It provides AI answers to search queries, summarizes web pages, extracts data, tracks prices, monitors articles, detects competitor changes, and more. HARPA AI combines ChatGPT, Claude, Gemini, and other AI models to automate online work, including searching, writing, coding, and summarizing.

    Based in HARPA AI TECHNOLOGIES LLCLaunched March 7, 2023

    Detailed comparison

    AttributeCirclebackHARPA AI
    CategoryAI SEO ToolsAI SEO Tools
    Pricing modelFree TrialFreemium
    Launch dateMay 30, 2023March 7, 2023
    PlatformsWebsiteWebsite
    Monthly traffic220K368K
    Region focusUnited StatesUnited States
    User rating5.0 (51)5.0 (70)
    Estimated revenueN/AN/A

    Feature comparison

    Click any row to see how each tool implements the feature.

    SupportedPartialNot supported
    Feature
    CirclebackRebrand· 0
    HARPA AIRebrand· 18
    AI SEO features· 12
    Integrations· 51
    Gmail
    A: native
    B: native
    Zapier
    A: zapier
    B: native
    Amazon
    B: native
    Anthropic Claude
    B: api
    Attio
    A: native
    Azure
    B: api
    Brave
    B: native
    ChatGPT (Web Session)
    B: native
    Chrome
    B: native
    Claude (Web Session)
    B: native
    CLI
    A: api
    DeepSeek
    B: api
    Edge
    B: native
    Facebook
    B: native
    Firefox
    B: native
    Fiverr
    B: native
    Google Calendar
    A: native
    Google Gemini
    B: api
    Google Gemini (Web Session)
    B: native
    Google Search
    B: native
    HubSpot
    A: native
    Instagram
    B: native
    Linear
    A: native
    LinkedIn
    B: native
    Make
    A: native
    Make.com
    B: native
    MCP
    A: native
    MCP (Model Context Protocol)
    B: api
    Monday
    A: native
    n8n
    B: native
    Notion
    A: native
    Ollama (local LLMs)
    B: api
    OpenAI
    B: api
    OpenRouter
    B: api
    Opera
    B: native
    Outlook
    A: native
    Perplexity
    B: api
    Pinterest
    B: native
    Quora
    B: native
    Salesforce
    A: native
    SerpApi
    B: api
    Slack
    A: native
    Stack Overflow
    B: native
    Straico
    B: api
    TikTok
    B: native
    Twitter
    B: native
    Upwork
    B: native
    Webhook
    A: webhook
    xAI Grok
    B: api
    YouTube
    B: native
    Zoho
    A: native
    Built for· 4
    Enterprise
    A: 1 use-case
    Other
    B: 6 use-cases
    Small teams and growing businesses
    A: 1 use-case
    Solo creators and independent professionals
    A: 1 use-case

    Frequently asked

    Circleback

    Circleback

    Does Circleback work in-person?

    Can I use Circleback without a bot?

    Does Circleback work on my phone?

    Is my data used to train AI models?

    What meeting platforms does Circleback work with?

    HARPA AI

    HARPA AI

    What is included in DEMO plan?

    You can use HARPA for free on a DEMO plan within free limits: Access ChatGPT, Claude, Gemini on web session connections, limited to 10 message a day. Up to 100 total AI command runs, page-aware, web-aware, and parameterized AI messages. Access to predefined and custom commands, and web monitors.

    What are Power Messages?

    Power Messages are AI commands, page-aware, web-aware or parameterized AI messages sent in chat. Power messages have a daily rate limit on Free plan. Upgrade to S-tier plan for unlimited power messages.

    What are Spaces?

    Space is a personal, team or organization workspace, and is a place for storing your commands. On S plan you can connect multiple members to your space to share commands across your team and organization.

    What are Megatokens?

    Megatokens are consumed when sending chat requests on the fast and reliable HARPA Cloud GPT connection. 1 Megatoken is 1 million input tokens on efficient models and is roughly 750,000 words of input text in English. Output tokens cost x3 input tokens.

    X vs S-tier. Which to pick?

    S1 and S2: Both plans include the same Cloud AI connections. S2 offers 3x more megatokens at a marginally higher price. X-tier: One-time payment with lifetime access. Bring your own API keys to control costs, or use unlimited Web Session connections for life.

    Positioning

    Both Circleback and HARPA AI occupy similar territory. Differentiation comes from feature depth, pricing model, and ecosystem fit.

    Traffic sources

    Circleback

    Direct
    62.81%
    Search
    30.08%
    Referrals
    5.33%
    Social
    1.19%

    Worldwide • desktop only

    HARPA AI

    Direct
    59.76%
    Search
    32.30%
    Referrals
    5.69%
    Social
    1.63%

    Worldwide • desktop only

    Top regions

    Circleback

    United States44%
    Japan24%
    Vietnam7%
    France3%
    Germany3%

    HARPA AI

    United States15%
    Brazil9%
    India7%
    Spain6%
    China5%

    Ratings & social proof

    Circleback

    5.0/ 5.0
    (51 reviews)

    HARPA AI

    5.0/ 5.0
    (70 reviews)
    Trending