{
  "company": {
    "name": "Fourth Frontier Technologies Private Limited",
    "website": "https://fourthfrontier.com/",
    "record": "https://startuphistory.org/c/fourthfrontier.com"
  },
  "status": null,
  "history_since": "2020-02-27T18:00:05.000Z",
  "baseline": {
    "snapshot_id": "321cf2b4a8b58a17f6f917fc57a20548a8d723d3d1197a74158da1a15dd7d2f9",
    "observed_at": "2020-02-27T18:00:05.000Z",
    "headline": "Fourth Frontier",
    "description": "Fourth Frontier have created he world's first and only wearable that listens to your lungs and heart, and helps you train and race better. Frontier X measures advanced physiological metrics on the run",
    "evidence": "https://web.archive.org/web/20200227180005/https://fourthfrontier.com/",
    "evidence_kind": "internet_archive",
    "facts": null,
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-06T17:03:29.805Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2022-01-10T03:49:31.000Z",
      "variants": [
        {
          "headline": "Fourth Frontier",
          "subhead": "Fourth Frontier have created he world's first and only wearable that listens to your lungs and heart, and helps you train and race better. Frontier X measures advanced physiological metrics on the run",
          "observed_at": "2020-02-27T18:00:05.000Z",
          "evidence": "https://web.archive.org/web/20200227180005/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Fourth Frontier",
          "subhead": "Frontier X is the world’s first and only consumer product that provides real-time feedback on your heart health - anytime, anywhere.",
          "observed_at": "2021-01-24T17:43:04.000Z",
          "evidence": "https://web.archive.org/web/20210124174304/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Fourth Frontier | Real-time ECG and Alerts",
          "subhead": "Frontier X is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere.",
          "observed_at": "2022-01-10T03:49:31.000Z",
          "evidence": "https://web.archive.org/web/20220110034931/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Fourth Frontier | Real-time ECG and Alerts",
      "subhead": "Frontier X is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere.",
      "from": "2020-02-27T18:00:05.000Z",
      "to": "2022-01-10T03:49:31.000Z",
      "captures": 3,
      "evidence": "https://web.archive.org/web/20220110034931/https://fourthfrontier.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
          "from": "2020-02-27T18:00:05.000Z",
          "to": "2022-01-10T03:49:31.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2023-02-09T01:56:11.000Z",
      "variants": [
        {
          "headline": "BUY NOW",
          "subhead": "Heart Rate Monitor in USA: Frontier X2 is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere. Buy now!",
          "observed_at": "2023-02-09T01:56:11.000Z",
          "evidence": "https://web.archive.org/web/20230209015611/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "BUY NOW",
      "subhead": "Heart Rate Monitor in USA: Frontier X2 is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere. Buy now!",
      "from": "2023-02-09T01:56:11.000Z",
      "to": "2023-02-09T01:56:11.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20230209015611/https://fourthfrontier.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2023-02-09T01:56:11.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-06T17:03:29.805Z",
      "variants": [
        {
          "headline": "Fourth Frontier Technologies LLC",
          "subhead": "Heart Rate Monitor in USA: Frontier X2 is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere.",
          "observed_at": "2024-07-22T15:04:25.000Z",
          "evidence": "https://web.archive.org/web/20240722150425/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Fourth Frontier Technologies LLC",
          "subhead": "Heart Rate Monitor in USA: Frontier X2 is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere.",
          "observed_at": "2025-07-11T03:53:23.000Z",
          "evidence": "https://web.archive.org/web/20250711035323/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Fourth Frontier Technologies LLC",
          "subhead": "Heart Rate Monitor in USA: Frontier X2 is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere.",
          "observed_at": "2026-07-13T10:12:50.000Z",
          "evidence": "https://web.archive.org/web/20260713101250/https://fourthfrontier.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Fourth Frontier Technologies LLC",
          "subhead": "Discover Continuous ECG wearables for heart monitoring. Track VO₂ Max, HRV, Training Load, ECG during exercise & more, with AFib detection & Arrhythmia analysis on supported devices.",
          "observed_at": "2026-11-06T17:03:29.805Z",
          "evidence": "https://fourthfrontier.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "Fourth Frontier Technologies LLC",
      "subhead": "Discover Continuous ECG wearables for heart monitoring. Track VO₂ Max, HRV, Training Load, ECG during exercise & more, with AFib detection & Arrhythmia analysis on supported devices.",
      "from": "2024-07-22T15:04:25.000Z",
      "to": "2026-11-06T17:03:29.805Z",
      "captures": 4,
      "evidence": "https://fourthfrontier.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "between": {
          "from": "2024-07-22T15:04:25.000Z",
          "to": "2026-11-06T17:03:29.805Z"
        }
      },
      "current": true
    }
  ],
  "changes": [
    {
      "n": 1,
      "id": "page-29688414b526693412d031c78a43dd2e71c9d8c96f5e52acbbfef7e37de9b793:fd25200a89f9d51ddf71766e52d8bd56949db3ce0a2a0e7f51e13e8a29a71060:hiring:20dd4c09cc4ab0aa",
      "before_evidence": "https://web.archive.org/web/20210124174304/https://fourthfrontier.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "hiring",
      "label": "Hiring",
      "summary": "Added a careers page.",
      "between": {
        "from": "2021-01-24T17:43:04.000Z",
        "to": "2022-01-10T03:49:31.000Z"
      },
      "evidence": "https://web.archive.org/web/20220110034931/https://fourthfrontier.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-careers-page"
    },
    {
      "n": 2,
      "id": "page-db8149bc0b6dc01bace4703ba9af43460116d0bbb4e08fe982942daca33f42db:a36a369fc5adf3106258ebc5e79f2b123a4d6a50bdf4f7eed84b845f53496698:headline:12338a179f9a2f7f",
      "before_evidence": "https://web.archive.org/web/20230209015611/https://fourthfrontier.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “BUY NOW” to “Fourth Frontier Technologies LLC”.",
      "between": {
        "from": "2023-02-09T01:56:11.000Z",
        "to": "2024-07-22T15:04:25.000Z"
      },
      "evidence": "https://web.archive.org/web/20240722150425/https://fourthfrontier.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 3,
      "id": "page-a36a369fc5adf3106258ebc5e79f2b123a4d6a50bdf4f7eed84b845f53496698:2fb38bee1c7b107c89ff91f83569014cee610e9acda854366e6a3dd4a00b5d70:compliance:14b34e3e7b1a336c",
      "before_evidence": "https://web.archive.org/web/20240722150425/https://fourthfrontier.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "compliance",
      "label": "Compliance",
      "summary": "Now states FDA CLEARED, FDA-CLEARED and HIPAA compliance on its homepage.",
      "between": {
        "from": "2024-07-22T15:04:25.000Z",
        "to": "2025-07-11T03:53:23.000Z"
      },
      "evidence": "https://web.archive.org/web/20250711035323/https://fourthfrontier.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-hipaa"
    },
    {
      "n": 4,
      "id": "page-2fb38bee1c7b107c89ff91f83569014cee610e9acda854366e6a3dd4a00b5d70:c6fbe8e7c8ccc93b1d8623bc7364346db44334cdb35e1b9716bfafce67ea31b5:traction:f5bae6d1c750b9e5",
      "before_evidence": "https://web.archive.org/web/20250711035323/https://fourthfrontier.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "traction",
      "label": "Traction",
      "summary": "Now claims “30,000+ Users” on its homepage (was “18,000+ Users”).",
      "between": {
        "from": "2025-07-11T03:53:23.000Z",
        "to": "2026-07-13T10:12:50.000Z"
      },
      "evidence": "https://web.archive.org/web/20260713101250/https://fourthfrontier.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/grew-traction-claims"
    }
  ],
  "update": {
    "headline": "Fourth Frontier updates compliance claims and user metrics",
    "summary": "Fourth Frontier Technologies Private Limited has updated its homepage to highlight regulatory and privacy claims and increased reported user numbers. The company has also adjusted its main headline and added a careers page in earlier periods.",
    "points": [
      {
        "text": "Between July 2024 and July 2025, Fourth Frontier Technologies Private Limited updated its homepage to state FDA CLEARED, FDA-CLEARED and HIPAA compliance.",
        "kind": "fact",
        "changes": [
          3
        ]
      },
      {
        "text": "Between July 2025 and July 2026, the company increased its reported user count on its homepage from “18,000+ Users” to “30,000+ Users”.",
        "kind": "fact",
        "changes": [
          4
        ]
      },
      {
        "text": "Between February 2023 and July 2024, the homepage headline changed from “BUY NOW” to “Fourth Frontier Technologies LLC”.",
        "kind": "fact",
        "changes": [
          2
        ]
      },
      {
        "text": "Between January 2021 and January 2022, the company added a careers page.",
        "kind": "fact",
        "changes": [
          1
        ]
      }
    ],
    "written_at": "2026-11-07T16:13:52.884Z",
    "basis": "ai_analysis",
    "model": "gpt-5.1-2025-11-13"
  },
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “Fourth Frontier Technologies Private Limited” company record, https://startuphistory.org/c/fourthfrontier.com"
}