| quietstats | Yes | Bring your history across from Plausible (CSV export or API key) or Google Analytics 4 (CSV).Every plan, including Free | This page |
| Google Analytics 4 | Partly / different approach | Data Import joins CSV data from your CRM or CMS; not a history import from another analytics tool | support.google.com (opens in a new tab) |
| Plausible | Yes | Google Analytics import and CSV import | plausible.io (opens in a new tab) |
| Fathom | Yes | Import historical GA4 data | usefathom.com (opens in a new tab) |
| Simple Analytics | Yes | Import GA4 history | simpleanalytics.com (opens in a new tab) |
| Umami | Yes | Import from Google Analytics, Plausible, Matomo and morePlan: Pro and up | umami.is (opens in a new tab) |
| GoatCounter | Partly / different approach | Import from server log files, or send data from your backend | goatcounter.com (opens in a new tab) |
| Matomo | Yes | Google Analytics data importer and server log import | matomo.org (opens in a new tab) |