PouchDB uses indexedDB under the hood, falling back to webSQL when needed and its possible to plug in localStorage &#x2F; memory &#x2F; other adapters.<p>As for limits, desktop browsers are generally &#x27;unlimited&#x27; mobile browsers can be stricter and often people use wrapper projects (like cordova etc) to get round that and have unlimited storage.<p><a href="http:&#x2F;&#x2F;pouchdb.com&#x2F;faq.html#data_limits" rel="nofollow">http:&#x2F;&#x2F;pouchdb.com&#x2F;faq.html#data_limits</a>
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