HubSpot Gmail extension: how to install it, what it does and where it hits its limits

If you use HubSpot and live in Gmail all day, you will end up at the HubSpot Gmail extension sooner or later. The promise is appealing: track emails, log conversations on the right contact automatically and send templates, all without leaving your inbox. It largely delivers on that. But the extension also has a set of limitations that HubSpot does not put on the install page, and you are better off knowing them upfront than after three months of use. This article walks through the installation, the features and the limits, and looks at when a custom CRM is the better choice.

What the HubSpot Gmail extension actually is

Its official name is HubSpot Sales, an extension for Google Chrome. After installing it, a HubSpot toolbar appears in your Gmail compose window and a sidebar shows up next to your inbox. That sidebar displays the HubSpot contact record of the person you are emailing: previous conversations, open deals, notes from colleagues. The compose window gets buttons for tracking, logging, templates and meeting links. So the extension is not a separate program but a layer on top of Gmail that talks to your HubSpot account.

Installing the HubSpot Gmail extension in four steps

• Install the HubSpot Sales extension from the Chrome Web Store. This only works in Chrome on desktop, not in Safari or Firefox and not on your phone.
• Open Gmail and sign in with your HubSpot account when the extension prompts you.
• Connect your Gmail inbox to HubSpot. This step is required to log emails onto contact records; installing the extension alone is not enough.
• Decide in the extension settings whether tracking and logging are on by default. Default-on is convenient for sales, but it also means personal emails can end up in the CRM by accident if you are not paying attention.

What the HubSpot Gmail extension can do

The free version is fairly complete for a free tool. The main features:

• Email tracking: you get a notification the moment a recipient opens your email, and your activity feed shows who opened what and when.
• Automatic logging: sent emails are recorded on the contact record in HubSpot, so the whole team sees the conversation history.
• Templates and snippets: insert frequently used emails and text blocks without copying from a document.
• Meeting links: insert a booking link that lets the recipient put a meeting straight into your calendar, provided your calendar is connected.
• Creating contacts: turn an unknown sender into a HubSpot contact with one click.
• The sidebar: view contact details, deals and previous activity next to the email you are reading.

The limitations you will run into

After a few weeks of use, the limits come into view. Some are technical, some are commercial: the extension is also a sales channel for HubSpot's paid plans.

• Chrome on desktop only. The extension does nothing in the Gmail app on your phone, so emails you send on the road are not tracked or logged.
• One personal mailbox per user. A shared inbox like info@ or support@ cannot simply be connected.
• Sequences, automated follow-up series, sit behind Sales Hub Professional. The button does not even appear if you are on the free or Starter plan.
• Tracking works with an invisible pixel. Email clients that preload or block images, such as Apple Mail with privacy protection, make open rates less reliable than the dashboard suggests.
• Under the GDPR, tracking individual opens is not a free-for-all. With privacy settings enabled, HubSpot only logs opens for contacts with a recorded legal basis for processing, and enabling those settings is on you.

The pattern is familiar to anyone who works with tools like this: the free tier is good enough to get attached to, and the features you want next sit in a more expensive plan. There is nothing dishonest about that, but it does mean the real cost of "a free Gmail extension" only becomes visible after a few months, once the whole team depends on it.

When a custom CRM makes more sense than HubSpot

For many teams, HubSpot with the Gmail extension is a perfectly good setup, especially early on. The tipping point usually comes at one of two moments. The first: you are paying for more and more seats and hubs while using a fraction of the features, because one indispensable feature happens to live in that plan. The second: your process does not fit HubSpot's standard fields and pipelines, and your team works around it with spreadsheets and loose notes. At either moment, a custom CRM is worth considering: a system that follows your process exactly, where a Gmail connection is simply one of the API integrations you have built, and where no features sit behind a higher tier because you own the system.

A tool is only cheap if it stays cheap at the moment you actually need it.

How Datagrove helps

Datagrove is a development agency in Amsterdam. We build platforms, integrations and custom CRM systems for SMBs and scale-ups. That does not start from the assumption that HubSpot has to go: for many clients we set up HubSpot and the Gmail extension properly, with the right logging settings, a clean GDPR configuration and integrations into the rest of their systems. And if the analysis shows you are outgrowing HubSpot, we build a custom CRM including the email integration, and migrate your data without losing the conversation history.

Wondering whether HubSpot still fits, or want help setting up the Gmail extension properly for your team? Schedule a no-obligation call. We will tell you honestly whether your current setup is enough or not.