Dex alternatives, by the gap you are feeling

Start by naming what you would lose

Before comparing anything, it is worth being accurate about what Dex actually does, because the alternatives lists tend to undersell it and then recommend something weaker.

Dex syncs Gmail and Outlook, Google Calendar, LinkedIn, your phone contacts and call history, WhatsApp, iMessage, Facebook and Instagram messages. It keeps one timeline per person and merges duplicates. It sets a keep-in-touch cadence per contact and reminds you. It tells you when someone in your network changes role. It resurfaces dormant contacts on its own. It has a card scanner, a browser extension, apps on every platform, an assistant you can chat with or talk to, an MCP server, and a ChatGPT app.

That is a serious product, and for the job most people have, which is keeping a few hundred relationships from going cold, it is the safe default. If you are leaving it, leave for a reason you can name in one sentence. Here are the five that come up.

Gap one, the introduction itself

This is the most common one, and it is not a feature gap so much as a different job.

Dex's assistant will draft introduction text. That is the easy part. The work in a warm introduction is the sequence around the words: asking each side privately whether they want it, waiting, sending the introduction from your own address only once both have agreed, then noticing four days later that nobody replied. Dex has no consent step, no introduction record, and nothing that watches for the answer. Its assistant states plainly that it cannot send email or messages on your behalf.

For most people that does not matter. For advisors, angel investors, fractional executives and anyone whose value to others is who they can connect, it is the whole job. The guide to making a warm introduction sets out why doing it properly takes twenty minutes and three emails, which is exactly the part a personal CRM leaves on your desk.

Three tools take that on, and they are not interchangeable. Bridge gives a fund or community an introlink so people can request an introduction from you without an account, runs the double opt-in, and sends from your address. It is built for the platform team at a firm, it has no AI, and it waits for someone to ask rather than noticing anything itself. Boardy is a broker with its own network: it phones you, learns what you need, and introduces you to its people with consent on both sides, which is useful but is not your network. NetworkOS is the one built for the individual connector. It reads Gmail, Calendar and LinkedIn, finds who in your own network fits a need you describe in plain English, drafts the consent ask and the introduction in your voice, sends both from your own Gmail, watches for the replies, and tracks which pairs it has already connected so nobody is asked twice. Where it is weaker than Dex: it is Google-only today, with no WhatsApp, iMessage or phone-contact sync, and it has no public request link the way Bridge does.

Gap two, an assistant that acts rather than suggests

Related but distinct, and worth separating because it catches people out.

Dex's AI surface is genuinely broad. Copilot searches, creates and updates contacts, sets reminders, summarises your history with someone. Voice mode does a subset hands-free. The MCP server and the ChatGPT app put all of that inside an assistant you already have open. If what you wanted from AI was to ask questions about your network, Dex has already built it and you should not switch for that.

The line it does not cross is action. The assistant cannot send. Mail Merge can send from your own account, but it is a reviewed campaign to a list rather than something that handles one relationship end to end and then follows the thread. If your mental model is "tell the assistant to reach out and let it finish the job", that is a different category of tool, and today it mostly means the introduction tools above.

Gap three, more than one person on the same network

Dex is single-user by design. Its own comparison marks multiple users in one workspace as unsupported, and the team product is a separate thing you talk to sales about.

If two or three people need to see the same relationships, this is a hard stop rather than an inconvenience, and the answer depends on scale. Folk is the lightest, built for a founder or small agency sharing lists, and it is easy to start. 4Degrees and Affinity are the deal-team standard: both capture every relationship across a firm from everyone's inbox and calendar, score the strength of each, and let anyone find the warmest path to a company. Both are built and priced for teams with no individual tier, which is the trade. Bridge again if what you are sharing is the ability to request an introduction rather than the contact records.

Gap four, your data on your own machine

Dex does not offer self-hosting. It does let you export, as three separate CSV files for contacts, timeline and network updates, and it says plainly that it does not sell data.

If that is not enough, Monica is the alternative, and it is the only serious one. Open source, self-hostable, everything stays where you put it. The cost is the thing that makes Dex good: Monica does not read your inbox, so the history is only as good as what you type in, and almost nobody keeps that up past the first month. Go in knowing you are trading automatic history for control, because that is the actual trade.

Gap five, recall from what was said

Dex builds its timeline from who you contacted and when. Its assistant sees email metadata only, sender, subject, date and a snippet, and never the full body. On WhatsApp and iMessage it keeps the most recent message per contact rather than a searchable history.

That is a deliberate privacy posture and a reasonable one. It also means Dex can tell you that you met someone in March and not what you agreed in the meeting. If the question you actually need answered is "what did we say we would do", look at Corbo, which builds a map from email, calendar, messages and notes and is strongest at recall: ask about a person and get the history back. It drafts introductions without sending them, and it has been invite-only. Clay solves a neighbouring problem, enriching each contact with public information and news so you know what changed before you reach out, which is different from remembering what was said.

What to do with the shortlist

Pick by the gap, then check two things before you move.

First, whether the new tool reads the channels your relationships actually live in. If half your network is on WhatsApp, a Google-only tool is a downgrade no matter how good the rest of it is, and Dex's channel coverage is the widest in this group.

Second, run it against your real inbox for a month rather than a demo account. Every tool here looks similar on a comparison page and obviously different once your own history is in it. Dex exports to CSV, so leaving later is a real option rather than a threat.

And if the honest answer is that Dex does everything you need and you were only browsing, stay. Switching costs a month of history quality, and most of these gaps only bite if the gap is your job.

The short version

Dex is the strongest general-purpose personal CRM and the widest on channels. People leave it for five specific things: running an actual introduction rather than drafting one, an assistant that can send, a shared network for a team, self-hosted data, and recall of what was said rather than who was contacted. Those point at five different tools. Name your gap in one sentence first, and the choice mostly makes itself.