Softr covers the single most common thing people build in Bubble: a portal where users log in and see data that belongs to them. It assembles that from pre-built blocks over an Airtable base or a Google Sheet, with memberships and a custom domain on its paid tier, which is weeks of Bubble work reduced to an afternoon of configuration. The trade is control. Its own notes name being tied to external data sources and offering less customisation than Bubble, and the design ceiling is much lower. If your project is a portal with a modest amount of logic behind it, this is the switch that saves the most time. If the logic is the product, it will not stretch far enough and you will feel that quickly.
Glide is the quickest way in this directory to get from data to a working app, particularly a mobile one, and it is the strongest choice for internal tools and field apps that a small team will actually use on a phone. It builds from spreadsheet or Airtable data with drag-and-drop, carries a free tier that is genuinely usable, and asks almost nothing of what Bubble asks. It is also the clearest about its ceiling: its own notes say it is limited for complex logic and that scaling costs rise. Read that as a hard boundary rather than a caution. For an internal app it rarely matters; for a public marketplace, which it also names as a poor fit, it matters immediately.
Webflow is here for the project that started as an app and turned out to be a website. Bubble's own guidance says not to use it when you just need a marketing site, and Webflow is what that sentence points at: a design tool that outputs a production-grade site with a CMS and hosting behind it, editable afterwards by people who did not build it. It is not easier than Bubble, and it is classified as low-code for much the same reason, but the effort buys design control and content structure rather than application behaviour. It stops exactly where Bubble starts, because its own guidance says to look elsewhere for a full web app with complex logic.
Airtable is the entry on this list most likely to be dismissed and most likely to be right. A large share of internal Bubble projects are a shared database with a friendlier front end, and Airtable already provides the database, several views of the same records for different teams, and automations that trigger when a record changes. If the people using your app are colleagues rather than customers, that may be the entire requirement, at a fraction of the build. Its own limits are honest: record caps on lower tiers and a bill that grows with seats. And it is not an app, so anything a customer would see still needs Softr or Glide sitting on top of it.
Framer earns a place at the bottom of this list for a narrow reason: the pages that sell the app are not the app, and building them inside an application platform is a poor use of both. Framer produces animated, responsive marketing pages quickly, on a low entry tier, and asks very little in the way of learning. Plenty of teams run exactly this split, with the product on one platform and the front door on another, and it usually costs less than making one tool do both jobs badly. It is not a Bubble replacement in any other sense: its own guidance names complex database-backed apps as a reason to look elsewhere, and that is precisely what Bubble is for.