Best App Builders tools, ranked
Building a real app without code means databases, logic and integrations that hold up under load. We ranked these on how much you can build before hitting a wall — and what it costs when you do.
Tools in App Builders
Ranked by our score; unscored tools come last. The criteria are below.
Glide
from $25 a monthGlide builds mobile and web apps from spreadsheet data with a drag-and-drop interface, ideal for quick internal apps and prototypes without code.
App BuildersFreemiumScore 4.6/5
Bubble
from $59 a monthBubble is a no-code platform for building full web applications with a visual editor, database and workflow logic, used to ship MVPs, internal tools and marketplaces.
App BuildersFreemiumScore 4.5/5
Softr
from $19 a monthSoftr turns Airtable and Google Sheets data into client portals, internal tools and websites with no code, using pre-built blocks and templates.
App BuildersFreemiumScore 4.5/5
The four things this ranking is built from
The order above is computed, not curated. These are the four columns it is computed from, and the questions each one is really asking.
What the vendor documents
35 pointsPublished capabilities, weighted by how much each one decides whether you can adopt a tool and later leave it. An API and a data export carry the most; templates and a mobile app carry the least.
If you had to move everything out of this tool next year, does the vendor document how?
Whether the price is published
25 pointsPlans with real numbers attached score highest. Tiers listed without prices score a fraction of that, and "contact sales" with nothing behind it scores nothing at all.
Can you work out what this will cost you without talking to anyone?
Whether you can try it first
20 pointsA genuine free tier scores full marks. A tool with no way in scores zero here — not because it is worse, but because you commit before you know.
Can you test it on your own work before the first invoice?
What it connects to
20 pointsThe breadth of the published integration list. A tool that names nothing scores nothing, which is a statement about its documentation rather than about its connectors.
Is the thing you already use on the list — and is that list published anywhere?
The full scoring formula, and what the score deliberately does not measure
Questions this ranking answers
What is the highest-rated App Builders tool?
Glide, at 4.6 out of 5 — the top of this ranking. Read that as a transparency-and-capability score rather than a quality verdict: it says Glide documents more of what it does, publishes its prices and can be tried or left more easily than the rest of the App Builders field. Whether it suits your work is a separate question, and the tool page is where to answer it.
How does StackZen rank App Builders tools?
By a computed score, not an opinion. Four published, checkable things go in — documented capabilities, whether prices are public, whether there is a free way in, and the breadth of the integration list — and the order above is the result, recomputed whenever the data changes. StackZen does not test these tools, and says so; nothing in the formula is a commission rate, and paying us cannot move a tool up this page.