No-Code · head to head
Momen vs Stacker
Momen
No-Code
Full-stack web app builder with its own Postgres database and a GraphQL API over your tables
- From
- Free
- Rated
- -
Stacker
No-Code
Permissioned portals over data that stays in Airtable, Salesforce or Postgres
- From
- On request
- Rated
- -
The short version
- Only Momen has a free tier, so it costs nothing to try first.
- Each has a real cost: Momen there is no source code export and no self-hosting, so if the vendor changes direction or pricing, migration means rebuilding the application from scratch against exported data.; Stacker there is no source export and no self-hosting, so leaving means rebuilding the entire interface and permission model elsewhere, even though the underlying records remain yours.
- They diverge on capability: Momen covers Built-in Postgres database, Stacker covers Per-record permissions.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Momen and Stacker actually diverge.
Identical on both: pricing model (quote), platforms (Web), user rating (Not yet rated), category (No-Code).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Momen
- Built-in Postgres database
- GraphQL API over your data
- Row-level access rules
- Authentication
- Payments and subscriptions
- Server-side actions
- Responsive web output
- Hosting and custom domains
Only in Stacker
- Per-record permissions
- External user portals
- Live connection to the source
- Page and layout builder
- Workflow actions
- Custom domains and branding
- User onboarding
- Role based navigation
What people use each for
The jobs each tool is most often brought in to do.
Momen
- Building a two-sided marketplace where the data model and permissions matter more than the visual designnot Stacker
- Shipping a subscription product with billing included rather than wiring payments into a separate buildernot Stacker
- Teams that want database, authentication, API and hosting on one bill instead of four vendorsnot Stacker
- Founders who can think in tables and relations but cannot write application codenot Stacker
Stacker
- Giving clients a login that shows only their own records inside an internal Airtable basenot Momen
- Contractor or franchisee portals where each account must see one slice of a shared datasetnot Momen
- Replacing a spreadsheet emailed to partners with a permissioned live view of the same datanot Momen
- Putting a usable interface on a Salesforce or Postgres dataset for users who should never see the underlying systemnot Momen
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Momen
- There is no source code export and no self-hosting, so if the vendor changes direction or pricing, migration means rebuilding the application from scratch against exported data.
- It is a young platform with a small team, so the template library, the pool of community answers and the third-party integration marketplace are all thin next to Bubble or WeWeb.
- The learning curve is real, because you are exposed to schemas, relations, queries and access rules, which stops it serving the audience that spreadsheet-backed builders serve.
- Mobile applications are web output rather than native builds, so anything needing real device capability or an app store listing is a wrapper rather than a native app.
- Support and documentation come from the vendor rather than a large user base, so an unusual problem escalates to the same small team everyone else is waiting on.
Stacker
- There is no source export and no self-hosting, so leaving means rebuilding the entire interface and permission model elsewhere, even though the underlying records remain yours.
- Performance is bounded by the data source, so an Airtable base near its row limit or an API under rate limiting produces a slow portal that no amount of Stacker configuration will fix.
- Pricing distinguishes internal editors from external portal users, so a portal that succeeds by adding hundreds of light-touch external users can end up costing more than the internal system it fronts.
- Custom logic is limited to the actions and conditions the builder exposes, so anything resembling a calculation engine or a branching multi-step approval hits a wall and needs an external automation tool bolted on.
- It is a portal and CRUD tool by design, with no offline mode, no native mobile application and no real reporting layer, so it will not be the only system a growing operation runs.
Pricing, plan by plan
Momen
Free- Momen$undefined/month
- Free tier for building and testing
- Paid tiers add custom domains, higher resource limits and removal of platform branding
- Priced by plan tier and resource usage rather than per end user
Stacker
On request- Stacker$undefined/month
- Priced by workspace tier with caps on apps and users
- External portal users charged differently from internal editors
- Higher tiers add permission depth and support
Which should you pick?
Choose Momen if
- You need built-in postgres database.
- You want to start without paying.
- You also want graphql api over your data.
Questions people ask
- Is Momen or Stacker better?
- Neither clearly leads. Momen starts at Free and Stacker at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Momen or Stacker?
- Momen has a free tier; the other does not. Paid plans start at Free for Momen and On request for Stacker.
- Does Momen or Stacker run on more platforms?
- Both run on Web, so platform support will not decide this one for you.
- Can I use Momen for free?
- Yes. Momen has a free tier, so you can try it without paying. Stacker starts at On request.
- What is Momen best used for?
- Momen is most often used for building a two-sided marketplace where the data model and permissions matter more than the visual design, shipping a subscription product with billing included rather than wiring payments into a separate builder, teams that want database, authentication, api and hosting on one bill instead of four vendors, founders who can think in tables and relations but cannot write application code. Of those, building a two-sided marketplace where the data model and permissions matter more than the visual design and shipping a subscription product with billing included rather than wiring payments into a separate builder are not what Stacker is typically brought in for.
- What can Momen do that Stacker cannot?
- Momen covers Built-in Postgres database, GraphQL API over your data, Row-level access rules, Authentication. Stacker covers Per-record permissions, External user portals, Live connection to the source, Page and layout builder.
Answered from the vendors’ own pages
Momen: Do I need a separate backend?
No. The database, authentication, API and payments are part of the platform, which is the main difference from builders that expect you to bring Supabase or Airtable.
Stacker: Where does my data live?
In the source you connect: Airtable, Salesforce, HubSpot, Google Sheets or your own Postgres. Stacker reads and writes to it rather than becoming the system of record.
Momen: Can I get my data out?
Yes. The Postgres data exports and is reachable over a GraphQL API. The application itself is not exportable.
Stacker: Can I export the app if I cancel?
No. The data stays in your source system, but the interface, permissions and workflows are Stacker configuration and do not come with you.
Momen: Can I self-host it?
No. It runs on vendor infrastructure only, so a data residency requirement rules it out.
Stacker: Is it suitable for hundreds of external users?
Technically yes; check the pricing arithmetic first, because external portal users are charged separately and that is where the bill grows.
Momen: Is it suitable for a non-technical founder?
Only one willing to learn data modelling. If you want to point at a spreadsheet and get an application, this is the wrong end of the category.
Stacker: Will it replace Airtable?
No, it sits in front of Airtable. If the base itself is at its limits, the fix is moving the data to Postgres rather than changing the portal.
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