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Knack is a hosted, database-backed app builder for business applications and portals. Replacing it means choosing which tradeoff matters most: lower listed starting prices, connections to existing REST APIs, source export or self-hosting. Create is the clearest fit when REST API connections matter; Mocha offers source export, while Adalo is listed as self-hostable. Starting prices do not establish the cost of a production app, so compare plans against your users, data and deployment needs before moving.
01Why people leave Knack
Code-level control is limited
Knack trades code-level control for hosted app building. Teams that need control over implementation should assess tools with source export or self-hosting.
Production pricing needs checking
Knack starts at $49, but the total for your users and workload depends on plan details. Compare the actual deployment, not just entry prices.
Hosted-platform dependence
A hosted app builder makes the platform part of your runtime. Check data portability and migration effort before moving a business-critical workflow.
02The alternatives, ranked by fit
- Best for REST APIs
CreateCreateCreate starts at $19 and has a free plan. It builds hosted web and mobile apps from prompts and connects to existing REST APIs, making it a fit when an app needs to work with services already in your stack. Before migrating, map Knack data and workflows to Create’s app model, and confirm production pricing and limits for your workload.
Trade-off: Hosted deployment; check plan limits and production costs.
7.2/10from
$19/mofree plan - Best for source export
MochaMochaMocha starts at $19 with a free plan and is a browser-based builder for full-stack apps. Its source export gives teams an option beyond keeping the entire app inside a hosted builder, though it is not a self-hosted platform. Compare what the export includes with your Knack app’s data and business logic before planning a migration.
Trade-off: Source export does not mean the platform can be self-hosted.
7.0/10from
$19/mofree plan - Best for Google teams
AppSheetAppSheetAppSheet starts at $5 and has a free plan, which gives teams a lower listed entry price than Knack’s $49 starting price. It suits Google Workspace-heavy teams building internal workflows and data-capture apps. Check per-user costs against your expected user count, and weigh the stated dependence on Google platforms before moving data and processes.
Trade-off: Per-user pricing and Google-platform dependence need review.
6.8/10from
$5/mofree plan - Best for spreadsheet data
StackerStackerStacker starts at $29 and builds portals over Airtable, Sheets or SQL without code. That makes it relevant when a Knack replacement should sit over existing spreadsheet or database data rather than require custom frontend development. It remains a hosted, plan-limited stack, so verify your chosen data source and plan against the production workflow.
Trade-off: Hosted plans limit the stack; check fit before migrating.
6.6/10from
$29/mo - Best for self-hosting
AdaloAdaloAdalo starts at $52 and has a free plan. It is listed as self-hostable and supports app-store publishing, which may suit teams that want to evaluate a deployment option beyond a hosted business-app builder. Check the self-hosting terms and production scaling requirements with the vendor, then estimate how much of your Knack app must be rebuilt.
Trade-off: Validate production scaling and deployment details before committing.
6.1/10from
$52/mofree plan - Best for operations apps
QuickbaseQuickbaseQuickbase starts at $35 and targets custom operations apps, manual workflow replacement, and project or field work coordination. It may fit teams whose Knack app is primarily an internal operations tool. The starting price alone is not a cost comparison: review its per-user costs and platform limits, then map the existing workflow before choosing it.
Trade-off: Per-user costs and platform limits need close review.
6.5/10from
$35/mo
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
 Knack Knack (current) | 6.8 | $49/mo | No | Internal business applications |
| Create Create | 7.2 | $19/mo | Yes | Founders prototyping full-stack products |
| Mocha Mocha | 7.0 | $19/mo | Yes | Founders prototyping a web app |
| AppSheet AppSheet | 6.8 | $5/mo | Yes | Google Workspace-heavy teams |
| Stacker Stacker | 6.6 | $29/mo | No | Customer portals on Airtable data |
| Adalo Adalo | 6.1 | $52/mo | Yes | Prototyping app ideas quickly |
| Quickbase Quickbase | 6.5 | $35/mo | No | Operations teams replacing manual workflows |
Questions people ask
Which Knack alternative has REST API support?
Create is the clearest match in this list: it connects to existing REST APIs and starts at $19, with a free plan. Confirm the endpoints, authentication requirements and production limits you need with the vendor. The vendor's site does not establish a broader API or SDK comparison across these platforms.
Which Knack alternative is cheapest?
AppSheet has the lowest listed starting price among these picks at $5, and it has a free plan. That is not a production cost estimate: AppSheet has per-user costs, so calculate the total for your expected team size and check the relevant plan before migrating.
Can I self-host a Knack alternative?
Adalo is listed as self-hostable, while Mocha is specifically described as having no self-hosted platform. Confirm Adalo’s deployment terms and production requirements with the vendor. If portability matters more than hosting, Mocha’s source export is another option to evaluate, but it is not self-hosting.