Knack vs Stackby

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Knack

See full pricing history

USD · US · source: www.knack.com

Plan	Pricing	Charged by	Offer type
Starter	USD 59 monthly · USD 49 / month with annual commitment $59 / month, billed monthly	Flat · / month, billed monthly	Standalone · Fixed
Pro	USD 130 monthly · USD 110 / month with annual commitment $130 / month, billed monthly	Flat · / month, billed monthly	Standalone · Fixed
Corporate	USD 300 monthly · USD 250 / month with annual commitment $300 * per month / month, billed monthly	Flat · / month, billed monthly	Standalone · Starting at
Enterprise	Contact sales Contact for Pricing	Flat	Standalone · Contact sales

Stackby

See full pricing history

USD · US · source: stackby.com

Plan	Pricing	Charged by	Offer type
Free — Free	Free $0 Per seat per month, billed monthly	Seat · Per seat per month, billed monthly	Standalone · Free
Economy — Economy Highlighted	USD 9 monthly · USD 4.2 / month with annual commitment $9 Per seat per month, billed monthly \| $4.2 user / month billed annually	Seat · Per seat per month, billed monthly	Standalone · Fixed
Business — Business	USD 18 monthly · USD 8.3 / month with annual commitment $18 Per seat per month, billed monthly \| $8.3 user / month billed annually	Seat · Per seat per month, billed monthly	Standalone · Fixed
Pro — Pro	USD 35 monthly · USD 12.5 / month with annual commitment $35 Per seat per month, billed monthly \| $12.5 user / month billed annually	Seat · Per seat per month, billed monthly	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Knack

Starter

Core capabilities Database Records: 20,000

Included
AI AI Credits: 25

Included
Core capabilities Applications: 3

Included
Core capabilities File Storage: 2 GB

Included
Core capabilities Record Change History: Excluded
Branding Custom Domains: Excluded
Highlights Remove Knack Branding: Excluded
Users & roles App Shared Builders: 1

Included
Highlights Scheduled Tasks: Excluded
Building Blocks Ecommerce Payments: Excluded

Pro

Core capabilities Database Records: 50,000

Included
AI AI Credits: 50

Included
Core capabilities Applications: Unlimited

Included
Core capabilities File Storage: 10 GB

Included
Core capabilities Record Change History: 1 month

Included
Branding Custom Domains: 1

Included
Highlights Remove Knack Branding: Included
Users & roles App Shared Builders: Unlimited

Included
Highlights Scheduled Tasks: Included
Building Blocks Ecommerce Payments: Included
Security / Compliance 2FA for app users: Included
Highlights App Restores: Excluded

Corporate

Core capabilities Database Records: 125k – 2.5m

Included
AI AI Credits: 100

Included
Core capabilities Applications: Unlimited

Included
Core capabilities File Storage: 50 GB

Included
Core capabilities Record Change History: 2 months

Included
Branding Custom Domains: 3

Included
Highlights Remove Knack Branding: Included
Users & roles App Shared Builders: Unlimited

Included
Highlights App Restores: Included
Security / Compliance Advanced SSO: Advanced SSO

Included
Support Dedicated Account Manager: Excluded

Enterprise

Core capabilities Database Records: 2.5 Million+

Included
AI AI Credits: Included
Core capabilities Applications: Included
Core capabilities File Storage: Included
Core capabilities Record Change History: 3 Months

Included
Support Dedicated Account Manager: Included
Security / Compliance HIPAA / GovCloud-based options: Included
Highlights Private Server Environment Options: Included
Support Enhanced Customer Support: Included
Security / Compliance Advanced SSO: Advanced SSO

Included

Stackby

Free — Free

Highlights Editors per workspace: 5

Included
Highlights Read-only users per workspace: 50

Included
Highlights Stacks: 20

Included
Highlights Rows per stack: 1,500

Included
Highlights Attachment space per stack: 2 GB

Included
Highlights Internal Automation Runs: 100

Included
Highlights File upload limit: 2MB

Included
Highlights Apps per stack: 1

Included
Highlights Activity history: 2 weeks

Included
Highlights Column linked API connectors: 2

Included
Highlights Refresh cell update method: Manual

Included

Economy — Economy

Highlights Guests (read-only): Unlimited

Included
Highlights Stacks: 25

Included
Highlights Rows per stack: 7,000

Included
Highlights Attachment space per stack: 6 GB

Included
Highlights Internal Automation Runs: 1,000

Included
Highlights File upload limit: 5MB

Included
Highlights Apps per stack: 3

Included
Highlights Activity history: 6 months

Included
Highlights Column linked API connectors: 10

Included
Highlights Refresh cell update method: Automatic

Included
Highlights Automatic API runs per month: 500

Included
Highlights Internal automation run history: 6 months

Included
Highlights Synced tables per stack: 5

Included
Highlights Custom Branded Forms: Included
Highlights Customization & Color Formatting Options: Included

Business — Business

Highlights Guests (read-only): Unlimited

Included
Highlights Stacks: 50

Included
Highlights Rows per stack: 50,000

Included
Highlights Attachment space per stack: 20 GB

Included
Highlights Internal Automation Runs: 25,000

Included
Highlights File upload limit: 25MB

Included
Highlights Apps per stack: 10

Included
Highlights Activity history: 12 months

Included
Highlights Database snapshots: Included

Included
Highlights Column linked API connectors: 15

Included
Highlights Refresh cell update method: Automatic

Included
Highlights Automatic API runs per month: 1,000

Included
Highlights Internal automation run history: 1 year

Included
Highlights Synced tables per stack: 10

Included
Highlights All Stackby Powerups (25+): Included
Highlights Table, column & View level Permissions: Included
Highlights Personal & Locked Views: Included
Highlights 2FA: Included

Pro — Pro

Highlights Guests (read-only): Unlimited

Included
Highlights Stacks: 100

Included
Highlights Rows per stack: 100,000

Included
Highlights Attachment space per stack: 50 GB

Included
Highlights Internal Automation Runs: 100,000

Included
Highlights File upload limit: 50MB

Included
Highlights Apps per stack: 20

Included
Highlights Activity history: 12 months

Included
Highlights Database snapshots: Included

Included
Highlights Column linked API connectors: 20

Included
Highlights Refresh cell update method: Automatic

Included
Highlights Automatic API runs per month: 5,000

Included
Highlights Internal automation run history: 1 year

Included
Highlights Synced tables per stack: 15

Included
Highlights All Stackby Powerups (25+): Included
Highlights Table, column & View level Permissions: Included
Highlights Personal & Locked Views: Included
Highlights 2FA: Included
Highlights Enterprise Admin Panel: Included
Highlights Priority Support: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Knack

August 27, 2026 Source
- Starter: USD 59 monthly · USD 49 / month with annual commitment
- Pro: USD 130 monthly · USD 110 / month with annual commitment
- Corporate: USD 300 monthly · USD 250 / month with annual commitment
- Enterprise: Contact sales
August 27, 2026 Source
- Starter: USD 59 monthly · USD 49 / month with annual commitment
- Pro: USD 130 monthly · USD 110 / month with annual commitment
- Corporate: USD 300 monthly · USD 250 / month with annual commitment
- Enterprise: Contact sales

Stackby

August 27, 2026 Source
- Free — Free: Free
- Economy — Economy: USD 9 monthly · USD 4.2 / month with annual commitment
- Business — Business: USD 18 monthly · USD 8.3 / month with annual commitment
- Pro — Pro: USD 35 monthly · USD 12.5 / month with annual commitment