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SPECIFICTION
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Isomer vs WebSG

Isomer

isomer.gov.sg

WebSG

home.web.gov.sg

Side by side

FigureIsomerWebSG
Price fromFreeFree
Free planYesYes
Free trial—Yes
Open sourceYes—
WebYesYes
Plans published11
Spec score · Government Website Builders8.3 (#5)7.1 (#22)
ComplianceThe service states that it covers relevant IM8 and Digital Services Standards requirements for hosted sites.WebSG states that it is fully IM8 compliant and adheres to Digital Service Standards.
MakerIsomer is built and managed by Open Government Products.The site identifies WebSG as a Government of Singapore product.
PurposeIsomer is a free website builder for government agencies to create and launch static websites without coding expertise.WebSG is a self-service website builder for government agencies to create, manage, and publish websites without technical teams.

Plans

Isomer

  • IsomerFree

Isomer pricing →

WebSG

  • Free startFree

WebSG pricing →

In their own words

Isomer

Isomer is a free website builder for Singapore government agencies and public healthcare institutions to create static websites without coding. Its Isomer Studio editor lets public officers build, edit, and publish pages with drag-and-drop controls. Publishing supports review requests, approvals, and release of approved changes. Agencies can select page layouts, combine components, and customize colours, logos, and favicons.

Accessibility prompts cover essential fields, while templates and components are designed to support accessible sites. SEO features include predefined headings, generated tables of contents and folder index pages, image alt text, and customizable meta descriptions. Open Government Products builds and manages Isomer. Its team handles hosting, maintenance, support, and compliance with relevant IM8 and Digital Service Standards clauses, and centrally manages security testing and audits. Isomer does not provide website design services or custom layouts. Domain costs and third-party services such as web monitoring may be extra.

Visit isomer.gov.sg

WebSG

WebSG is a self-service website builder for Singapore government agencies creating and publishing public-facing information sites without technical teams. Its visual editor is intended for sites such as campaigns and resource hubs and does not require design or coding skills. Agencies can upload CSV files to create searchable, filterable directory pages for material such as courses, events, or news archives. WebSG manages infrastructure and hosting, security controls, automated updates, and platform deployments. Agencies remain responsible for managing site access, domain and DNS settings, enabling DNSSEC on their DNS servers, and registering their sites with Whole-of-Government Application Analytics. Access is limited to Public Officers with a valid WOGAD or TechPass account. Trial sites can be created instantly and last 90 days. The platform is approved for Official (Closed) and Sensitive (Normal) data; WebSG states that it is fully IM8 compliant and adheres to Digital Service Standards. It runs on the web, and editing is best suited to a modern desktop browser; mobile devices are not supported for site editing. WebSG does not support transactional services such as payments, complex logic, or custom API integrations. A free start is listed at free; paid plan details are available by contact.

Visit home.web.gov.sg