Sites and apps similar to Trunao include Glide, which has a free version. Other options are AppSheet, digia studio, Softr and Microsoft PowerApps. Application Builders like Trunao are a crowded field, with more than 25 alternatives for Android, iPhone, Windows, iPad and Mac.
Calcapp is an app designer for Excel users with support for over 200 formula functions. Lay out your interface visually, connect formulas to fields and share your app with co-workers and customers. Apps work offline and can send PDF reports.
Sweden
EU
Doypp is an all-in-one visual app builder that helps everyone to build content-driven mobile applications in minutes, without coding skills and big budget.
Tigersheet is a web-based no-code platform that enables the creation of custom applications and allows process automation for any type of business or enterprise.
India
Creates portable web apps from plain-language briefs, Excel workbooks, or Google Sheets, generating pages, forms, linked data, formulas, role-based sign-in, and admin tools. Apps run on PHP 8.1+ with SQLite, without Node.js or a separate database server, and can be moved to another PHP host.
Canada
Ready-to-use development platform that accelerates the process of building business applications and internal tools.
United Kingdom
