Apps like Invention Manual

Here are some great alternatives to Invention Manual by Callan Hodgskin :
Inventions and Discoveries
Inventions and Discoveries
★4.0
Pettson's Inventions
Pettson's Inventions
★3.9
Pettson's Inventions 2
Pettson's Inventions 2
★4.3
Inventions and Inventors App
Inventions and Inventors App
★3.8
Invent Idea
Invent Idea
★4.3
Patent Services USA
Patent Services USA
★3.2
Inventioneers Full Version
Inventioneers Full Version
★4.5
Inventioneers
Inventioneers
★3.9
Grial UIKit
Grial UIKit
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C# Shell .NET IDE
C# Shell .NET IDE
★4.3
Android Development Course
Android Development Course
★4.6
Learn hybrid Android app
Learn hybrid Android app
★5.0
Learn Dart & Flutter
Learn Dart & Flutter
★4.2
RPI Mobile
RPI Mobile
★4.1
App Builder
App Builder
★3.6
Learn App Development
Learn App Development
★4.8