When comparing Textastic vs EmEditor, the Slant community recommends Textastic for most people. In the question“What are the best programming text editors?” Textastic is ranked 47th while EmEditor is ranked 60th.
Ranked in these QuestionsQuestion Ranking
Pro iOS version available
Pro Supports 80 source code and markup languages
Textastic has support for several script and markup languages.
Pro Very fast
There's no need for hundreds of modules to be loaded on every start of Textastic. It's perfect for the fast editing of files.
Pro Supports online sync
Textastic can sync with iCloud documents.
Pro Code completion
Pro Excellent file compare functionality
Comparing files is intuitive and works well.
Pro Very good at handling (large) CSV files
Quickly opens even very large CSVs and converts data to columns according to delimiter. Fast Search/Replace operations.
Pro Opens very large files very fast
Con Mac only
Textastic is for Mac only.
Textastic is a proprietary software and needs a license which costs $7.99.
Con Default themes and syntax coloring not the prettiest
Some syntax highlighting colors and/or themes don't look very good - but can be customised.