Comparisons
Tool comparisons for language teaching
Where a tool is genuinely better than Teachee for a job, these pages say so. A comparison that never concedes anything is an advert, not a comparison.
Anki vs Quizlet for language learning
Quizlet is easier and Anki remembers better. The difference is entirely in the scheduling, and it decides which one is right for you more than any feature comparison will.
Teachee vs a shared Google Doc for lesson notes
Most online language teachers run on a shared document, and for good reasons. Here is exactly where that breaks down, and where a document is still the right answer.