What is Drops?
Drops is a vocabulary app built around quick, visual games. Instead of translations and grammar, it pairs words with illustrations and has you match, tap and swipe against a timer. Thai is one of its supported languages, and it does introduce the Thai script.
The free version is deliberately limited to five-minute sessions every ten hours, nudging you towards a Premium subscription for unlimited time.
What Drops does well
It is one of the most polished and enjoyable vocabulary apps around. The picture-based method is effective for remembering concrete nouns, and the design makes daily practice feel like a game rather than a chore. For getting over the initial fear of the Thai alphabet, it is a pleasant on-ramp.
Where Drops falls short
Drops teaches words in isolation. There are no full sentences and essentially no grammar, so you can memorise hundreds of words and still be unable to say anything useful. In a tonal language, its robotic audio is a real problem: tones are hard to hear, and getting them wrong changes meaning.
Add the five-minute free cap and a fairly steep Premium price, and it is best seen as a supplement rather than a complete course.
How ThaiLanguageSystem.com compares
ThaiLanguageSystem.com also drills vocabulary and the script, but adds the things Drops leaves out: everyday sentences, hundreds of short reading-and-listening articles, quizzes and clearer audio — with unlimited practice and no account, for free.
If you love the Drops format, use it for a fun daily warm-up and lean on ThaiLanguageSystem.com for sentences, reading and self-testing.
The verdict
Drops is a great-looking vocabulary trainer with real limits: vocab only, weak tones and a capped free tier. For a free alternative that covers sentences and reading too, ThaiLanguageSystem.com is the more complete free option.