Sentence Boundaries
Where one thought ends and the next begins, so nobody has to read your message twice.
Writing practice that actually keeps score.
Five minutes a day of short exercises on grammar, punctuation, and clarity. Every answer moves a Writing Score you can point at, and a skill map that shows precisely what got better.
Not a grammar checker
A checker fixes the sentence in front of you and leaves you needing it again tomorrow. Seedling teaches the rule, so the next sentence comes out right on its own.
Progress you can actually see
Most apps tell you that you finished five lessons. Seedling tells you your comma splice mastery moved from 41 to 63, and that sentence boundaries is the strand holding you back.
Comma splices 63
Subject and verb 81
Apostrophes 44
What you practice
Punctuation
The small marks that carry tone and timing, so a message reads the way you would say it.
Agreement and Form
Making the parts of a sentence line up, so readers stay focused on what you are saying.
How it works
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Four minutes to a real score
A short placement round, then a Writing Score that means something and your two weakest skills named outright.
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A set a day
Short exercises drawn from work emails, texts, and resume lines. Never "the cat sat on the mat."
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The number moves
Every answer updates one skill. The score only ever moves for a reason we can show you.
For people who already speak the language
No beginner labels, no buzzers, no red X. This is sharpening, not remediation.