Side by side
Correctly vs SpellBoy
Both stand on ai grammar checkers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Extension
Correctly offers in-place writing suggestions with several provider choices, including local options. Users should choose a provider with its text-handling implications in mind.
Visit Correctly Free plan Web
SpellBoy offers a straightforward, free web checker with broad language coverage and style checking. Its stated no-text-storage approach may suit users who prefer browser-based checking without a paid plan.
Visit SpellBoyThe facts
| Correctly | SpellBoy | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Extension | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | SpellBoy |
| Website | iamaamir.github.io | spellboy.com |
| On ai grammar checkers | #9 of 26 | #24 of 26 |
Correctly: what it does well
- Checks writing in inputs, textareas, and contentEditable elements.
- Inline suggestions can be accepted or dismissed individually.
- Offers local checking through Ollama and LM Studio.
- Excludes password and credit card fields automatically.
- Open source under the BSD 3-Clause License.
What to know first
- English is the only currently supported language.
- Hosted providers require users to supply their own API key.
- Text goes to the selected provider except with Chrome Free AI.
SpellBoy: what it does well
- Free online spelling and grammar checking
- Covers 13 language variants
- Checks stylistic errors beyond simple spelling
- Service says it does not store texts
- Uses LanguageTool-based correction rules
What to know first
- Web access is the listed platform
- No paid features or additional plans are listed
Alternatives to Correctly Alternatives to SpellBoy The whole list

