AI planner & to-do API vs Grammar checker & sentence
Two Productivity & writing APIs with a free plan, compared field by field.
| AI planner & to-do API — smart tasks and habit coaching | Grammar checker & sentence corrector — 100+ languages | |
|---|---|---|
| Endpoints | 1 | 1 |
| Latency | — | — |
| Service level | — | — |
| Free tier | $0.00 | $0.00 |
| Paid from | $9.99 | $9.99 |
| Updated | 2025-12-08 | 2025-10-09 |
AI planner & to-do API — smart tasks and habit coaching
The API plans a schedule, breaks goals into tasks and coaches habits over time rather than returning a static list.
Productivity apps use it as the reasoning layer behind their own task model.
Open AI planner & to-do API — smart tasks and habit coaching →
Grammar checker & sentence corrector — 100+ languages
The API corrects grammar and sentence structure in over 100 languages and returns the fixed text rather than a list of complaints.
Writing tools, CMS platforms and language products use it as the correction layer for user-generated text.
Open Grammar checker & sentence corrector — 100+ languages →