Side by side
AI Keyboard: KeyAI vs Sidelong
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
AI Keyboard with writing assistant and translator.
Turn everything you learn into writing worth reading.
Primary task
Writing assistance
Writing assistance
Pricing
Freemium · Free + from $19.99/yr
Free Trial · Trial; then from $9/mo
Pricing details
Free + from $19.99/yr
Free + from $9/mo
Billing cycle
Yearly
Monthly
API access
Not documented
Not documented
Platforms
iOS
Web
Integrations
Make
Not documented
Source rating
No rating recorded
No rating recorded
Catalog views
162
444
Estimated monthly traffic
—
—
Catalog imported
30 Aug 2026
29 Aug 2026
Listed strengths
- Grammar and spell check
- Auto-paste custom snippets
- Integrated email generator
- Synonym suggestions
- Text summarization feature
- Centralized content location
- Dynamic support for writers
- Summary and insights extraction
- Searchable inventory for research
- Promotes active content engagement
Listed limitations
- Subscription required for full access
- Can have keyboard latency issues
- Autocorrect not automatically enabled
- Doesn't highlight misspelled words
- Potential privacy concerns
- No offline functionality
- Limited publishing platform integrations
- No collaborative tools
- No format customization in summaries
- No language translation support