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Lightbulb

iPhone only

8.1No. 11 of 269
in AI Writing Tools
  • Recognised40% of the score48
  • Phone app26% of the score100
  • Documented20% of the score55
  • Free plan14% of the score100
Free plan
Yes
Runs on
iPhone, Mac
Visit site Alternatives

Summary

Lightbulb is ranked #11 of 269 in AI writing tools on Samsung Mobile US Press. It runs on iOS, macOS. There is a free plan.

Lightbulb plans and pricing

All plans
Lightbulb Free Free $0 forever 3 pinned items lightbulbai.app · 21 Sept 2026
Annual Lightbulb Pro Not published Unlimited in-keyboard AI · Unlimited saved shelf pins and templates · AI chat assistant · Smart keyboard reminders and follow-up scheduling · iCloud sync across iPhone and iPad · Priority feature updates and support lightbulbai.app · 21 Sept 2026

Compared on AI writing tools

Free plan
Yeslightbulbai.app
Brand voice controls
Yeslightbulbai.app
Language support
multilinguallightbulbai.app

Best Lightbulb alternatives

See all 12
Grammarly No. 1 9.6 iPhone + Android$12/moWordtune No. 2 9.5 iPhone only$6.99/moTextCortex No. 3 9.5 iPhone + AndroidFreeJenni AI No. 4 9.3 iPhone + Android$30/moWritecream No. 5 9.3 iPhone + Android$29/moParagraphAI No. 6 9.0 iPhone + Android$24.99/mo

Where it ranks on Samsung Mobile US Press

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Sources