Lightbulb vs QuillBot
Lightbulb
lightbulbai.appQuillBot
quillbot.comSide by side
| Figure | Lightbulb | QuillBot |
|---|---|---|
| Price from | $2.50/mo | $0.69/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| iOS | Yes | Yes |
| Android | — | Yes |
| Plans published | 2 | 8 |
| Spec score · AI Writing Tools | 8.3 (#94) | 9.5 (#1) |
| Data handling | The privacy policy says it collects identity, usage, and technical device information and shares personal data only with verified infrastructure providers or as required by law. | QuillBot says connections are encrypted, it does not sell user data, and Team Plan text inputs are not used for training. |
| Free plan | Yes | Yes |
| Integrations | The site names WhatsApp, Slack, Apple Mail, Gmail, iMessage, Instagram, LinkedIn, X, Threads, Line, and Apple Notes as supported apps with text fields. | Its desktop app can appear as a widget in apps including Slack, Notes, and Messages, and its Premium page lists a Word add-in. |
| Language support | multilingual | multilingual |
| Support | The site lists [email protected] for support and says it usually replies within 1 business day. | Premium’s Team Plan benefits include priority assistance and account-management support. |
| What it does | Lightbulb is a native iOS keyboard for generating, polishing, and rewriting text inside other apps. | QuillBot provides AI tools for paraphrasing, grammar correction, summarization, translation, originality checking, chat, image generation and related writing tasks. |
Plans
QuillBot
- FreeFree
- Premium$8.33 a month
- PremiumPriced on request
- Premium$8.33 a year
- Team Plan (51+ seats)$69.95 a year
- Team Plan (11–50 seats)$79.95 a year
- Team Plan (2–10 seats)$89.95 a year
- TeamPriced on request
In their own words
Lightbulb
Lightbulb has no write-up on Specifiction yet; its figures are above.
QuillBot
QuillBot is a set of AI tools for writing, communication, design, coding, and collaboration across platforms and formats. Its writing tools include paraphrasing, grammar and plagiarism checking, AI detection and humanizing, summarizing, and citation generation. The Free plan allows paraphrasing up to 100 words in two modes, with basic grammar and summaries plus limited access to humanizing and the AI Detector. The Premium comparison lists paraphrasing in 23 languages and translation into more than 40 languages. QuillBot offers desktop and mobile apps for macOS, Windows, Android, and iOS, alongside Chrome, Edge, and Safari extensions. Its desktop app can appear as a widget in apps including Slack, Notes, and Messages; Premium also lists a Word add-in. QuillBot says one subscription works across its apps and platforms, with Premium usable on up to 10 devices at a time. Team plans add writer-management dashboards and centralized billing, while Team Plan benefits include priority assistance and account-management support. The maker says QuillBot began in 2017 as a paraphrasing tool for English-language learners. The Free plan is available; no Premium price is listed here.