Flyletter vs QuillBot
Flyletter
flyletter.ioQuillBot
quillbot.comSide by side
| Figure | Flyletter | QuillBot |
|---|---|---|
| Price from | $2/mo | $0.69/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 7 | 8 |
| Spec score · AI Writing Tools | 8.2 (#105) | 9.5 (#1) |
| Founded | 2026 | 2017 |
| Free plan | Yes | Yes |
| Integrations | Paid plans export drafts to Kit and beehiiv, while the Claude MCP connector makes the brand profile and idea database available in Claude. | Its desktop app can appear as a widget in apps including Slack, Notes, and Messages, and its Premium page lists a Word add-in. |
| Support | The Business plan includes founder-direct support. | Premium’s Team Plan benefits include priority assistance and account-management support. |
| What it does | Flyletter is an AI newsletter writing platform that drafts newsletters in a user's brand voice. | QuillBot provides AI tools for paraphrasing, grammar correction, summarization, translation, originality checking, chat, image generation and related writing tasks. |
Plans
Flyletter
- FreeFree
- Creator$24 a month
- Pro$49 a month
- Business$165 a month
- Creator$24 a year
- Pro$49 a year
- Business$165 a year
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
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.