
提供即時文法糾錯、語氣校準、寫作來源追蹤與團隊風格指南的跨平台 AI 寫作助理。
#1ForthWrite 每月有 5,722 次造訪,月增率 +4.6%,定價模式為免費增值、免費試用、需聯絡報價。Speechify 每月有 5,457,475 次造訪,成長率 +0.5%,定價模式為免費增值。

在 Gmail 與 Outlook 中依你本人語氣撰寫郵件的 AI 助手
| 面向/指標 | ![]() | |
|---|---|---|
| 官方網域 | forthwrite.ai | speechify.com |
| 定價模式 | 免費增值、免費試用、需聯絡報價 | 免費增值 |
| 每月造訪次數 | 5722 (5,722) | 545.75萬 (5,457,475) |
| 月流量變化量 | +252 (+4.6%) |
| +2.47萬 (+0.5%) |
| 主要市場與市佔 | 🇺🇸 美國 (82.4%) | 🇺🇸 美國 (55.2%) |
|---|
| 每月直接造訪 | 2249 | 284.47萬 |
|---|
| 使用者評分 | 4.2 | 4.3 |
|---|
| 支援平台 | 網站 | 網站 |
|---|

在 Gmail 與 Outlook 中依你本人語氣撰寫郵件的 AI 助手
ForthWrite 讀取你已寄出的郵件建立語氣檔案,約每 50 封擷取郵件更新一次,讓草稿持續跟上你寫作風格的變化。
Pro 使用者開啟 Gmail 時回覆已備妥,並可平行處理數十個討論串,無須逐封手寫。
草稿會依收件人調整語氣,並把跟進、引薦、進度回報視為各自不同的任務,而非套用同一模板。
對提示詞做版本管理與 A/B 測試,並透過可量化的改善曲線追蹤採納率、語氣貼合度與意圖分布。
涵蓋所有裝置的文字轉語音與語音 AI
用龐大的逼真 AI 聲音庫朗讀書籍、PDF、文件與網頁。
在 Google Docs、Gmail、Slack、Outlook 等幾乎所有應用中口述,無需打字。
把文件或簡短提示變成 AI 播客,並即時取得正在閱讀內容的摘要。
網頁應用、Chrome 與 Edge 擴充功能,以及原生 iOS、Android、Mac 與 Windows 應用。

提供即時文法糾錯、語氣校準、寫作來源追蹤與團隊風格指南的跨平台 AI 寫作助理。
#1專項更強提供明顯更優異的語音逼真度與複製品質,但缺乏 Speechify 專屬的文件庫閱讀介面。

免費 / 開源Provides powerful open-source speech synthesis and voice cloning, but requires technical setup compared to turnkey apps.

免費 / 開源Provides free text-to-speech conversion across many languages, but lacks advanced reading assistant and document management features.

專項更強Specializes in real-time voice changing and cloning, but lacks Speechify's robust ebook and document reading workflow.

Generates realistic voiceovers from text scripts, but lacks dedicated e-reader and document library apps.
專項更強Focuses on text-to-speech embedding and audio generation for creators, but offers less specialized document reading features.

Converts books and PDFs into natural-sounding speech, though with fewer cross-device synchronization and reading tools.

WriteMail.ai is an AI email writing assistant that turns a few rough key points into a polished, correctly toned email. It handles new messages as well as replies, supports dozens of languages, and offers tone, length and style controls plus a Chrome extension and desktop apps for getting drafts out of the browser faster.
免費 / 開源Provides powerful open-source speech synthesis and voice cloning, but requires technical setup compared to turnkey apps.
透過瀏覽器工具將文字、文件與網頁轉換成自然語音,但缺乏 Speechify 精緻的手機應用程式。
Generates realistic voiceovers from text scripts, but lacks dedicated e-reader and document library apps.
具備自動補全、研究與 Chrome 擴充功能的 AI 寫作助手
WriteMail.ai is an AI email writing assistant that turns a few rough key points into a polished, correctly toned email. It handles new messages as well as replies, supports dozens of languages, and offers tone, length and style controls plus a Chrome extension and desktop apps for getting drafts out of the browser faster.