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No. 71Marketing & growthLaunched 2026

XBoost

AI SaaS that automates running an X (Twitter) account: post drafts in your own voice, scheduling, analytics and automation.

Visit xboost.nowSelf-reportedas of May 16, 2026

What it is

XBoost (xboost.now) is a Japanese-language tool that learns a user's writing style, then suggests topics, drafts and improves posts, schedules them and runs follow-up automation on X, and offers 70+ free X diagnosis tools. It is operated by AlphaByte K.K. in Tokyo and built by a solo developer.

How it was built with AI

In a May 2026 Japanese video the founder says he built XBoost as an individual developer; the video's chapter on his development environment is titled 'AGI Cockpit / Cursor', and in the talk he names Cursor, Claude Code and AGI Cockpit as what he builds with.

Traction

Self-reported

Over ¥3M (Japanese yen, not converted) in sales in its first month after a closed release in January 2026, per the founder in a Japanese video; founder-reported, no dashboard shown, and not a current figure

As of May 16, 2026. Stated by the founder or the tool maker. Not independently verified. Read the source

Sources

  1. 01【個人開発】たった1ヶ月で売上300万円を突破した話 (founder video)YouTube (taishiyade) · May 16, 2026 · checked Nov 5, 2026
  2. 02XBoost (xboost.now): ¥3M/mo, how it makes moneyProvenStartups · checked Nov 5, 2026
  3. 03Xboost（エックスブースト）: X運用をAIで自動化するSaaSツールXBoost · checked Nov 5, 2026

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