Trial pack
$0.99 one-time
- 150 credits (one-time)
- Use for AI canvas, TikZ import/export
- Limit 1 purchase per account
Pricing & support
Canvas editing is free. +25 on sign-up; 30 free credits each month after sign-in (no rollover). AI about 5/use (+8 with images), TikZ export 3, import 5. Pro is $29 / ¥29 for 3,200 credits/month — enough to revise figures and export TikZ. When low, invite friends or submit feedback.
Pro monthly · yearly
Pro is for revising figures and exporting TikZ. Credits apply instantly for AI canvas and TikZ. Canvas editing stays free. Monthly: $29 / ¥29 = 3,200 credits/month.
Pro monthly
$29 / 30 days
- 3,200 credits/month
- Use for AI canvas, TikZ import/export
- Still get +30 free credits each month (no rollover)
Pro yearly
$290 / 365 days
- 3,600 credits/month
- Use for AI canvas, TikZ import/export
- Still get +30 free credits each month (no rollover)
Credit rules
- Sign-up bonus: 25 credits on first registration
- After sign-in, each account gets 30 credits per month (no rollover; purchased and reward credits do accumulate)
- AI canvas: one drawing billed at DeepSeek peak ×1.1 (about {ai_action} credits held at start, then adjusted to actual tokens; no per-step surcharge) · TikZ export: {tikz_export}/use · import: {tikz_import}/use
- Invite friends: you earn 40 credits when they register
- Submit editor feedback: +2 credits; valuable feedback awards an extra 40
When you run low, invite friends, submit feedback, or contact an admin.
Get more credits
编辑器
¥0 / 拖拽与布局
- 在线编辑器：拖拽绘图、图论工具、对齐与布局
- 导出 SVG / PNG / PDF 等常见格式
- 本地保存；登录后可使用云端工作台
画布编辑本身免费；TikZ 与 AI 需登录并按积分扣费。
AI · TikZ
积分 / 见上方规则
- AI 画布：一次出图按 DeepSeek 峰值价 ×1.1 结算（开跑预扣约 5 分，按实际 token 多退少补，不按步加价；含图片预扣约 13）
- TikZ 导出：3 积分/次 · 导入：5 积分/次
- 积分不足：邀请好友得 40 积分，或等待每日赠送
使用前请登录。余额见工作台与编辑器右上角。