Plans
Every plan has drawing, libraries, export, the desktop app, collaboration and problem sets. arbastro Suite Lite, Plus and Ultra add storage, AI credits, larger models and your own AI key.
Choose Main menu › File › Settings…, then Plan, to compare the plans. arbastro Suite is one subscription for every arbastro app.
| Free | Suite Lite | Suite Plus | Suite Ultra | |
|---|---|---|---|---|
| Price | $0 | $4.99 a month or $49.99 a year | $19.99 a month or $199.99 a year | $99.99 a month or $999.99 a year |
| Cloud storage | 10 MB | 100 MB | 500 MB | 3 GB |
| Hosted AI credits a month | 150 | 300 | 1,000 | 2,500 |
| AI models | Haiku, Sonnet 5.5 | Haiku, Sonnet, Opus 5.5 | Haiku, Sonnet, Opus 5.5, Fable 5.2 | Haiku, Sonnet, Opus 5.5, Fable 5.2 |
| Your own AI provider key | ✓ | ✓ | ✓ | |
| Drawing, libraries, export, desktop app | ✓ | ✓ | ✓ | ✓ |
| Live collaboration, comments, sharing | ✓ | ✓ | ✓ | ✓ |
| Problem sets, assign by link, results | ✓ | ✓ | ✓ | ✓ |
Upgrades are on the pricing page. See also AI credits.
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Last updated Nov 12, 2026
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