Diagramium vs Sinnaps
Diagramium
diagramium.comSinnaps
sinnaps.comSide by side
| Figure | Diagramium | Sinnaps |
|---|---|---|
| Price from | Free | $9/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 4 |
| Spec score · Gantt Chart Software | 7.7 (#28) | 8.6 (#7) |
| Exports | PNG and SVG exports are available without an account; PDF is also listed in the FAQ as an account-free export, while animated GIF, video, and animated SVG require a free account. | Users can export project data to Excel and PDF. |
| Integrations | The privacy policy identifies Google sign-in as an optional independent service and says the app itself talks only to Diagramium's website and its database provider. | The pricing page lists exports to Excel and PDF; it does not name third-party service integrations in the opened content. |
| Purpose | The Gantt chart maker creates project schedules with tasks, dependencies, milestones, progress, a critical-path highlight, and a Today marker. | Sinnaps is an online project management tool for planning tasks, schedules, resources, costs, and team work. |
| Support | The About page directs questions and feedback to a sign-in-required contact form or [email protected]. | Plans include a help centre, real-time chat, videos and supporting documentation. |
Plans
Sinnaps
- FreeFree
- Paid subscription$9 a month
- Business PlanPrice not published
- Paid plan (name not shown)Priced on request
In their own words
Diagramium
Diagramium is a web-based Gantt chart maker for creating project schedules and presenting them step by step. Charts can include tasks, dependencies, milestones, progress, a highlighted critical path, and a Today marker. Timelines use calendar dates or project days with Daily, Weekly, or Monthly scales. Present mode reveals tasks sequentially and can add AI voice narration, subtitles, and speaker notes for each step. After loading, the browser editor works offline. Charts remain in browser storage and exported files; the privacy policy says content is not uploaded, no cookies are set, and no third-party analytics are used. PNG, SVG, and PDF exports do not require an account. Animated GIF, video, and animated SVG exports require a free Google sign-in account. Clearing site data can permanently delete unexported local charts.