# ApexCalc vs Magnus: which to pick

> ApexCalc vs Magnus: pricing, platforms, launches, upvotes and founders side by side on ProductsFarm, with notes on which to pick.

Canonical: https://productsfarm.com/compare/apexcalc-vs-magnus
Last updated: 2026-11-12

|  | [ApexCalc](https://productsfarm.com/product/apexcalc) | [Magnus](https://productsfarm.com/product/magnus) |
| --- | --- | --- |
| What it is | Free online calculators for medicine, engineering, finance and science | AI agents that take on goals and busywork for founders and small teams |
| Pricing | Free | Paid |
| Platforms | Web | Web, iOS, Android, Linux, macOS |
| Categories | Productivity, Education | AI, Productivity |
| Made for | students, professionals, finance teams | founders, startups, small and medium-sized businesses |
| Built with | [Tailwind CSS](https://productsfarm.com/tech-stack/tailwind-css) | [Cloudflare](https://productsfarm.com/tech-stack/cloudflare), [OpenAI](https://productsfarm.com/tech-stack/openai), [Claude](https://productsfarm.com/tech-stack/claude) |
| Upvotes | 14 | 0 |
| Website | [apexcalc.net](https://apexcalc.net/) | [getmagnus.co](https://getmagnus.co/) |

## About ApexCalc

ApexCalc is a free web platform that gathers calculators across more than 50 disciplines, including medicine, engineering, finance, science, law, and sports and fitness. The site lists over 11,600 tools, which can be searched or browsed by category and opened in the browser without signing up or installing anything.

Each calculator opens on its own page. The site says its tools include formula logic, sourced citations and links to related tools. It also lists regional finance, tax, mortgage and legal tools for 150 countries, alongside everyday calculators such as BMI and mortgage tools.

The platform is aimed at students, professionals and anyone who needs a quick answer in a specific field. The site states that every calculator is free with no account required. It also describes paid tiers for saved bookmarks, PDF export and API access, but these are marked as coming soon and are not yet available.

## About Magnus

Magnus is a platform for founders, startups and small and medium-sized businesses that describes itself as an SI Agent Store. Users pick ready-made agents, give each one a mission and goals, and let the agent work through the routine tasks that take up their time. The site presents its assistant as a chief of staff style tool with a 3D talking-head interface, and says it can pursue goals, draft documents, remember context and connect to your tools.

The site shows example goals such as bouncing back from a quarter that went off track, protecting the team's focus, winning back a lost client, keeping deadlines, and building a 30-day habit. Each goal appears with a status such as active or complete. Magnus says it runs on a choice of underlying AI models, with Claude, OpenAI and OpenRouter named on the page, and it notes that voices are powered by a third-party provider.

The product is aimed at founders and leaders who want to hand repetitive operational work to agents while keeping control of their objectives. A seven-day free trial is offered, with cancellation available at any time and no hidden costs stated.

## Related

- [ApexCalc](https://productsfarm.com/product/apexcalc)
- [Magnus](https://productsfarm.com/product/magnus)
- [More comparisons](https://productsfarm.com/compare)