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What is the Mass Dynamics 'Free Plan', and what changes on 1 October

Mass Dynamics now has a free plan, and it stays free. Here is what changes on 1 October 2026, and how to keep everything live if you need more than three datasets.

What changes on 1 October

Two things, and only if you are above the free allowance.

  • If you hold more than three uploaded datasets, your three most recent stay live and anything older moves to archive. This happens automatically.
  • Sharing becomes view-only. Anyone you have given edit access to will move to view-only.

Archive does not mean deleted. Everything stays in your account, stays downloadable, and goes live again the moment you move to a paid plan.

The HUPO offer, until 31 October

Move to the Individual plan before 31 October and your first year is US$1,000 instead of US$2,400. You get 40 uploaded datasets live, and every dataset you had archived goes live again. It renews at US$2,400 in year two.

Questions

Will you delete any of my data?

No. Archiving is not deletion. Nothing is removed from your account when you reach the limit, and nothing disappears without you knowing.

Can I get my archived datasets back?

Yes, as soon as you move to a paid plan. Nothing needs re-uploading and nothing was lost in the meantime.

Can I choose which three stay live?

Not on the free plan. It is the three most recent uploads, applied automatically. If there is an older dataset you need to keep working with, either download a copy or move to a paid plan.

What counts toward the limit?

Only datasets you upload. Everything you create from them — analyses, comparisons, figures, reports — is unlimited and never counts. That is true on every plan, including free.

What do I get for US$1,000?

The Individual plan: 40 uploaded datasets live, for one scientist, with every analysis and workflow included and API and MCP access. Everything you had archived goes live again. It renews at US$2,400 after the first year.

Other people edit my work. Is Individual right for me?

No. Sharing on Individual is view-only, the same as free. If people other than you need to edit, you want the Lab plan — US$8,000 a year, 200 uploaded datasets, your whole team on one account with no per-seat charge. Email us and we will help you work out which is right.

Can I download my datasets first?

Yes, any time, on any plan. If there is a dataset you would like a local copy of before 1 October, you can download it now.

Need a hand?

Email mark@massdynamics.com and a person will get back to you.