Archer vs Cactus (2026)

Pricing, integrations, and who each is built for, from each vendor's own site. Updated 2026-10-19.

Both are AI underwriting tools that parse deal documents and hand results to Excel. Archer focuses on multifamily and combines parsing, comps and pipeline tracking. Cactus covers multifamily, self-storage and new development and emphasizes source-traced numbers.

Key differences

Asset types: Archer is multifamily. Cactus lists multifamily, self-storage and new development.
Excel: Archer says it loads parsed data into your own model. Cactus says its Excel exports keep working formulas.
Pricing: both are quoted. Archer is tiered by deal volume, and Cactus has Core, Plus and Enterprise plans.

Which to shortlist

Look at Archer if you underwrite multifamily in your own Excel model and also want comps and pipeline tracking.
Look at Cactus if you also underwrite self-storage or new development, or you want every number traced to its source.

Side by side

	Archer	Cactus
What it does	Multifamily underwriting helper that parses rent rolls and T12s in seconds, loads them into your own Excel model, and pulls comps.	AI underwriting and market analysis for multifamily, self-storage, and new development, with Excel exports that keep formulas intact.
Company	Archer	Cactus
Listed pricing	Custom quote, tiered by deal volume source	Core, Plus, and Enterprise plans; quoted by sales source
Integrations (as stated)	Excel	Excel
Built for (per vendor)	Multifamily teams who want parsing and comps loaded into their own Excel model	Multifamily, self-storage and new-development underwriting with sourced numbers
Peer rating	Opens as ratings come in	Opens as ratings come in

Sources: each vendor's own website, checked 2026-10-19. Pricing is as publicly listed and can change. Figures like customer counts or accuracy rates are the vendor's own claims, not ours. Peer data (who uses it, what they pay, hours saved) opens as ratings come in.

Archer, from its own site

Built for multifamily; covers underwriting, deal analysis, comps, and deal-pipeline tracking in one platform. source
States rent roll and T12 parsing in under 10 seconds and loading results into your own model. source
Pricing is a custom quote tiered by deal volume. source

Archer listing →

Cactus, from its own site

States it is available for multifamily and self-storage acquisitions plus new development. source
Emphasizes that every number traces to its source document and that Excel exports keep working formulas. source
Lists Core, Plus and Enterprise plans, quoted by sales. source

Cactus listing →

FAQs

What's the difference between Archer and Cactus?

Is Archer or Cactus cheaper?

Archer: Custom quote, tiered by deal volume. Cactus: Core, Plus, and Enterprise plans; quoted by sales. Both as listed on the vendors' own sites; neither publishes a full price list, so ask both for a quote on your volume.

Which do real estate developers prefer, Archer or Cactus?

We don't know yet, and we won't guess. BuiltStack's peer data (who uses each tool, what they pay, hours saved) opens as ratings come in from practitioners.

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