Formula Foundry vs Filly AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Formula Foundry compared with Filly AI
Detail	Formula Foundry	Filly AI
What it does	Excel and Google Sheets formula editor with AI	AI form filler that auto-fills PDF and Word forms from saved client profiles
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	HU
Pricing model	Not given	Freemium
Pricing	Free plan with ~20 AI generations per month, 1 tab, 3 snippets, and 3 variables. Pro at $9/month (or $7/month billed annually) with unlimited tabs, snippets, variables, and larger AI budget. Business at $15/seat/month (or $12/seat/month billed annually) with shared team snippets, team management, an	Free: $0/month with 10 free credits, 10 forms, 5 clients, 10 fills/month. Solo: $19/month (or $152/year with 4 months free) with 20 forms, unlimited clients, 100 fills/month, batch fill up to 5. Pro: $39/month (or $312/year with 4 months free) with unlimited forms, unlimited clients, unlimited fills
Key features	Multi-line code editor with syntax highlighting and auto-indentation Global variables using @@ notation that update across all formulas Excel to Google Sheets formula translator Visual formula builder for no-code formula creation AI assistant for generating, debugging, and explaining formulas Reusable snippet library with team sharing on Business plan Find and replace within formulas Auto-suggest for formula functions and range names	AI field extraction from PDF and Word documents Scanned PDF and OCR support Smart autofill from saved client profiles Batch fill for up to 20 clients at once CSV/spreadsheet import for form filling No-login e-signature sharing Official U.S. government form library (18 forms) PDF toolbox (merge, split, rotate, redact) AI fill assistant for answering form questions Learning corrections that persist across future fills
What makes it different	Multi-line editor makes formulas readable like code instead of squished one-liners Global variables that update 500+ formulas instantly when changed Seamless Excel to Sheets translation without rewriting formulas from scratch AI assistant specialized for spreadsheet formulas, not generic chatbot Team snippet library for approved, audited formulas shared across organization	Learns corrections once and applies them to every future fill of that form Clients can sign without creating an account Works with scanned PDFs and non-fillable forms via OCR Data stored in EU with encryption and row-level database security
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 +1 (up) since last check	4 no change since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	25	23
Referring domains (Majestic)	22	42

4 details filled in for both companies.

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