Formula.dog vs Sheldon (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Formula.dog does not list a price
Free plan
Tie
Both have one
Higher rating
Formula.dog
3.5 against 3.4
Same job?
Yes
Both are Productivity tools

Side by side

Compared on	Formula.dog	Sheldon
Our rating	3.5Better	3.4
Starts at	Free	Free
Free plan	Yes	Yes
Category	Productivity	Productivity
Plans	Free	Free
Key features	Excel and Google Sheets formulas from plain English VBA and macro support Five free generations a day with no signup Formula cheat sheet and reference notes Comparison write-ups between approaches	AI-generated professional email replies with tone customization Excel/Sheets formula generation from a plain-English description LinkedIn posts, Twitter threads, and website copy generation Code snippet generation with explanatory instructions Free with no daily data limits
Pros	Solves the intent-to-syntax translation, which is the actual difficulty Free tier needs no account or sales conversation Covers VBA and macros, not just worksheet formulas	Genuinely free with no daily usage cap, not a limited trial Formula generation from plain description solves a real, common spreadsheet pain point Works directly inside the sites people already use, no separate app to switch to
Cons	A formula that returns a number is not necessarily correct Lookups fail silently by matching the wrong row rather than erroring Test against rows where you already know the answer	Automation detection throttles usage, which could affect legitimate heavy users Chrome-extension-only - no coverage on other browsers AI-generated formulas and code still need verification before relying on them
Company	Formula.dog, founded 2022	Sheldon

Prices come from each vendor's pricing page, last checked 20260901. Check the vendor before you buy.

FAQ

Questions people ask

Is Formula.dog better than Sheldon?

In our reviews Formula.dog scores 3.5 and Sheldon scores 3.4. The better pick depends on the job. Formula.dog: Describe a spreadsheet problem in plain English and get a working Excel or Sheets formula back - five a day free, no signup. Sheldon: Free Chrome extension AI assistant working inside Gmail, Google Sheets, LinkedIn and Quora - writes professional email replies, builds complex Excel formulas from a description, and generates code snippets.

Which is cheaper, Formula.dog or Sheldon?

Formula.dog: free. Sheldon: free.

Do Formula.dog and Sheldon have free plans?

Yes, both have a free plan.

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