SheetBrain reads your actual spreadsheet — headers, data types, everything — and writes formulas that work the first time. Just describe what you need in plain English.
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"I've been staring at this nested IF for 20 minutes and I still don't know what it does"
"My VLOOKUP returns #N/A and I've checked everything three times"
"I need a SUMIFS with 4 conditions and I can't get the syntax right"
"ChatGPT gave me a formula but it references columns that don't exist in my sheet"
SheetBrain fixes all of this. It reads your sheet, understands your data, and gives you formulas that just work.
Stop copy-pasting between ChatGPT and your spreadsheet. SheetBrain lives inside Google Sheets.
Describe what you need in plain English. SheetBrain reads your headers, data types, and column positions — and writes a formula that references your actual data, not imaginary columns.
=SUMIFS(F:F, C:C, "North", K:K, "Paid")
Inherited a spreadsheet full of cryptic formulas? Paste any formula and get a clear, step-by-step breakdown. Finally understand what that 200-character SUMPRODUCT actually does.
=SUMPRODUCT((C2:C21="North")*(F2:F21)*(G2:G21))
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"Multiplies unit price by quantity for every row where region is North, then sums the results."
Got a #REF!, #VALUE!, or #N/A and can't figure out why? Paste your broken formula and the error. SheetBrain finds the bug and gives you the fix — with an explanation of what went wrong.
=VLOOKUP(A2, B:C, 2, FALSE)
"Column index 3 exceeds the 2-column range B:C. Changed to 2."
Other AI tools generate formulas in a vacuum — they don't know your column names, your data types, or your sheet layout. That's why their formulas reference columns that don't exist.
SheetBrain scans your active sheet before generating anything. The result? Formulas that actually reference your data.
We get it. Here's what you're actually getting with each option.
| ChatGPT / Gemini | Other Add-ons | SheetBrain | |
|---|---|---|---|
| Reads your sheet context | No | Limited | Yes |
| Works inside Google Sheets | No (separate tab) | Yes | Yes |
| One-click apply to cell | No (copy-paste) | Some | Yes |
| No API key required | Yes | Most need BYOK | Yes |
| Formula debugging | Generic | Rare | Yes, with error context |
| Transparent pricing | $20/mo for Plus | Credits / tokens | $9/mo flat |
No configuration. No API keys. No account creation. Just install and go.
One click from the Google Workspace Marketplace. Works with any Google account — free or paid.
Open the sidebar and type in plain English. Or type =AI("your query") directly in any cell.
Click "Apply to Cell" — the formula drops in, referencing your actual columns. Done.
Type =AI("your question") in any cell and get a formula back instantly. Or use =AI_EXPLAIN("=YOUR_FORMULA()") for a plain English breakdown. Custom functions work in any cell — no sidebar needed.
=AI("average price for Electronics")
=AVERAGEIF(E:E,"Electronics",F:F)
No credits. No tokens. No hidden API costs. No "bring your own key." Just a flat monthly price with AI included.
Most AI spreadsheet add-ons charge $19–$25/month — and some still make you bring your own API key on top of that. SheetBrain is $9/mo with AI included. No extra keys. No hidden costs.
Yes. SheetBrain reads only your column headers, data types, and a few sample rows to understand your sheet structure. We never store your spreadsheet data — it's processed in memory and discarded immediately. See our Privacy Policy for details.
Gemini is a general chat assistant limited to 350 cells and gives different results on every refresh. SheetBrain is a specialized formula tool that reads your full sheet context, gives consistent results, works on any Google account (including free Gmail), and lets you apply formulas in one click.
ChatGPT doesn't know your spreadsheet. It generates formulas referencing generic column names that don't match your data. You end up copy-pasting between tabs and fixing references manually. SheetBrain works inside Sheets, reads your actual columns, and applies formulas directly — no tab-switching.
No. Unlike most alternatives that require you to bring your own API key, SheetBrain includes AI processing in the price. No OpenAI key, no Anthropic key, no surprise API bills. Just install and use.
Everything from basic SUM and VLOOKUP to complex SUMPRODUCT arrays, nested IFs, QUERY functions, INDEX/MATCH, date calculations, conditional formatting rules, and cross-sheet references.
You get 15 free AI calls per month, resetting on the 1st. That's more generous than most competitors' free tiers. When you hit the limit, you can upgrade to Pro for 1,000 calls/month. No penalty, no lockout — just a pause until the reset or upgrade.
No. SheetBrain formulas resolve once and stay as static values. Unlike some competitors where every page reload re-runs (and re-charges) AI formulas, SheetBrain only uses a call when you explicitly ask it to.
Yes. Cancel in one click, keep Pro access until the end of your billing period. No cancellation fees, no hidden retention flows, no questions asked. We don't do stealth auto-renewals.
15 free calls. No credit card. Install in 10 seconds.
Get SheetBrain Free