GrantExtension vs. TaxZerone
TaxZerone has one of the cleaner interfaces in the cheap tier and a "pay on filing" flow. But on price, GrantExtension goes lower — Form 4868 from $4.95, and Form 7004 / 8868 at $9.95 each, one flat fee with no return purchase required.
Price per form
| Form | GrantExtension | TaxZerone |
|---|---|---|
| Form 4868 (personal) | $4.95 | $11.99 |
| Form 7004 (business) | $9.95 | $17.99 |
| Form 8868 (nonprofit) | $9.95 | TODO(verify) (free w/ 990 prepay) |
Competitor prices per our 2026 competitive analysis (TaxZerone 4868 $11.99 / 7004 $17.99; its 8868 price is TODO(verify)). TaxZerone offers 7004/8868 free if you also prepay the underlying 1120-S/1065/990 return with them — a bundling play, not a standalone price. Always confirm current pricing on the provider's site.
Feature comparison
| Feature | GrantExtension | TaxZerone |
|---|---|---|
| Flat, upfront price | Yes — shown before you pay | Per-form; pay on filing |
| All three forms (4868/7004/8868) | Yes | Yes |
| Standalone extension (no return purchase) | Yes | Free tiers gated behind buying the return |
| Instant IRS e-file + confirmation | Yes | Yes |
| Mobile-first flow | Yes | Yes (app for 4868) |
| Money-back guarantee | Yes | TODO(verify) |
Where GrantExtension wins
- Lower standalone price — Form 4868 $4.95 vs. $11.99, and 7004 $9.95 vs. $17.99.
- No return purchase required — our low price is the standalone price, not a bundling hook.
- One flat fee shown before you pay, across all three forms.
- A clean, mobile-first 5-minute flow with instant IRS confirmation.
- We never store your sensitive tax data after the extension is filed.
Be first to file when the IRS opens
Extension e-filing opens when the IRS starts accepting returns in January. Get notified the moment it does — then file in minutes for the lowest price around.
No spam — just one email when filing opens. IRS-authorized e-file provider.
Compare more: vs. Tax2efile · cheapest way to file
Disclaimer: comparison based on publicly available information as of our 2026 analysis; competitor pricing and features change. Not affiliated with TaxZerone.