GrantExtension vs. TaxExtension.com
TaxExtension.com is the premium brand leader — 25+ years, four pricing tiers, and 50-state coverage. GrantExtension skips the tiers and upsells: one flat fee per extension — Form 4868 from $4.95, Form 7004 / 8868 at $9.95 each — for the same core job, done faster.
Price per form
| Form | GrantExtension | TaxExtension.com |
|---|---|---|
| Form 4868 (personal) | $4.95 | Free / $19.95 / $29.95 / $49.95 (tiers) |
| Form 7004 (business) | $9.95 | $34.95 / $59.95 (tiers) |
| Form 8868 (nonprofit) | $9.95 | TODO(verify) |
Competitor prices per our 2026 competitive analysis. TaxExtension.com sells in tiers — personal Free / $19.95 / $29.95 / $49.95, business $34.95 / $59.95 — so the real cost depends on the tier and add-ons you pick. Its 8868 price is TODO(verify). Always confirm current pricing on the provider's site.
Feature comparison
| Feature | GrantExtension | TaxExtension.com |
|---|---|---|
| Flat, upfront price | Yes — one fee, shown before you pay | No — 4 personal / 2 business tiers |
| All three forms (4868/7004/8868) | Yes | 4868 & 7004; 8868 TODO(verify) |
| Instant IRS e-file + confirmation | Yes | Yes |
| State extensions | TODO(verify) — roadmap | Yes — 50 states + DC + PR |
| In-season live chat | Email/lightweight support | Yes — 24/7 in season |
| Tax-liability calculator | Guided estimate fields | Yes — integrated calculator |
| Money-back guarantee | Yes | TODO(verify) |
Where GrantExtension wins
- Far lower price for the same core filing — Form 4868 from $4.95 vs. $19.95+ on a paid tier.
- One transparent flat fee — no Free/Essential/Premium/Pro tiers to decode or upsell into.
- A fast, mobile-first flow focused on getting the extension filed, not selling add-ons.
- We never store your sensitive tax data after the extension is filed.
- Money-back guarantee if the IRS rejects a return we can't fix.
Compare more: vs. ExpressExtension · cheapest way to file
Disclaimer: comparison based on publicly available information as of our 2026 analysis; competitor pricing and features change. Not affiliated with TaxExtension.com.