Oh Fax vs Dropbox Fax: price, account, and agent support
An honest comparison of Oh Fax and Dropbox Fax for sending a fax in the US or Canada.
Oh Fax: $2.00 per fax by card for up to 100 pages. No subscription, no fax number, and no account needed for card or USDC payments.
Dropbox Fax pricing
New accounts get 5 free outbound pages, and up to 25 if you complete promotions. After that, pay as you go costs $0.99 per fax for up to 10 pages, plus $0.20 for each page after that. Paid plans include a fax line, and paid users pay $0.05 for each page over their allotment (Dropbox Fax pricing FAQ, Dropbox Help). We could not verify the monthly plan prices because the pricing page didn't render them when we fetched it.
Price per fax (US/Canada, outbound)
| Pages | Dropbox Fax | Oh Fax |
|---|---|---|
| 1 page | $0.99 (after free pages) | $2.00 by card |
| 3 pages | $0.99 | $2.00 by card |
| 10 pages | $0.99 | $2.00 by card |
Oh Fax prices come from our pricing page.
At a glance
| Dropbox Fax | Oh Fax | |
|---|---|---|
| Account required | Yes, a Dropbox Fax account. | No for card or USDC payments. An API key with a prepaid balance is optional. |
| API | Not covered on the pricing pages we checked. | REST API at app.ohfax.com/api/v1 |
| AI agent / MCP | None published. | Remote MCP at https://app.ohfax.com/mcp. Paid MPP requests need no account. |
| Coverage | See Dropbox Fax | US and Canada only, up to 100 pages per fax. Outbound only. |
When Dropbox Fax is better
- You already have a Dropbox Fax account. A pay-as-you-go fax of up to 10 pages costs $0.99, less than our $2.00 card price.
- You want to receive faxes or fax by email.
- You need UK numbers.
When Oh Fax is better
- You want an AI agent (Claude, ChatGPT, Cursor, Codex) to send the fax without signing up or keeping a subscription.
- You send faxes occasionally and want to pay per fax.
- You want an exact quote before you pay, and an automatic refund if the fax can't be delivered.
Switch in a minute
Add https://app.ohfax.com/mcp to your agent as an MCP server, or open ohfax.com and upload a PDF. See the MCP setup guide.
Sources
The competitor prices above are taken from each competitor's own published pages. Check them before you rely on them, because they can change.