Oh Fax vs Fax.Plus: price, account, and agent support
An honest comparison of Oh Fax and Fax.Plus for sending a fax in the US or Canada, with prices checked Oct 24, 2026 on Fax.Plus's own site.
Oh Fax: $1.00 per fax by card for up to 25 pages ($0.02 per page after that, 30-page cap), or $0.02 per page from a prepaid balance or USDC. No subscription, no fax number, and no account needed for card or USDC payments.
Fax.Plus pricing
The free plan gives you 10 pages in total. Basic costs $6.99/month billed annually ($8.99 billed monthly, according to the page's structured data) for 200 pages a month and $0.10 per extra page. Premium is $13.99/month for 500 pages, Business $27.99/month for 1,000 pages, and Enterprise $79.99/month for 4,000 pages (Fax.Plus pricing, checked Oct 24, 2026).
Price per fax (US/Canada, outbound)
| Pages | Fax.Plus | Oh Fax |
|---|---|---|
| 1 page | Free (10-page one-time allowance), then a subscription | $1.00 card / $0.02 balance or USDC |
| 3 pages | Free allowance, then a subscription | $1.00 card / $0.06 balance or USDC |
| 10 pages | Free allowance, then a subscription | $1.00 card / $0.20 balance or USDC |
Oh Fax prices come from our pricing page.
At a glance
| Fax.Plus | Oh Fax | |
|---|---|---|
| Account required | Yes. | No for card or USDC payments. An API key with a prepaid balance is optional. |
| API | The Fax.Plus API is listed on the Enterprise plan. | REST API at app.ohfax.com/api/v1 |
| AI agent / MCP | The pricing page lists "AI Assistant Integration (MCP): ChatGPT, Claude & more". It needs a Fax.Plus account. | Remote MCP at https://app.ohfax.com/mcp. Paid MPP requests need no account. |
| Coverage | See Fax.Plus | US and Canada only, up to 30 pages per fax. Outbound only. |
When Fax.Plus is better
- You need to receive faxes on your own number, or want team features or SSO (Enterprise).
- You send hundreds of pages every month, which makes a subscription cheaper per page.
- You want to fax outside the US and Canada.
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
- Fax.Plus pricing (checked Oct 24, 2026)
The competitor prices above are taken from each competitor's own published pages. Check them before you rely on them, because they can change.