Side by side
atFAX vs SendThisFax
Both stand on online fax services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid Web
atFAX provides cloud faxing with multiple delivery methods, printer support, security controls, and number porting. The listed 5.00 USD monthly number plan does not include transmission charges, which are billed per minute for local and national calls.
Visit atFAX Paid APIWeb
SendThisFax provides one-off web faxing with API options and stated international coverage. Check destination availability and page charges before paying.
Visit SendThisFaxThe facts
| atFAX | SendThisFax | |
|---|---|---|
| Free plan | Not published | No |
| Open source | Not published | No |
| Runs on | Web | API, Web |
| Lowest paid plan | Fax number: $5 a month | See the plans |
| Plans published | 1 | 2 |
| Maker | atFAX | SendThisFax |
| Website | atfax.co.nz | sendthisfax.com |
| On online fax services | #79 of 102 | #95 of 102 |
atFAX: what it does well
- Send and receive through email and devices
- Supports four named printer brands
- Up to five concurrent faxes per line
- 256-bit AES SSL encryption
- Existing numbers can usually be ported
What to know first
- No free plan is listed
- Transmission charges apply separately
- Number porting can take up to 10 days
- Bulk faxing and spamming are prohibited
SendThisFax: what it does well
- No account required for one-off faxes
- Supports PDFs up to 50 MB and 1,000 pages
- Automatic retries when lines are busy
- Automatic full refund after failed delivery
- REST API and MCP endpoint available
What to know first
- No free plan or free trial
- Password-protected PDFs are unsupported
- Mobile apps are not available
- Additional pages cost €0.50 each
Alternatives to atFAX Alternatives to SendThisFax The whole list