ConvertKit and SendGrid Email Deliverability Comparison

In this comparison, the deliverability of ConvertKit and SendGrid is compared in detail. All available data, taking the filters into account, is used for the comparison.

Email deliverability

This comparison compares the numbers for sent emails, you can also see in which folder the emails at the email service provider ended up and how many emails were lost on the way. The numbers look better for SendGrid than for ConvertKit.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
394.406 137.274	302.081 107.836	78.208 23.143	14.117 5.212

Email deliverability rates

The following table shows the most important deliverability rates (in percent) for the compared providers. The higher the inbox rate and the lower the spam rate, the better. SendGrid beats ConvertKit in this comparison.

Inbox (%)	Spam (%)	Lost (%)
76.59 % 78.56 %	19.83 % 16.86 %	3.58 % 3.80 %

Email deliverability by category

This comparison compares the deliverability taking into account the category or the industry. The deliverability can vary greatly depending on the industry. In this comparison, SendGrid is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	30362 10622	24204 8554	5178 1652	980 354	79.72 % 80.53 %	17.05 % 15.55 %	3.23 % 3.33 %
Elektronics	30287 10542	23385 8336	5902 1719	1000 409	77.21 % 79.07 %	19.49 % 16.31 %	3.30 % 3.88 %
Entertainment	30255 10651	23092 8353	6045 1795	1118 422	76.32 % 78.42 %	19.98 % 16.85 %	3.70 % 3.96 %
Cosmetics & Beauty	30425 10565	23232 8306	6099 1791	1094 395	76.36 % 78.62 %	20.05 % 16.95 %	3.60 % 3.74 %
Food & Drink	30373 10555	24085 8472	5283 1623	1005 368	79.30 % 80.27 %	17.39 % 15.38 %	3.31 % 3.49 %
Home & Garden	30268 10624	24131 8527	5167 1625	970 371	79.72 % 80.26 %	17.07 % 15.30 %	3.20 % 3.49 %
Finance	30282 10545	22132 8064	6922 1961	1228 435	73.09 % 76.47 %	22.86 % 18.60 %	4.06 % 4.13 %
Health	30386 10319	22511 7999	6731 1825	1144 420	74.08 % 77.52 %	22.15 % 17.69 %	3.76 % 4.07 %
Pets	30515 10446	24072 8302	5436 1677	1007 375	78.89 % 79.48 %	17.81 % 16.05 %	3.30 % 3.59 %
Sport & Fitness	30484 10690	23007 8303	6312 1899	1165 422	75.47 % 77.67 %	20.71 % 17.76 %	3.82 % 3.95 %
Job & Career	30364 10383	22710 7977	6456 1921	1198 409	74.79 % 76.83 %	21.26 % 18.50 %	3.95 % 3.94 %
Dating	30301 10674	21762 8178	7322 1947	1217 456	71.82 % 76.62 %	24.16 % 18.24 %	4.02 % 4.27 %
Other	30104 10658	23758 8465	5355 1708	991 376	78.92 % 79.42 %	17.79 % 16.03 %	3.29 % 3.53 %

Email deliverability by email service provider

Finally, the following table compares the deliverability taking into account the email service provider. Similar to the industry, also the email service provider can affect the email deliverability in both directions – positive or negative. In this comparison, SendGrid is better than ConvertKit.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	39282 10506	28873 7821	8892 2161	1517 471	73.50 % 74.44 %	22.64 % 20.57 %	3.86 % 4.48 %
Outlook Mail	38997 10408	28821 7989	8633 1906	1543 443	73.91 % 76.76 %	22.14 % 18.31 %	3.96 % 4.26 %
Yahoo Mail	40103 10646	30633 8336	8046 1837	1424 403	76.39 % 78.30 %	20.06 % 17.26 %	3.55 % 3.79 %
AOL Mail	39425 10752	30059 8375	7908 1841	1458 455	76.24 % 77.89 %	20.06 % 17.12 %	3.70 % 4.23 %
Mail.com	38624 10480	30060 8270	7211 1725	1353 406	77.83 % 78.91 %	18.67 % 16.46 %	3.50 % 3.87 %
Yandex Mail	38821 10550	29129 8142	8168 1887	1524 424	75.03 % 77.18 %	21.04 % 17.89 %	3.93 % 4.02 %
GMX Mail	39819 10508	30627 8428	7798 1628	1394 358	76.92 % 80.21 %	19.58 % 15.49 %	3.50 % 3.41 %
Zoho Mail	40117 10682	31303 8532	7430 1678	1384 383	78.03 % 79.87 %	18.52 % 15.71 %	3.45 % 3.59 %
ProtonMail	39371 10547	30858 8529	7262 1583	1251 343	78.38 % 80.87 %	18.45 % 15.01 %	3.18 % 3.25 %
Custom Mail	39847 10386	31718 8368	6860 1576	1269 362	79.60 % 80.57 %	17.22 % 15.17 %	3.18 % 3.49 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.