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 62.600	302.081 49.846	78.208 10.115	14.117 2.639

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 % 79.63 %	19.83 % 16.16 %	3.58 % 4.22 %

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 4926	24204 4050	5178 706	980 170	79.72 % 82.22 %	17.05 % 14.33 %	3.23 % 3.45 %
Elektronics	30287 4870	23385 3891	5902 755	1000 224	77.21 % 79.90 %	19.49 % 15.50 %	3.30 % 4.60 %
Entertainment	30255 4832	23092 3841	6045 788	1118 203	76.32 % 79.49 %	19.98 % 16.31 %	3.70 % 4.20 %
Cosmetics & Beauty	30425 4831	23232 3848	6099 785	1094 198	76.36 % 79.65 %	20.05 % 16.25 %	3.60 % 4.10 %
Food & Drink	30373 4850	24085 3981	5283 691	1005 178	79.30 % 82.08 %	17.39 % 14.25 %	3.31 % 3.67 %
Home & Garden	30268 4866	24131 3970	5167 693	970 203	79.72 % 81.59 %	17.07 % 14.24 %	3.20 % 4.17 %
Finance	30282 4748	22132 3655	6922 869	1228 224	73.09 % 76.98 %	22.86 % 18.30 %	4.06 % 4.72 %
Health	30386 4733	22511 3723	6731 810	1144 200	74.08 % 78.66 %	22.15 % 17.11 %	3.76 % 4.23 %
Pets	30515 4681	24072 3788	5436 703	1007 190	78.89 % 80.92 %	17.81 % 15.02 %	3.30 % 4.06 %
Sport & Fitness	30484 4964	23007 3898	6312 854	1165 212	75.47 % 78.53 %	20.71 % 17.20 %	3.82 % 4.27 %
Job & Career	30364 4779	22710 3691	6456 877	1198 211	74.79 % 77.23 %	21.26 % 18.35 %	3.95 % 4.42 %
Dating	30301 4790	21762 3681	7322 863	1217 246	71.82 % 76.85 %	24.16 % 18.02 %	4.02 % 5.14 %
Other	30104 4730	23758 3829	5355 721	991 180	78.92 % 80.95 %	17.79 % 15.24 %	3.29 % 3.81 %

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 4720	28873 3489	8892 979	1517 252	73.50 % 73.92 %	22.64 % 20.74 %	3.86 % 5.34 %
Outlook Mail	38997 4764	28821 3697	8633 842	1543 225	73.91 % 77.60 %	22.14 % 17.67 %	3.96 % 4.72 %
Yahoo Mail	40103 4881	30633 3866	8046 807	1424 208	76.39 % 79.21 %	20.06 % 16.53 %	3.55 % 4.26 %
AOL Mail	39425 5010	30059 3936	7908 834	1458 240	76.24 % 78.56 %	20.06 % 16.65 %	3.70 % 4.79 %
Mail.com	38624 4802	30060 3848	7211 748	1353 206	77.83 % 80.13 %	18.67 % 15.58 %	3.50 % 4.29 %
Yandex Mail	38821 4750	29129 3699	8168 836	1524 215	75.03 % 77.87 %	21.04 % 17.60 %	3.93 % 4.53 %
GMX Mail	39819 4695	30627 3848	7798 679	1394 168	76.92 % 81.96 %	19.58 % 14.46 %	3.50 % 3.58 %
Zoho Mail	40117 4771	31303 3879	7430 699	1384 193	78.03 % 81.30 %	18.52 % 14.65 %	3.45 % 4.05 %
ProtonMail	39371 4917	30858 4076	7262 679	1251 162	78.38 % 82.90 %	18.45 % 13.81 %	3.18 % 3.29 %
Custom Mail	39847 4805	31718 3942	6860 676	1269 187	79.60 % 82.04 %	17.22 % 14.07 %	3.18 % 3.89 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.