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 71.595	302.081 56.977	78.208 11.590	14.117 3.028

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 % 79.58 %	19.83 % 16.19 %	3.58 % 4.23 %

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 5599	24204 4601	5178 803	980 195	79.72 % 82.18 %	17.05 % 14.34 %	3.23 % 3.48 %
Elektronics	30287 5565	23385 4451	5902 862	1000 252	77.21 % 79.98 %	19.49 % 15.49 %	3.30 % 4.53 %
Entertainment	30255 5483	23092 4368	6045 895	1118 220	76.32 % 79.66 %	19.98 % 16.32 %	3.70 % 4.01 %
Cosmetics & Beauty	30425 5550	23232 4421	6099 900	1094 229	76.36 % 79.66 %	20.05 % 16.22 %	3.60 % 4.13 %
Food & Drink	30373 5506	24085 4509	5283 785	1005 212	79.30 % 81.89 %	17.39 % 14.26 %	3.31 % 3.85 %
Home & Garden	30268 5540	24131 4516	5167 791	970 233	79.72 % 81.52 %	17.07 % 14.28 %	3.20 % 4.21 %
Finance	30282 5409	22132 4165	6922 990	1228 254	73.09 % 77.00 %	22.86 % 18.30 %	4.06 % 4.70 %
Health	30386 5405	22511 4235	6731 927	1144 243	74.08 % 78.35 %	22.15 % 17.15 %	3.76 % 4.50 %
Pets	30515 5395	24072 4359	5436 818	1007 218	78.89 % 80.80 %	17.81 % 15.16 %	3.30 % 4.04 %
Sport & Fitness	30484 5705	23007 4470	6312 987	1165 248	75.47 % 78.35 %	20.71 % 17.30 %	3.82 % 4.35 %
Job & Career	30364 5520	22710 4267	6456 1012	1198 241	74.79 % 77.30 %	21.26 % 18.33 %	3.95 % 4.37 %
Dating	30301 5526	21762 4257	7322 998	1217 271	71.82 % 77.04 %	24.16 % 18.06 %	4.02 % 4.90 %
Other	30104 5392	23758 4358	5355 822	991 212	78.92 % 80.82 %	17.79 % 15.24 %	3.29 % 3.93 %

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 5348	28873 3956	8892 1108	1517 284	73.50 % 73.97 %	22.64 % 20.72 %	3.86 % 5.31 %
Outlook Mail	38997 5456	28821 4223	8633 965	1543 268	73.91 % 77.40 %	22.14 % 17.69 %	3.96 % 4.91 %
Yahoo Mail	40103 5540	30633 4391	8046 919	1424 230	76.39 % 79.26 %	20.06 % 16.59 %	3.55 % 4.15 %
AOL Mail	39425 5714	30059 4483	7908 953	1458 278	76.24 % 78.46 %	20.06 % 16.68 %	3.70 % 4.87 %
Mail.com	38624 5508	30060 4406	7211 863	1353 239	77.83 % 79.99 %	18.67 % 15.67 %	3.50 % 4.34 %
Yandex Mail	38821 5447	29129 4234	8168 964	1524 249	75.03 % 77.73 %	21.04 % 17.70 %	3.93 % 4.57 %
GMX Mail	39819 5398	30627 4415	7798 782	1394 201	76.92 % 81.79 %	19.58 % 14.49 %	3.50 % 3.72 %
Zoho Mail	40117 5510	31303 4478	7430 810	1384 222	78.03 % 81.27 %	18.52 % 14.70 %	3.45 % 4.03 %
ProtonMail	39371 5586	30858 4631	7262 774	1251 181	78.38 % 82.90 %	18.45 % 13.86 %	3.18 % 3.24 %
Custom Mail	39847 5466	31718 4485	6860 769	1269 212	79.60 % 82.05 %	17.22 % 14.07 %	3.18 % 3.88 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.