ConvertKit and SendInBlue Email Deliverability Comparison

In this comparison, the deliverability of ConvertKit and SendInBlue 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 ConvertKit than for SendInBlue.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
380.617 380.044	290.653 285.783	76.359 80.216	13.605 14.045

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. ConvertKit beats SendInBlue in this comparison.

Inbox (%)	Spam (%)	Lost (%)
76.36 % 75.20 %	20.06 % 21.11 %	3.57 % 3.70 %

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, ConvertKit is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	29292 29223	23283 22896	5058 5336	951 991	79.49 % 78.35 %	17.27 % 18.26 %	3.25 % 3.39 %
Elektronics	29269 29148	22517 22131	5777 5998	975 1019	76.93 % 75.93 %	19.74 % 20.58 %	3.33 % 3.50 %
Entertainment	29148 29256	22185 21889	5897 6298	1066 1069	76.11 % 74.82 %	20.23 % 21.53 %	3.66 % 3.65 %
Cosmetics & Beauty	29429 29188	22405 21835	5964 6206	1060 1147	76.13 % 74.81 %	20.27 % 21.26 %	3.60 % 3.93 %
Food & Drink	29332 29888	23201 23340	5166 5573	965 975	79.10 % 78.09 %	17.61 % 18.65 %	3.29 % 3.26 %
Home & Garden	29177 29660	23194 23221	5039 5475	944 964	79.49 % 78.29 %	17.27 % 18.46 %	3.24 % 3.25 %
Finance	29193 29277	21275 21017	6753 7011	1165 1249	72.88 % 71.79 %	23.13 % 23.95 %	3.99 % 4.27 %
Health	29361 29283	21679 21218	6578 6893	1104 1172	73.84 % 72.46 %	22.40 % 23.54 %	3.76 % 4.00 %
Pets	29421 29493	23161 22822	5297 5664	963 1007	78.72 % 77.38 %	18.00 % 19.20 %	3.27 % 3.41 %
Sport & Fitness	29431 28835	22147 21461	6159 6244	1125 1130	75.25 % 74.43 %	20.93 % 21.65 %	3.82 % 3.92 %
Job & Career	29321 29012	21871 21270	6296 6579	1154 1163	74.59 % 73.31 %	21.47 % 22.68 %	3.94 % 4.01 %
Dating	29262 28858	20922 20315	7162 7401	1178 1142	71.50 % 70.40 %	24.48 % 25.65 %	4.03 % 3.96 %
Other	28981 28923	22813 22368	5213 5538	955 1017	78.72 % 77.34 %	17.99 % 19.15 %	3.30 % 3.52 %

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, ConvertKit is better than SendInBlue.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	37909 38821	27757 27818	8684 9452	1468 1551	73.22 % 71.66 %	22.91 % 24.35 %	3.87 % 4.00 %
Outlook Mail	37623 37303	27705 27229	8425 8594	1493 1480	73.64 % 72.99 %	22.39 % 23.04 %	3.97 % 3.97 %
Yahoo Mail	38693 37645	29475 28278	7847 7945	1371 1422	76.18 % 75.12 %	20.28 % 21.11 %	3.54 % 3.78 %
AOL Mail	38076 38343	28963 28597	7710 8258	1403 1488	76.07 % 74.58 %	20.25 % 21.54 %	3.68 % 3.88 %
Mail.com	37242 38073	28912 29006	7031 7703	1299 1364	77.63 % 76.19 %	18.88 % 20.23 %	3.49 % 3.58 %
Yandex Mail	37431 37944	28002 27901	7962 8560	1467 1483	74.81 % 73.53 %	21.27 % 22.56 %	3.92 % 3.91 %
GMX Mail	38430 37847	29468 28740	7626 7805	1336 1302	76.68 % 75.94 %	19.84 % 20.62 %	3.48 % 3.44 %
Zoho Mail	38728 37696	30132 29049	7259 7333	1337 1314	77.80 % 77.06 %	18.74 % 19.45 %	3.45 % 3.49 %
ProtonMail	38024 38151	29701 29295	7112 7514	1211 1342	78.11 % 76.79 %	18.70 % 19.70 %	3.18 % 3.52 %
Custom Mail	38461 38221	30538 29870	6703 7052	1220 1299	79.40 % 78.15 %	17.43 % 18.45 %	3.17 % 3.40 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.