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
394.406 402.780	302.081 303.984	78.208 83.770	14.117 15.026

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 (%)
76.59 % 75.47 %	19.83 % 20.80 %	3.58 % 3.73 %

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	30362 30967	24204 24340	5178 5573	980 1054	79.72 % 78.60 %	17.05 % 18.00 %	3.23 % 3.40 %
Elektronics	30287 30895	23385 23568	5902 6254	1000 1073	77.21 % 76.28 %	19.49 % 20.24 %	3.30 % 3.47 %
Entertainment	30255 31027	23092 23293	6045 6580	1118 1154	76.32 % 75.07 %	19.98 % 21.21 %	3.70 % 3.72 %
Cosmetics & Beauty	30425 30995	23232 23278	6099 6495	1094 1222	76.36 % 75.10 %	20.05 % 20.95 %	3.60 % 3.94 %
Food & Drink	30373 31626	24085 24770	5283 5807	1005 1049	79.30 % 78.32 %	17.39 % 18.36 %	3.31 % 3.32 %
Home & Garden	30268 31435	24131 24684	5167 5724	970 1027	79.72 % 78.52 %	17.07 % 18.21 %	3.20 % 3.27 %
Finance	30282 31001	22132 22348	6922 7319	1228 1334	73.09 % 72.09 %	22.86 % 23.61 %	4.06 % 4.30 %
Health	30386 30974	22511 22552	6731 7177	1144 1245	74.08 % 72.81 %	22.15 % 23.17 %	3.76 % 4.02 %
Pets	30515 31300	24072 24299	5436 5924	1007 1077	78.89 % 77.63 %	17.81 % 18.93 %	3.30 % 3.44 %
Sport & Fitness	30484 30500	23007 22771	6312 6521	1165 1208	75.47 % 74.66 %	20.71 % 21.38 %	3.82 % 3.96 %
Job & Career	30364 30761	22710 22618	6456 6889	1198 1254	74.79 % 73.53 %	21.26 % 22.40 %	3.95 % 4.08 %
Dating	30301 30610	21762 21675	7322 7709	1217 1226	71.82 % 70.81 %	24.16 % 25.18 %	4.02 % 4.01 %
Other	30104 30689	23758 23788	5355 5798	991 1103	78.92 % 77.51 %	17.79 % 18.89 %	3.29 % 3.59 %

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	39282 40872	28873 29396	8892 9825	1517 1651	73.50 % 71.92 %	22.64 % 24.04 %	3.86 % 4.04 %
Outlook Mail	38997 39335	28821 28795	8633 8946	1543 1594	73.91 % 73.20 %	22.14 % 22.74 %	3.96 % 4.05 %
Yahoo Mail	40103 39623	30633 29861	8046 8266	1424 1496	76.39 % 75.36 %	20.06 % 20.86 %	3.55 % 3.78 %
AOL Mail	39425 40403	30059 30219	7908 8592	1458 1592	76.24 % 74.79 %	20.06 % 21.27 %	3.70 % 3.94 %
Mail.com	38624 40085	30060 30627	7211 8007	1353 1451	77.83 % 76.41 %	18.67 % 19.98 %	3.50 % 3.62 %
Yandex Mail	38821 39964	29129 29495	8168 8908	1524 1561	75.03 % 73.80 %	21.04 % 22.29 %	3.93 % 3.91 %
GMX Mail	39819 39884	30627 30400	7798 8097	1394 1387	76.92 % 76.22 %	19.58 % 20.30 %	3.50 % 3.48 %
Zoho Mail	40117 39823	31303 30796	7430 7635	1384 1392	78.03 % 77.33 %	18.52 % 19.17 %	3.45 % 3.50 %
ProtonMail	39371 40373	30858 31130	7262 7817	1251 1426	78.38 % 77.11 %	18.45 % 19.36 %	3.18 % 3.53 %
Custom Mail	39847 40291	31718 31574	6860 7332	1269 1385	79.60 % 78.36 %	17.22 % 18.20 %	3.18 % 3.44 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.