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
346.335 345.929	262.677 258.279	71.415 74.982	12.243 12.668

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 (%)
75.84 % 74.66 %	20.62 % 21.68 %	3.54 % 3.66 %

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	26689 26645	21100 20756	4734 4989	855 900	79.06 % 77.90 %	17.74 % 18.72 %	3.20 % 3.38 %
Elektronics	26779 26570	20461 20012	5437 5628	881 930	76.41 % 75.32 %	20.30 % 21.18 %	3.29 % 3.50 %
Entertainment	26509 26650	20025 19784	5514 5891	970 975	75.54 % 74.24 %	20.80 % 22.11 %	3.66 % 3.66 %
Cosmetics & Beauty	26782 26542	20256 19715	5578 5798	948 1029	75.63 % 74.28 %	20.83 % 21.84 %	3.54 % 3.88 %
Food & Drink	26780 27219	21051 21108	4855 5223	874 888	78.61 % 77.55 %	18.13 % 19.19 %	3.26 % 3.26 %
Home & Garden	26567 27012	21009 21027	4713 5117	845 868	79.08 % 77.84 %	17.74 % 18.94 %	3.18 % 3.21 %
Finance	26497 26563	19152 18924	6310 6534	1035 1105	72.28 % 71.24 %	23.81 % 24.60 %	3.91 % 4.16 %
Health	26738 26596	19586 19098	6168 6453	984 1045	73.25 % 71.81 %	23.07 % 24.26 %	3.68 % 3.93 %
Pets	26769 26848	20960 20660	4941 5281	868 907	78.30 % 76.95 %	18.46 % 19.67 %	3.24 % 3.38 %
Sport & Fitness	26704 26194	19957 19373	5735 5811	1012 1010	74.73 % 73.96 %	21.48 % 22.18 %	3.79 % 3.86 %
Job & Career	26663 26452	19753 19283	5862 6129	1048 1040	74.08 % 72.90 %	21.99 % 23.17 %	3.93 % 3.93 %
Dating	26642 26286	18837 18288	6736 6958	1069 1040	70.70 % 69.57 %	25.28 % 26.47 %	4.01 % 3.96 %
Other	26216 26352	20530 20251	4832 5170	854 931	78.31 % 76.85 %	18.43 % 19.62 %	3.26 % 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, ConvertKit is better than SendInBlue.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	34428 35333	25000 25054	8112 8857	1316 1422	72.62 % 70.91 %	23.56 % 25.07 %	3.82 % 4.02 %
Outlook Mail	34332 33820	25098 24489	7893 8007	1341 1324	73.10 % 72.41 %	22.99 % 23.68 %	3.91 % 3.91 %
Yahoo Mail	35250 34245	26683 25553	7321 7394	1246 1298	75.70 % 74.62 %	20.77 % 21.59 %	3.53 % 3.79 %
AOL Mail	34621 35036	26179 25972	7184 7727	1258 1337	75.62 % 74.13 %	20.75 % 22.05 %	3.63 % 3.82 %
Mail.com	33782 34598	26083 26191	6546 7180	1153 1227	77.21 % 75.70 %	19.38 % 20.75 %	3.41 % 3.55 %
Yandex Mail	33991 34445	25277 25144	7412 7959	1302 1342	74.36 % 73.00 %	21.81 % 23.11 %	3.83 % 3.90 %
GMX Mail	35006 34449	26623 25977	7175 7324	1208 1148	76.05 % 75.41 %	20.50 % 21.26 %	3.45 % 3.33 %
Zoho Mail	35293 34359	27276 26314	6807 6862	1210 1183	77.28 % 76.59 %	19.29 % 19.97 %	3.43 % 3.44 %
ProtonMail	34556 34790	26768 26521	6682 7068	1106 1201	77.46 % 76.23 %	19.34 % 20.32 %	3.20 % 3.45 %
Custom Mail	35076 34854	27690 27064	6283 6604	1103 1186	78.94 % 77.65 %	17.91 % 18.95 %	3.14 % 3.40 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.