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
311.952 311.979	234.767 230.906	66.358 69.819	10.827 11.254

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 (%)
75.26 % 74.01 %	21.27 % 22.38 %	3.47 % 3.61 %

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	24036 24101	18874 18657	4397 4651	765 793	78.52 % 77.41 %	18.29 % 19.30 %	3.18 % 3.29 %
Elektronics	24119 24004	18256 17911	5069 5261	794 832	75.69 % 74.62 %	21.02 % 21.92 %	3.29 % 3.47 %
Entertainment	23888 24006	17909 17648	5128 5491	851 867	74.97 % 73.51 %	21.47 % 22.87 %	3.56 % 3.61 %
Cosmetics & Beauty	24192 23988	18157 17652	5198 5413	837 923	75.05 % 73.59 %	21.49 % 22.57 %	3.46 % 3.85 %
Food & Drink	24172 24579	18880 18910	4529 4869	763 800	78.11 % 76.94 %	18.74 % 19.81 %	3.16 % 3.25 %
Home & Garden	23777 24310	18690 18786	4346 4757	741 767	78.61 % 77.28 %	18.28 % 19.57 %	3.12 % 3.16 %
Finance	23866 23945	17096 16888	5868 6083	902 974	71.63 % 70.53 %	24.59 % 25.40 %	3.78 % 4.07 %
Health	23998 23933	17394 16995	5735 6012	869 926	72.48 % 71.01 %	23.90 % 25.12 %	3.62 % 3.87 %
Pets	24034 24189	18689 18477	4564 4903	781 809	77.76 % 76.39 %	18.99 % 20.27 %	3.25 % 3.34 %
Sport & Fitness	24197 23548	17969 17269	5336 5378	892 901	74.26 % 73.34 %	22.05 % 22.84 %	3.69 % 3.83 %
Job & Career	24069 23824	17724 17228	5425 5676	920 920	73.64 % 72.31 %	22.54 % 23.82 %	3.82 % 3.86 %
Dating	23981 23726	16734 16297	6289 6514	958 915	69.78 % 68.69 %	26.22 % 27.46 %	3.99 % 3.86 %
Other	23623 23826	18395 18188	4474 4811	754 827	77.87 % 76.34 %	18.94 % 20.19 %	3.19 % 3.47 %

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	31085 31914	22353 22399	7556 8268	1176 1247	71.91 % 70.19 %	24.31 % 25.91 %	3.78 % 3.91 %
Outlook Mail	30931 30418	22410 21800	7337 7432	1184 1186	72.45 % 71.67 %	23.72 % 24.43 %	3.83 % 3.90 %
Yahoo Mail	31770 30795	23889 22828	6788 6840	1093 1127	75.19 % 74.13 %	21.37 % 22.21 %	3.44 % 3.66 %
AOL Mail	31189 31773	23447 23365	6646 7209	1096 1199	75.18 % 73.54 %	21.31 % 22.69 %	3.51 % 3.77 %
Mail.com	30430 31236	23327 23468	6067 6678	1036 1090	76.66 % 75.13 %	19.94 % 21.38 %	3.40 % 3.49 %
Yandex Mail	30387 30980	22417 22424	6824 7370	1146 1186	73.77 % 72.38 %	22.46 % 23.79 %	3.77 % 3.83 %
GMX Mail	31612 31109	23849 23223	6711 6862	1052 1024	75.44 % 74.65 %	21.23 % 22.06 %	3.33 % 3.29 %
Zoho Mail	31843 31012	24429 23552	6342 6400	1072 1060	76.72 % 75.94 %	19.92 % 20.64 %	3.37 % 3.42 %
ProtonMail	31026 31379	23814 23688	6229 6616	983 1075	76.75 % 75.49 %	20.08 % 21.08 %	3.17 % 3.43 %
Custom Mail	31679 31363	24832 24159	5858 6144	989 1060	78.39 % 77.03 %	18.49 % 19.59 %	3.12 % 3.38 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.