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
277.576 278.030	206.826 203.359	61.323 64.743	9.427 9.928

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 (%)
74.51 % 73.14 %	22.09 % 23.29 %	3.40 % 3.57 %

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	21385 21404	16655 16402	4058 4300	672 702	77.88 % 76.63 %	18.98 % 20.09 %	3.14 % 3.28 %
Elektronics	21587 21357	16163 15736	4725 4886	699 735	74.87 % 73.68 %	21.89 % 22.88 %	3.24 % 3.44 %
Entertainment	21197 21498	15734 15604	4733 5114	730 780	74.23 % 72.58 %	22.33 % 23.79 %	3.44 % 3.63 %
Cosmetics & Beauty	21553 21378	16027 15540	4810 5013	716 825	74.36 % 72.69 %	22.32 % 23.45 %	3.32 % 3.86 %
Food & Drink	21551 21985	16682 16739	4196 4540	673 706	77.41 % 76.14 %	19.47 % 20.65 %	3.12 % 3.21 %
Home & Garden	21117 21694	16461 16588	4008 4422	648 684	77.95 % 76.46 %	18.98 % 20.38 %	3.07 % 3.15 %
Finance	21276 21326	15063 14843	5434 5633	779 850	70.80 % 69.60 %	25.54 % 26.41 %	3.66 % 3.99 %
Health	21310 21280	15236 14881	5311 5593	763 806	71.50 % 69.93 %	24.92 % 26.28 %	3.58 % 3.79 %
Pets	21462 21496	16569 16265	4208 4520	685 711	77.20 % 75.67 %	19.61 % 21.03 %	3.19 % 3.31 %
Sport & Fitness	21453 20966	15779 15226	4899 4960	775 780	73.55 % 72.62 %	22.84 % 23.66 %	3.61 % 3.72 %
Job & Career	21422 21143	15632 15119	4987 5213	803 811	72.97 % 71.51 %	23.28 % 24.66 %	3.75 % 3.84 %
Dating	21261 21164	14612 14266	5836 6085	813 813	68.73 % 67.41 %	27.45 % 28.75 %	3.82 % 3.84 %
Other	21002 21339	16213 16150	4118 4464	671 725	77.20 % 75.68 %	19.61 % 20.92 %	3.19 % 3.40 %

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	27643 28569	19622 19773	6994 7706	1027 1090	70.98 % 69.21 %	25.30 % 26.97 %	3.72 % 3.82 %
Outlook Mail	27606 27133	19779 19222	6788 6882	1039 1029	71.65 % 70.84 %	24.59 % 25.36 %	3.76 % 3.79 %
Yahoo Mail	28432 27373	21171 20085	6284 6297	977 991	74.46 % 73.38 %	22.10 % 23.00 %	3.44 % 3.62 %
AOL Mail	27762 28334	20704 20601	6115 6664	943 1069	74.58 % 72.71 %	22.03 % 23.52 %	3.40 % 3.77 %
Mail.com	26928 27852	20484 20715	5560 6190	884 947	76.07 % 74.38 %	20.65 % 22.22 %	3.28 % 3.40 %
Yandex Mail	26896 27608	19657 19758	6251 6801	988 1049	73.09 % 71.57 %	23.24 % 24.63 %	3.67 % 3.80 %
GMX Mail	28109 27673	20950 20370	6247 6393	912 910	74.53 % 73.61 %	22.22 % 23.10 %	3.24 % 3.29 %
Zoho Mail	28396 27567	21602 20697	5873 5934	921 936	76.07 % 75.08 %	20.68 % 21.53 %	3.24 % 3.40 %
ProtonMail	27671 27934	21003 20804	5803 6175	865 955	75.90 % 74.48 %	20.97 % 22.11 %	3.13 % 3.42 %
Custom Mail	28133 27987	21854 21334	5408 5701	871 952	77.68 % 76.23 %	19.22 % 20.37 %	3.10 % 3.40 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.