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
250.226 250.770	184.463 181.359	57.433 60.618	8.330 8.793

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 (%)
73.72 % 72.32 %	22.95 % 24.17 %	3.33 % 3.51 %

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	19270 19330	14886 14674	3796 4026	588 630	77.25 % 75.91 %	19.70 % 20.83 %	3.05 % 3.26 %
Elektronics	19473 19256	14391 14028	4449 4588	633 640	73.90 % 72.85 %	22.85 % 23.83 %	3.25 % 3.32 %
Entertainment	19103 19383	14029 13883	4431 4791	643 709	73.44 % 71.62 %	23.20 % 24.72 %	3.37 % 3.66 %
Cosmetics & Beauty	19535 19262	14363 13852	4520 4689	652 721	73.52 % 71.91 %	23.14 % 24.34 %	3.34 % 3.74 %
Food & Drink	19456 19914	14918 15015	3939 4265	599 634	76.68 % 75.40 %	20.25 % 21.42 %	3.08 % 3.18 %
Home & Garden	19021 19536	14689 14787	3751 4137	581 612	77.23 % 75.69 %	19.72 % 21.18 %	3.05 % 3.13 %
Finance	19250 19209	13454 13199	5110 5272	686 738	69.89 % 68.71 %	26.55 % 27.45 %	3.56 % 3.84 %
Health	19139 19197	13500 13237	4979 5255	660 705	70.54 % 68.95 %	26.01 % 27.37 %	3.45 % 3.67 %
Pets	19356 19407	14824 14558	3924 4222	608 627	76.59 % 75.01 %	20.27 % 21.76 %	3.14 % 3.23 %
Sport & Fitness	19355 18861	14102 13543	4579 4618	674 700	72.86 % 71.80 %	23.66 % 24.48 %	3.48 % 3.71 %
Job & Career	19196 19053	13880 13495	4622 4854	694 704	72.31 % 70.83 %	24.08 % 25.48 %	3.62 % 3.69 %
Dating	19088 19151	12888 12686	5484 5739	716 726	67.52 % 66.24 %	28.73 % 29.97 %	3.75 % 3.79 %
Other	18984 19211	14539 14402	3849 4162	596 647	76.59 % 74.97 %	20.27 % 21.66 %	3.14 % 3.37 %

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	24975 25876	17501 17674	6564 7250	910 952	70.07 % 68.30 %	26.28 % 28.02 %	3.64 % 3.68 %
Outlook Mail	24883 24410	17630 17082	6349 6425	904 903	70.85 % 69.98 %	25.52 % 26.32 %	3.63 % 3.70 %
Yahoo Mail	25628 24655	18915 17909	5864 5862	849 884	73.81 % 72.64 %	22.88 % 23.78 %	3.31 % 3.59 %
AOL Mail	25010 25530	18466 18364	5703 6218	841 948	73.83 % 71.93 %	22.80 % 24.36 %	3.36 % 3.71 %
Mail.com	24156 25223	18220 18567	5168 5802	768 854	75.43 % 73.61 %	21.39 % 23.00 %	3.18 % 3.39 %
Yandex Mail	24217 24896	17531 17630	5828 6350	858 916	72.39 % 70.81 %	24.07 % 25.51 %	3.54 % 3.68 %
GMX Mail	25365 24852	18660 18045	5891 6002	814 805	73.57 % 72.61 %	23.22 % 24.15 %	3.21 % 3.24 %
Zoho Mail	25690 24884	19332 18486	5531 5565	827 833	75.25 % 74.29 %	21.53 % 22.36 %	3.22 % 3.35 %
ProtonMail	24943 25162	18699 18511	5466 5806	778 845	74.97 % 73.57 %	21.91 % 23.07 %	3.12 % 3.36 %
Custom Mail	25359 25282	19509 19091	5069 5338	781 853	76.93 % 75.51 %	19.99 % 21.11 %	3.08 % 3.37 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.