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
188.582 189.202	133.866 131.863	48.724 51.201	5.992 6.138

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 (%)
70.99 % 69.69 %	25.84 % 27.06 %	3.18 % 3.24 %

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	14519 14619	10883 10776	3224 3393	412 450	74.96 % 73.71 %	22.21 % 23.21 %	2.84 % 3.08 %
Elektronics	14716 14531	10425 10171	3817 3917	474 443	70.84 % 70.00 %	25.94 % 26.96 %	3.22 % 3.05 %
Entertainment	14214 14771	10013 10189	3739 4080	462 502	70.44 % 68.98 %	26.31 % 27.62 %	3.25 % 3.40 %
Cosmetics & Beauty	14797 14629	10487 10150	3841 3980	469 499	70.87 % 69.38 %	25.96 % 27.21 %	3.17 % 3.41 %
Food & Drink	14891 15109	11056 11031	3383 3624	452 454	74.25 % 73.01 %	22.72 % 23.99 %	3.04 % 3.00 %
Home & Garden	14218 14705	10638 10786	3166 3485	414 434	74.82 % 73.35 %	22.27 % 23.70 %	2.91 % 2.95 %
Finance	14489 14386	9648 9456	4339 4429	502 501	66.59 % 65.73 %	29.95 % 30.79 %	3.46 % 3.48 %
Health	14599 14523	9827 9547	4289 4491	483 485	67.31 % 65.74 %	29.38 % 30.92 %	3.31 % 3.34 %
Pets	14590 14705	10864 10706	3301 3543	425 456	74.46 % 72.81 %	22.63 % 24.09 %	2.91 % 3.10 %
Sport & Fitness	14617 14072	10276 9736	3864 3844	477 492	70.30 % 69.19 %	26.43 % 27.32 %	3.26 % 3.50 %
Job & Career	14410 14247	10077 9773	3842 4014	491 460	69.93 % 68.60 %	26.66 % 28.17 %	3.41 % 3.23 %
Dating	14353 14365	9139 8966	4709 4914	505 485	63.67 % 62.42 %	32.81 % 34.21 %	3.52 % 3.38 %
Other	14169 14540	10533 10576	3210 3487	426 477	74.34 % 72.74 %	22.66 % 23.98 %	3.01 % 3.28 %

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	18773 19587	12546 12754	5581 6181	646 652	66.83 % 65.11 %	29.73 % 31.56 %	3.44 % 3.33 %
Outlook Mail	18712 18206	12693 12199	5372 5373	647 634	67.83 % 67.01 %	28.71 % 29.51 %	3.46 % 3.48 %
Yahoo Mail	19299 18490	13789 13005	4920 4869	590 616	71.45 % 70.34 %	25.49 % 26.33 %	3.06 % 3.33 %
AOL Mail	18768 19455	13381 13580	4774 5236	613 639	71.30 % 69.80 %	25.44 % 26.91 %	3.27 % 3.28 %
Mail.com	17944 18998	13088 13557	4307 4856	549 585	72.94 % 71.36 %	24.00 % 25.56 %	3.06 % 3.08 %
Yandex Mail	18188 18919	12725 12957	4865 5342	598 620	69.96 % 68.49 %	26.75 % 28.24 %	3.29 % 3.28 %
GMX Mail	19343 18596	13614 12902	5117 5119	612 575	70.38 % 69.38 %	26.45 % 27.53 %	3.16 % 3.09 %
Zoho Mail	19576 18660	14233 13386	4744 4692	599 582	72.71 % 71.74 %	24.23 % 25.14 %	3.06 % 3.12 %
ProtonMail	18835 19107	13532 13469	4723 5001	580 637	71.84 % 70.49 %	25.08 % 26.17 %	3.08 % 3.33 %
Custom Mail	19144 19184	14265 14054	4321 4532	558 598	74.51 % 73.26 %	22.57 % 23.62 %	2.91 % 3.12 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.