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
222.851 223.604	161.920 159.450	53.607 56.565	7.324 7.589

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 (%)
72.66 % 71.31 %	24.06 % 25.30 %	3.29 % 3.39 %

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	17227 17267	13154 12959	3555 3754	518 554	76.36 % 75.05 %	20.64 % 21.74 %	3.01 % 3.21 %
Elektronics	17346 17121	12609 12273	4167 4291	570 557	72.69 % 71.68 %	24.02 % 25.06 %	3.29 % 3.25 %
Entertainment	16893 17335	12220 12251	4122 4481	551 603	72.34 % 70.67 %	24.40 % 25.85 %	3.26 % 3.48 %
Cosmetics & Beauty	17352 17153	12573 12156	4213 4379	566 618	72.46 % 70.87 %	24.28 % 25.53 %	3.26 % 3.60 %
Food & Drink	17410 17803	13177 13262	3693 3991	540 550	75.69 % 74.49 %	21.21 % 22.42 %	3.10 % 3.09 %
Home & Garden	16881 17352	12873 12966	3495 3851	513 535	76.26 % 74.72 %	20.70 % 22.19 %	3.04 % 3.08 %
Finance	17177 17148	11801 11599	4778 4917	598 632	68.70 % 67.64 %	27.82 % 28.67 %	3.48 % 3.69 %
Health	17037 17139	11801 11610	4659 4930	577 599	69.27 % 67.74 %	27.35 % 28.76 %	3.39 % 3.49 %
Pets	17285 17381	13102 12890	3653 3939	530 552	75.80 % 74.16 %	21.13 % 22.66 %	3.07 % 3.18 %
Sport & Fitness	17248 16774	12375 11889	4267 4286	606 599	71.75 % 70.88 %	24.74 % 25.55 %	3.51 % 3.57 %
Job & Career	17082 16906	12193 11816	4277 4487	612 603	71.38 % 69.89 %	25.04 % 26.54 %	3.58 % 3.57 %
Dating	17068 17024	11280 11026	5159 5380	629 618	66.09 % 64.77 %	30.23 % 31.60 %	3.69 % 3.63 %
Other	16845 17201	12762 12753	3569 3879	514 569	75.76 % 74.14 %	21.19 % 22.55 %	3.05 % 3.31 %

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	22266 23105	15315 15487	6137 6787	814 831	68.78 % 67.03 %	27.56 % 29.37 %	3.66 % 3.60 %
Outlook Mail	22185 21643	15468 14895	5932 5968	785 780	69.72 % 68.82 %	26.74 % 27.57 %	3.54 % 3.60 %
Yahoo Mail	22773 21881	16600 15708	5440 5424	733 749	72.89 % 71.79 %	23.89 % 24.79 %	3.22 % 3.42 %
AOL Mail	22211 22887	16183 16266	5289 5801	739 820	72.86 % 71.07 %	23.81 % 25.35 %	3.33 % 3.58 %
Mail.com	21414 22474	15941 16360	4797 5395	676 719	74.44 % 72.80 %	22.40 % 24.01 %	3.16 % 3.20 %
Yandex Mail	21568 22302	15407 15591	5408 5921	753 790	71.43 % 69.91 %	25.07 % 26.55 %	3.49 % 3.54 %
GMX Mail	22685 22076	16406 15760	5547 5617	732 699	72.32 % 71.39 %	24.45 % 25.44 %	3.23 % 3.17 %
Zoho Mail	22923 22084	17022 16187	5178 5186	723 711	74.26 % 73.30 %	22.59 % 23.48 %	3.15 % 3.22 %
ProtonMail	22211 22541	16394 16314	5136 5472	681 755	73.81 % 72.37 %	23.12 % 24.28 %	3.07 % 3.35 %
Custom Mail	22615 22611	17184 16882	4743 4994	688 735	75.98 % 74.66 %	20.97 % 22.09 %	3.04 % 3.25 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.