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
394.406 393.672	302.081 296.739	78.208 82.307	14.117 14.626

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 (%)
76.59 % 75.38 %	19.83 % 20.91 %	3.58 % 3.72 %

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	30362 30274	24204 23775	5178 5473	980 1026	79.72 % 78.53 %	17.05 % 18.08 %	3.23 % 3.39 %
Elektronics	30287 30223	23385 23017	5902 6154	1000 1052	77.21 % 76.16 %	19.49 % 20.36 %	3.30 % 3.48 %
Entertainment	30255 30317	23092 22736	6045 6463	1118 1118	76.32 % 74.99 %	19.98 % 21.32 %	3.70 % 3.69 %
Cosmetics & Beauty	30425 30260	23232 22698	6099 6374	1094 1188	76.36 % 75.01 %	20.05 % 21.06 %	3.60 % 3.93 %
Food & Drink	30373 30942	24085 24208	5283 5712	1005 1022	79.30 % 78.24 %	17.39 % 18.46 %	3.31 % 3.30 %
Home & Garden	30268 30694	24131 24073	5167 5614	970 1007	79.72 % 78.43 %	17.07 % 18.29 %	3.20 % 3.28 %
Finance	30282 30341	22132 21846	6922 7200	1228 1295	73.09 % 72.00 %	22.86 % 23.73 %	4.06 % 4.27 %
Health	30386 30289	22511 22012	6731 7063	1144 1214	74.08 % 72.67 %	22.15 % 23.32 %	3.76 % 4.01 %
Pets	30515 30566	24072 23698	5436 5816	1007 1052	78.89 % 77.53 %	17.81 % 19.03 %	3.30 % 3.44 %
Sport & Fitness	30484 29824	23007 22242	6312 6407	1165 1175	75.47 % 74.58 %	20.71 % 21.48 %	3.82 % 3.94 %
Job & Career	30364 30064	22710 22082	6456 6763	1198 1219	74.79 % 73.45 %	21.26 % 22.50 %	3.95 % 4.05 %
Dating	30301 29913	21762 21140	7322 7581	1217 1192	71.82 % 70.67 %	24.16 % 25.34 %	4.02 % 3.98 %
Other	30104 29965	23758 23212	5355 5687	991 1066	78.92 % 77.46 %	17.79 % 18.98 %	3.29 % 3.56 %

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	39282 40208	28873 28900	8892 9689	1517 1619	73.50 % 71.88 %	22.64 % 24.10 %	3.86 % 4.03 %
Outlook Mail	38997 38653	28821 28264	8633 8822	1543 1567	73.91 % 73.12 %	22.14 % 22.82 %	3.96 % 4.05 %
Yahoo Mail	40103 38948	30633 29323	8046 8157	1424 1468	76.39 % 75.29 %	20.06 % 20.94 %	3.55 % 3.77 %
AOL Mail	39425 39683	30059 29658	7908 8474	1458 1551	76.24 % 74.74 %	20.06 % 21.35 %	3.70 % 3.91 %
Mail.com	38624 39394	30060 30076	7211 7901	1353 1417	77.83 % 76.35 %	18.67 % 20.06 %	3.50 % 3.60 %
Yandex Mail	38821 39304	29129 28975	8168 8794	1524 1535	75.03 % 73.72 %	21.04 % 22.37 %	3.93 % 3.91 %
GMX Mail	39819 39192	30627 29837	7798 7995	1394 1360	76.92 % 76.13 %	19.58 % 20.40 %	3.50 % 3.47 %
Zoho Mail	40117 39078	31303 30189	7430 7527	1384 1362	78.03 % 77.25 %	18.52 % 19.26 %	3.45 % 3.49 %
ProtonMail	39371 39631	30858 30520	7262 7715	1251 1396	78.38 % 77.01 %	18.45 % 19.47 %	3.18 % 3.52 %
Custom Mail	39847 39581	31718 30997	6860 7233	1269 1351	79.60 % 78.31 %	17.22 % 18.27 %	3.18 % 3.41 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.