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
387.442 386.815	296.309 291.230	77.267 81.251	13.866 14.334

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 (%)
76.48 % 75.29 %	19.94 % 21.01 %	3.58 % 3.71 %

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	29824 29728	23739 23316	5118 5402	967 1010	79.60 % 78.43 %	17.16 % 18.17 %	3.24 % 3.40 %
Elektronics	29797 29658	22967 22556	5840 6071	990 1031	77.08 % 76.05 %	19.60 % 20.47 %	3.32 % 3.48 %
Entertainment	29705 29767	22638 22297	5971 6378	1096 1092	76.21 % 74.91 %	20.10 % 21.43 %	3.69 % 3.67 %
Cosmetics & Beauty	29911 29712	22808 22258	6027 6286	1076 1168	76.25 % 74.91 %	20.15 % 21.16 %	3.60 % 3.93 %
Food & Drink	29829 30447	23626 23798	5220 5647	983 1002	79.20 % 78.16 %	17.50 % 18.55 %	3.30 % 3.29 %
Home & Garden	29688 30205	23630 23671	5099 5550	959 984	79.59 % 78.37 %	17.18 % 18.37 %	3.23 % 3.26 %
Finance	29732 29812	21697 21439	6837 7106	1198 1267	72.98 % 71.91 %	23.00 % 23.84 %	4.03 % 4.25 %
Health	29875 29791	22098 21624	6654 6977	1123 1190	73.97 % 72.59 %	22.27 % 23.42 %	3.76 % 3.99 %
Pets	29974 30013	23621 23247	5368 5736	985 1030	78.80 % 77.46 %	17.91 % 19.11 %	3.29 % 3.43 %
Sport & Fitness	29942 29347	22562 21861	6232 6328	1148 1158	75.35 % 74.49 %	20.81 % 21.56 %	3.83 % 3.95 %
Job & Career	29847 29527	22295 21670	6376 6669	1176 1188	74.70 % 73.39 %	21.36 % 22.59 %	3.94 % 4.02 %
Dating	29778 29392	21341 20732	7241 7493	1196 1167	71.67 % 70.54 %	24.32 % 25.49 %	4.02 % 3.97 %
Other	29540 29416	23287 22761	5284 5608	969 1047	78.83 % 77.38 %	17.89 % 19.06 %	3.28 % 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	38585 39508	28305 28352	8787 9569	1493 1587	73.36 % 71.76 %	22.77 % 24.22 %	3.87 % 4.02 %
Outlook Mail	38320 37965	28266 27742	8531 8706	1523 1517	73.76 % 73.07 %	22.26 % 22.93 %	3.97 % 4.00 %
Yahoo Mail	39382 38297	30044 28800	7942 8051	1396 1446	76.29 % 75.20 %	20.17 % 21.02 %	3.54 % 3.78 %
AOL Mail	38738 39018	29497 29127	7807 8369	1434 1522	76.14 % 74.65 %	20.15 % 21.45 %	3.70 % 3.90 %
Mail.com	37931 38744	29485 29547	7118 7806	1328 1391	77.73 % 76.26 %	18.77 % 20.15 %	3.50 % 3.59 %
Yandex Mail	38099 38597	28546 28422	8058 8671	1495 1504	74.93 % 73.64 %	21.15 % 22.47 %	3.92 % 3.90 %
GMX Mail	39108 38543	30036 29305	7712 7903	1360 1335	76.80 % 76.03 %	19.72 % 20.50 %	3.48 % 3.46 %
Zoho Mail	39431 38361	30722 29601	7346 7423	1363 1337	77.91 % 77.16 %	18.63 % 19.35 %	3.46 % 3.49 %
ProtonMail	38703 38873	30289 29891	7186 7611	1228 1371	78.26 % 76.89 %	18.57 % 19.58 %	3.17 % 3.53 %
Custom Mail	39145 38909	31119 30443	6780 7142	1246 1324	79.50 % 78.24 %	17.32 % 18.36 %	3.18 % 3.40 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.