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
113.211 113.949	72.588 71.091	37.678 39.710	2.945 3.148

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 Rate	Spam Rate	Lost Rate
64.12 % 62.39 %	33.28 % 34.85 %	2.60 % 2.76 %

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 Rate	Spam Rate	Lost Rate
Clothing	8673 8813	5962 5942	2486 2630	225 241	68.74 % 67.42 %	28.66 % 29.84 %	2.59 % 2.73 %
Elektronics	8990 8771	5732 5438	3020 3090	238 243	63.76 % 62.00 %	33.59 % 35.23 %	2.65 % 2.77 %
Entertainment	8674 8983	5517 5544	2930 3190	227 249	63.60 % 61.72 %	33.78 % 35.51 %	2.62 % 2.77 %
Cosmetics & Beauty	8904 8735	5694 5419	2976 3072	234 244	63.95 % 62.04 %	33.42 % 35.17 %	2.63 % 2.79 %
Food & Drink	9162 9406	6266 6288	2655 2862	241 256	68.39 % 66.85 %	28.98 % 30.43 %	2.63 % 2.72 %
Home & Garden	8425 8835	5784 5895	2424 2697	217 243	68.65 % 66.72 %	28.77 % 30.53 %	2.58 % 2.75 %
Finance	8697 8472	5104 4842	3366 3397	227 233	58.69 % 57.15 %	38.70 % 40.10 %	2.61 % 2.75 %
Health	8791 8826	5185 5022	3378 3561	228 243	58.98 % 56.90 %	38.43 % 40.35 %	2.59 % 2.75 %
Pets	8685 8895	5969 5935	2494 2717	222 243	68.73 % 66.72 %	28.72 % 30.55 %	2.56 % 2.73 %
Sport & Fitness	8689 8178	5536 5075	2925 2876	228 227	63.71 % 62.06 %	33.66 % 35.17 %	2.62 % 2.78 %
Job & Career	8489 8683	5411 5388	2858 3053	220 242	63.74 % 62.05 %	33.67 % 35.16 %	2.59 % 2.79 %
Dating	8610 8596	4639 4453	3751 3906	220 237	53.88 % 51.80 %	43.57 % 45.44 %	2.56 % 2.76 %
Other	8422 8756	5789 5850	2415 2659	218 247	68.74 % 66.81 %	28.67 % 30.37 %	2.59 % 2.82 %

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 Rate	Spam Rate	Lost Rate
Gmail	11210 12119	6574 6872	4344 4910	292 337	58.64 % 56.70 %	38.75 % 40.51 %	2.60 % 2.78 %
Outlook Mail	11198 10600	6769 6228	4135 4080	294 292	60.45 % 58.75 %	36.93 % 38.49 %	2.63 % 2.75 %
Yahoo Mail	11680 10888	7635 6937	3749 3647	296 304	65.37 % 63.71 %	32.10 % 33.50 %	2.53 % 2.79 %
AOL Mail	11258 11897	7354 7544	3614 4028	290 325	65.32 % 63.41 %	32.10 % 33.86 %	2.58 % 2.73 %
Mail.com	10682 11371	7140 7348	3266 3709	276 314	66.84 % 64.62 %	30.57 % 32.62 %	2.58 % 2.76 %
Yandex Mail	10699 11430	6777 7048	3648 4063	274 319	63.34 % 61.66 %	34.10 % 35.55 %	2.56 % 2.79 %
GMX Mail	11747 11194	7326 6800	4101 4085	320 309	62.36 % 60.75 %	34.91 % 36.49 %	2.72 % 2.76 %
Zoho Mail	11877 11196	7861 7238	3703 3652	313 306	66.19 % 64.65 %	31.18 % 32.62 %	2.64 % 2.73 %
ProtonMail	11329 11640	7272 7320	3763 4002	294 318	64.19 % 62.89 %	33.22 % 34.38 %	2.60 % 2.73 %
Custom Mail	11531 11614	7880 7756	3355 3534	296 324	68.34 % 66.78 %	29.10 % 30.43 %	2.57 % 2.79 %

Compare ConvertKit with other providers

Compare the email deliverability of ConvertKit with other providers.