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The Top 19 Easiest To Use Email Client Software

See the top Email Client Software products based on usability ratings. A product’s usability score is calculated by a proprietary algorithm that factors in real user satisfaction ratings of how easy the product is to administer, as well as how well the product meets business requirements, among other ratings. Compare products according to their usability scores to streamline the buying process and quickly identify the best products based on real user experiences.

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Usability Score

Compare

Microsoft Outlook

9.5

Overall Usability Score

9.5

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.3

Ease of Use

Average: 9.0

9.4

Meets Requirements

Average: 8.6

9.5

Customer Segment Breakdown

Small Business

25%

Mid Market

36%

Enterprise

39%

Microsoft 365

9.3

Overall Usability Score

9.3

Usability Score Breakdown

Ease of Admin

Average: 8.9

8.8

Ease of Use

Average: 9.0

9.1

Meets Requirements

Average: 8.6

9.3

Customer Segment Breakdown

Small Business

34%

Mid Market

34%

Enterprise

31%

Shift

9.3

Overall Usability Score

9.3

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.5

Ease of Use

Average: 9.0

9.3

Meets Requirements

Average: 8.6

9.1

Customer Segment Breakdown

Small Business

89%

Mid Market

11%

Enterprise

Missive

9.2

Overall Usability Score

9.2

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.0

Ease of Use

Average: 9.0

8.9

Meets Requirements

Average: 8.6

9.1

Customer Segment Breakdown

Small Business

92%

Mid Market

Enterprise

Zoom Workplace

9.2

Overall Usability Score

9.2

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.1

Ease of Use

Average: 9.0

9.3

Meets Requirements

Average: 8.6

9.2

Customer Segment Breakdown

Small Business

51%

Mid Market

31%

Enterprise

18%

Front

9.2

Overall Usability Score

9.2

Usability Score Breakdown

Ease of Admin

Average: 8.9

8.6

Ease of Use

Average: 9.0

9.2

Meets Requirements

Average: 8.6

9.2

Customer Segment Breakdown

Small Business

49%

Mid Market

42%

Enterprise

Superhuman

9.0

Overall Usability Score

9.0

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.2

Ease of Use

Average: 9.0

9.2

Meets Requirements

Average: 8.6

9.2

Customer Segment Breakdown

Small Business

79%

Mid Market

18%

Enterprise

intheloop.io

8.7

Overall Usability Score

8.7

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.9

Ease of Use

Average: 9.0

9.9

Meets Requirements

Average: 8.6

9.2

Customer Segment Breakdown

Small Business

89%

Mid Market

11%

Kiwi for Gmail

8.7

Overall Usability Score

8.7

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.9

Ease of Use

Average: 9.0

9.7

Meets Requirements

Average: 8.6

8.8

Customer Segment Breakdown

Small Business

80%

Mid Market

18%

Enterprise

#10

Thunderbird

8.4

Overall Usability Score

8.4

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.3

Ease of Use

Average: 9.0

9.1

Meets Requirements

Average: 8.6

9.0

Customer Segment Breakdown

Small Business

64%

Mid Market

25%

Enterprise

11%

#11

Outlook4Gmail

8.2

Overall Usability Score

8.2

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.0

Ease of Use

Average: 9.0

9.4

Meets Requirements

Average: 8.6

9.4

Customer Segment Breakdown

Small Business

33%

Mid Market

38%

Enterprise

29%

#12

Spike

8.0

Overall Usability Score

8.0

Usability Score Breakdown

Ease of Admin

Average: 8.9

6.9

Ease of Use

Average: 9.0

9.8

Meets Requirements

Average: 8.6

9.6

Customer Segment Breakdown

Small Business

77%

Mid Market

14%

Enterprise

#13

BlueMail

8.0

Overall Usability Score

8.0

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.4

Ease of Use

Average: 9.0

9.2

Meets Requirements

Average: 8.6

7.9

Customer Segment Breakdown

Small Business

56%

Mid Market

16%

Enterprise

28%

#14

Helpwise

7.9

Overall Usability Score

7.9

Usability Score Breakdown

Ease of Admin

Average: 8.9

8.9

Ease of Use

Average: 9.0

8.7

Meets Requirements

Average: 8.6

8.5

Customer Segment Breakdown

Small Business

90%

Mid Market

10%

#15

Drag

7.9

Overall Usability Score

7.9

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.3

Ease of Use

Average: 9.0

9.1

Meets Requirements

Average: 8.6

8.9

Customer Segment Breakdown

Small Business

86%

Mid Market

11%

Enterprise

#16

Trengo

7.8

Overall Usability Score

7.8

Usability Score Breakdown

Ease of Admin

Average: 8.9

8.3

Ease of Use

Average: 9.0

8.2

Meets Requirements

Average: 8.6

8.3

Customer Segment Breakdown

Small Business

73%

Mid Market

26%

Enterprise

#17

Amazon WorkMail

7.3

Overall Usability Score

7.3

Usability Score Breakdown

Ease of Admin

Average: 8.9

8.2

Ease of Use

Average: 9.0

8.8

Meets Requirements

Average: 8.6

7.2

Customer Segment Breakdown

Small Business

68%

Mid Market

22%

Enterprise

11%

#18

HCL Notes

7.0

Overall Usability Score

7.0

Usability Score Breakdown

Ease of Admin

Average: 8.9

8.0

Ease of Use

Average: 9.0

6.8

Meets Requirements

Average: 8.6

6.7

Customer Segment Breakdown

Small Business

21%

Mid Market

21%

Enterprise

57%

#19

Mailbird

6.6

Overall Usability Score

6.6

Usability Score Breakdown

Ease of Admin

Average: 8.9

9.2

Ease of Use

Average: 9.0

7.3

Meets Requirements

Average: 8.6

5.6

Customer Segment Breakdown

Small Business

80%

Mid Market

17%

Enterprise