Table 2 Characteristics of tools that have data collection, management and analysis functionalities based on systematic review, survey and website/contact with tool developers (n = 28)

Windows compatible

26

0

2

100

Data encryption

18

2

8

90

Linux compatible

15

2

11

88

Data visualisation

23

3

2

88

Free software

20

3

5

87

Apple compatible

17

3

8

85

Offline data collection

22

4

2

85

Web data entry available

22

4

2

85

GPS collection

20

4

4

83

Mobile application available

21

7

0

75

Open source

15

9

4

63

Cloud and local server for data storage

14

14

0

50

Two or more mobile operating systems supported

13

15

0

46