App basic descriptive information
| | | | |
Paid apps on iTunes, and price ($)
|
6 (26 %)
|
3.49 (.55)
|
3.49 (1.0)
|
2.99–3.99
|
Paid apps on GP, and price ($)
|
5 (22 %)
|
3.27 (.70)
|
2.99 (1.0)
|
2.99–3.99
|
Avg. user rating on iTunes (scale: 1–5)
|
22 (96 %)
|
4.3 (.6)
|
4.5 (.5)
|
2.0–5.0
|
Avg. user rating on GP (scale: 1–5)
|
23 (100 %)
|
4.1 (.6)
|
4.2 (.6)
|
2.4–4.7
|
Number of ratings on iTunes (count)
|
22 (96 %)
|
23380.7 (92819.4)
|
1436.5 (5186)
|
11–438279
|
Number of ratings on GP (count)
|
23 (100 %)
|
48257.0 (174679.8)
|
3784 (9037)
|
31–836597
|
Number of technical features per app (0–7)
|
23 (100 %)
|
4.4 (2.2)
|
5 (4)
|
1–12
|
Presence of technical features
| | | | |
Allows behavioural tracking
|
19 (83 %)
|
-
|
-
|
-
|
Manual and semi-automated tracking
|
9 (82 %)
|
-
|
-
|
-
|
Allows sharing
|
8 (9 %)
|
-
|
-
|
-
|
Has app community
|
14 (15 %)
|
-
|
-
|
-
|
Requires login
|
13 (14 %)
|
-
|
-
|
-
|
Password
|
10 (11 %)
|
-
|
-
|
-
|
Works in background
|
14 (15 %)
|
-
|
-
|
-
|
Notifications
|
18 (20 %)
|
-
|
-
|
-
|
Needs internet to work
|
15 (16 %)
|
-
|
-
|
-
|
MARS app quality ratings (1–5)
| | | | |
Engagement
|
23 (100 %)
|
3.0 (.9)
|
2.8 (1.2)
|
1.3–5.0
|
Functionality
|
23 (100 %)
|
3.8 (.9)
|
4.0 (1.1)
|
1.8–5.0
|
Aesthetics
|
23 (100 %)
|
3.4 (1.2)
|
3.8 (2.7)
|
1.5–4.8
|
Information quality
|
23 (100 %)
|
2.2 (.7)
|
2.0 (1.1)
|
1.2–4.1
|
Total score
|
23 (100 %)
|
3.1 (.8)
|
3.2 (1.4)
|
1.9–4.6
|
Number of change techniques
|
23 (100 %)
|
9.3 (4.0)
|
10.0 (6.0)
|
1.0–17.0
|
Presence of effective techniques
| | | | |
Allows goal setting (GS) only
|
1 (4 %)
|
-
|
-
|
-
|
GS and self-monitoring (SM)
|
2 (9 %)
|
-
|
-
|
-
|
GS, SM and feedback (F)
|
16 (70 %)
|
-
|
-
|
-
|
GS, SM, F and description of behaviour (DB)
|
2 (9 %)
|
-
|
-
|
-
|
SM only
|
1 (4 %)
|
-
|
-
|
-
|
SM and F
|
1 (4 %)
|
-
|
-
|
-
|