Version history
n4Studies
30
ASO score
Text
21/100
Reviews
50/100
Graphic
42/100
Other
0/100
App Rating
4.1
Votes
38
App Age
12y 4m
Last Update
Feb 20, 2024
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.11
|
4.46
|
-8%
|
|
Number of Ratings (Voted)
|
38
|
471.7K
|
-100%
|
|
App Age
|
12y 4m
|
6y 1m
|
+101%
|
|
Price
|
$2
|
$0
|
|
|
In-app Purchases Price
|
$0
|
$37
|
|
|
Update Frequency
|
663d
|
44d
|
+1 394%
|
|
Title Length
|
9
|
25
|
-64%
|
|
Subtitle Length
|
9
|
27
|
-67%
|
|
Description Length
|
1 234
|
2 590
|
-52%
|
|
Number of Screenshots
|
379
|
987
|
-62
%
|
|
Size
|
8MB
|
166MB
|
-95
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
|
No results were found!
|
||
Ranking Keywords in United States
| Keywords | App Rank |
|---|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
9
of 30
)
n4Studies
Subtitle
(
Characters:
9
of 30
)
n4Studies
Description
(
Characters:
1234
of 4000
)
Ease to calculate the sample size with n4Studies.
n4Studies makes it easy to calculate the sample size and the power of a study. It comes with ABSOLUTELY NO WARRANTY. However, It can help to learn and find the ways to calculate the sample size and power of the study in minutes.
Key features:
• Calculate the sample size for estimating an infinite population mean, finite population mean, infinite population proportion and finite population proportion
• Calculate the sample size for comparing two population means and two population proportions
• Calculate the sample size for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial
• Calculate the power of a study for comparing two population means and two population proportions
• Calculate the power of a study for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial
• Calculate the power of a study for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial
• You can send a result via Email to your colleague}
Read more
Other
Additional Information
Version history
2.3
Feb 20, 2024
Fix some issues
2.2
Aug 03, 2023
Version 2.2 - Add the probability calculations from odds ratio and risk ratio