Comparison

n4Studies vs Exam Pod

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

n4Studies

This application simplifies sample size and study power calculations for various research designs. It offers tools for estimating population means and proportions, comparing groups, and analyzing different study types like case-control and randomized controlled trials. Results can be easily shared via email.

Highlights
  • Calculate sample size for infinite/finite populations
  • Compare two population means/proportions
  • Calculate sample size for various study designs
  • Calculate study power for comparisons
  • Calculate study power for various study designs
  • Share results via email
Features
Read full description

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

About

Exam Pod

Create and administer engaging online exams with an intuitive test maker. This system allows for easy customization of difficulty levels and provides users with appropriate feedback.

Highlights
  • Easy test maker
  • Create online exams
  • Customizable difficulty levels
  • Provide user feedback
  • Engaging exam format
Features
Read full description

This is the best examination system you will ever need! With our easy test maker you will set up your own engaging exams that fit any kind of difficulty level. Build and create your online exams & tests with great ease and provide your users with appropriate feedback

Screenshots

n4Studies4 screens
Exam Pod1 screens

Verdict

The call

The clearest difference is review sentiment: n4Studies at 100% against Exam Pod's 8%. n4Studies also leads on rating (5.0 vs 1.0). Exam Pod's advantage is price (Free vs $1.99) and update cadence (fortnightly vs every 4 months). On ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Exam Pod is free to download; n4Studies costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

n4Studies holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of n4Studies's written reviews are positive against 8% of Exam Pod's.

UpkeepUpdate frequency

n4Studies ships an update every 4 months, Exam Pod fortnightly. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

Scorecard7 real differences · 3 level
n4Studies versus Exam Pod: the parameters behind the verdict, then further details
Parametern4StudiesExam Pod
Price$1.99Free — better
Rating5.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better8.0% of reviews
Number of ratings11
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size8 MB9 MB
Age rating4+4+
DeveloperChetta NgamjarusDeverhood HT Co.,Ltd.

Customer experience

n4Studies

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Exam Pod

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews50 reviews
Positive8.0%
Neutral6.0%
Negative86.0%

In-app purchases

None

n4Studies

No in-app purchases

None

Exam Pod

No in-app purchases

Questions

Is n4Studies free?
n4Studies costs $1.99, with no in-app purchases.
Is Exam Pod free?
Exam Pod is free to download, with no in-app purchases.
Which has better reviews, n4Studies or Exam Pod?
n4Studies is rated higher. n4Studies averages 5.0 out of 5 from 1 ratings, while Exam Pod averages 1.0 from 1 ratings.
Do n4Studies or Exam Pod have ads?
Neither n4Studies nor Exam Pod shows ads.
Which is updated more often, n4Studies or Exam Pod?
n4Studies ships an update every 4 months, and Exam Pod fortnightly. Most recently, n4Studies was updated on October 2, 2026 and Exam Pod on October 12, 2026.

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