n4Studies vs Union Catalog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Union Catalog
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Union Catalog is the official mobile app for the Health Science Union Catalog of Myanmar. Search and discover bibliographies across 16 health science university libraries — all in one place. Whether you are a medical student, researcher, faculty member, or librarian, Union Catalog gives you instant access to thousands of books, dissertations, journals, and research papers from Myanmar's leading health science institutions. KEY FEATURES: - Search & Discover Search across 47,000+ bibliographies from 16 university libraries. Find books, dissertations, journals, research papers, and more with simple keyword search or advanced multi-criteria search. - Advanced Search Build complex queries with multiple search criteria. Filter by title, author, subject, publisher, year, or degree. Use AND, OR, NOT operators and choose between all words, any word, or exact phrase matching. - Filter by University & Type Narrow results by selecting specific universities or catalog types including books, dissertations, journals, protocols, research papers, and more. - View Abstracts & Contents Read abstracts and table of contents directly within the app using the built-in PDF viewer. No need to switch to an external browser. - Bookmark & Save Save your favorite bibliographies for quick access later. All bookmarks are stored locally on your device for offline reference. - Catalog Statistics View visual statistics of the entire catalog with interactive charts. See the distribution of bibliographies by university and by catalog type. - iPad Compatible Enjoy a responsive layout optimized for both iPhone and iPad with side navigation on larger screens. PARTICIPATING UNIVERSITIES: University of Medicine 1 Yangon, University of Medicine 2 Yangon, University of Medicine Mandalay, University of Medicine Magway, University of Medicine Taunggyi, University of Dental Medicine Yangon, University of Dental Medicine Mandalay, University of Pharmacy Yangon, University of Pharmacy Mandalay, University of Medical Technology Yangon, University of Medical Technology Mandalay, University of Nursing Yangon, University of Nursing Mandalay, University of Public Health, University of Community Health Magway, and University of Traditional Medicine Mandalay. Union Catalog is developed and maintained in collaboration with Myanmar health science university libraries to support education and research in the health sciences. Website: www.healthscienceucat.com.mm
Screenshots
Verdict
The clearest difference is price: Union Catalog at Free against n4Studies's $1.99. Union Catalog also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On 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
Union Catalog is free to download; n4Studies costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | n4Studies | Union Catalog |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Chetta Ngamjarus | Kaung Htet Aung |
In-app purchases
n4Studies
No in-app purchases
Union Catalog
No in-app purchases









