249+ iOS apps curated and reviewed
Every iPhone needs a few good n4studies apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 5.0★ (1) | No | No | Jun 2026 |
| 2 |  | $7.99 | — | No | No | Jul 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | 4.3★ (6) | — | No | Aug 2026 |
| 5 |  | Free | 2.0★ (1) | No | No | Aug 2026 |
| 6 |  | Free | 4.0★ (8) | Yes | No | Jul 2026 |
| 7 |  | Free | 2.8★ (5) | No | No | May 2026 |
| 8 |  | Free | — | No | No | Jul 2026 |
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.
This tool helps marketers and researchers calculate sample size requirements and confidence intervals. It offers customizable startup screens and explanations of research terms.
Prepare for the JLPT N4 listening exam with this educational app. It offers practice questions featuring audio and video clips, allowing users to select answers based on what they hear.
This app is a comprehensive Japanese grammar learning assistant. It provides detailed explanations, example sentences, and comparisons of similar grammar points to help learners overcome difficulties. Features include daily grammar cards, categorized lessons, quick search, and a practice test bank.
This utility displays all installed fonts on your device, including their variants and sizes. You can input custom text to preview how it will appear across different devices and applications. It's designed for developers to easily find and test fonts.
Create professional-sounding beats on your mobile device with a wide variety of samples, including those inspired by famous songs. Enhance your tracks with effects, use a metronome for perfect timing, and record your creations to share.
This web browser offers fast and secure internet access, integrating Google Search and Lens for quick information retrieval. It provides robust security features like enhanced protection and password management, and syncs your data across devices for seamless browsing.
This app calculates sample sizes for statistical studies. It dynamically adjusts the sample size based on user inputs for margin of error, confidence level, population size, and proportion.
Master Japanese vocabulary and kanji for JLPT exams from N5 to N1. Features include audio pronunciation, flashcards, listening exercises, and progress tracking to aid memorization and test preparation.
This app helps users study Japanese grammar for the JLPT exams across all levels (N5-N1). It offers a comprehensive database of over 1000 grammar points with examples, search functionality, and practice exercises to aid in learning and review.
Master Japanese Kanji for the JLPT N3 exam with this comprehensive study tool. Practice readings, learn example compounds, and play engaging kanji games. Expand your learning with optional in-app purchases for more content.
Prepare for the JLPT N5 listening exam with this educational app. It offers practice questions and listening exercises with audio to help you master Japanese comprehension.
Access essential campus information and services on the go. Find maps, course details, faculty contacts, and event schedules. Receive important alerts and news directly to your device.
This app offers a comprehensive Japanese vocabulary learning experience with a vast selection of wordbooks covering textbooks, proficiency tests, and daily life. It features interactive learning methods, AI-powered pronunciation feedback, and gamified challenges to make memorization effective and enjoyable.
Master Japanese Kanji for JLPT N4 and N5 levels with this comprehensive study tool. It offers organized kanji practice, example compounds, and reading tests. An in-app store allows for purchasing additional content.
Prepare for the Japanese Language Proficiency Test (JLPT) N3 with this educational app. It offers comprehensive practice in Kanji, Vocabulary, and Grammar, with each category divided into lessons and multiple-choice questions to enhance your skills.