250+ iOS apps curated and reviewed
Every iPhone needs a few good ppi apps. We benchmark 250+ 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 |  | Free | 3.2★ (6) | No | No | Aug 2026 |
| 2 |  | Free | 4.5★ (26) | No | No | Aug 2026 |
| 3 |  | Free was $0.99 | 4.5★ (66) | No | No | Aug 2026 |
| 4 |  | Free | 5.0★ (2) | No | Yes | Aug 2026 |
| 5 |  | Free | — | No | No | Aug 2026 |
| 6 |  | Free | 4.4★ (13) | No | No | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 4.3★ (3) | No | No | Jul 2026 |
Easily calculate the Pixels Per Inch (PPI) for any screen, from phones to monitors. Input screen dimensions and diagonal size to get an instant PPI result and determine if it qualifies as a Retina Display. You can also search for device information online and save your calculations.
This mobile companion app provides on-the-go access to Kaplan's PPI online courses and learning hub. It syncs with your desktop account, offering Qbank quizzes, video lectures, flashcards, and progress tracking for test preparation.
Calculate your display's pixel density (PPI) using its dimensions and pixel count. Learn about PPI and DPI definitions, and how to categorize screen resolution.
Track GERD, LPR, and IBS symptoms with a photo food scanner, AI-powered trigger analysis, and doctor-ready reports. Offers guidance for various reflux types, including pregnancy heartburn and off-PPI tapering.
Calculate pixels per inch (PPI) for any screen, along with aspect ratio and screen measurements. View data in inches or centimeters. Includes presets for standard resolutions and common devices.
Calculate display settings like DPI and PPI using only screen resolution and diagonal measurements. This straightforward utility tool provides essential display information.
Prepare for the NCARB Architect Registration Examination 5.0 with over 400 essential concepts and definitions. This app offers practice flashcards, real-world scenarios, and covers all six exam categories to help you study smarter and pass the exam.
Send money internationally with a secure and reliable service. Supports over 170 countries and 100 currencies, with various delivery options including bank accounts, mobile wallets, and cash pickup. Offers business services for international payroll and payments.
Explore a vast selection of makeup, skincare, and haircare products from top brands. Virtually try on shades, get personalized skincare advice, and manage your loyalty rewards. Book beauty services and discover brands that align with your values.
Discover on-trend clothing, intimates, and beauty products. Build a versatile wardrobe with everyday basics and stylish outfits. Enjoy exclusive offers, rewards, and convenient shopping features.
Manage your finances with a secure app for online and in-store shopping, sending money globally, and earning cash back. It also offers savings accounts, cryptocurrency trading, and package tracking.
Shop the latest Nike and Jordan footwear, apparel, and accessories. Become a member for exclusive access to new releases, personalized style advice, and rewards. Discover innovative sport styles and streetwear collections.
Shop the latest fashion trends and classic styles for the whole family with ease. Discover deals, save money with rewards, and enjoy a fast, mobile-friendly checkout. Buy online or pick up in-store.
Log your workouts, view scheduled sessions, and track your progress. This app helps you maximize your training from anywhere. Get the most out of your fitness journey.
This app allows users to remotely control their home NAS devices for content backup and sharing with family. It offers easy content transfer and access for all family members using a shared account.
Navigate your commute with real-time traffic updates and alerts from a community of drivers. Get accurate ETAs, avoid hazards, and find gas stations and parking. Integrates with your car's display for seamless use.
Transform your device into a portable recording studio. Create music with virtual instruments, record vocals and guitars, and mix multi-track songs. Explore a vast library of sounds and effects to produce professional-sounding tracks anywhere.