48+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our proton sheets list covers 48+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (965) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.8★ (45K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (44K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.7★ (3.7M) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.2★ (299) | No | Yes | May 2026 |
| 6 |  | Free | 4.6★ (4.8M) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.7★ (2.4M) | Yes | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Securely store and back up your files and photos with end-to-end encryption. Access your content across devices, share securely with password protection, and enjoy peace of mind with Swiss privacy laws. Offers free storage with upgrade options.
This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.
Create custom digital notebooks with a vast library of stationery or import your own PDFs for annotation. Write naturally with a stylus and organize your notes with dynamic features like live planners and searchable handwriting.
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.
Explore the quantum world and learn about chemical elements by building atoms. This app visually models interactive atoms, allowing you to add or subtract subatomic particles to construct stable elements and unlock them on the periodic table.
This app provides a comprehensive search experience, integrating AI for quick answers and personalized content. It allows you to search using images, voice, or text, and offers features like song identification and real-time translation.
This application provides a secure and efficient email experience with advanced features like spam blocking, smart replies, and multi-account support. It integrates with other Google services for enhanced productivity and collaboration.
Access and manage your data sheets offline. Save, export, and email documents in PDF format from your mobile device.
This AI assistant helps you brainstorm, create content, and simplify complex topics. It integrates with your Google apps to provide personalized assistance, plan trips, and study smarter. Upgrade for advanced features like video generation and deeper research capabilities.
This app calculates proton NMR chemical shifts for various proton types. It uses additivity constants to determine shifts for aliphatic, aromatic, or olefinic protons based on their substituents and positions.
Explore the fundamental building blocks of the universe with this pocket guide to subatomic particles. Learn about the diverse particles that constitute matter and energy, inspired by a popular plush toy collection.
This app serves as a digital lab notebook for researchers and scientists. It allows for easy tracking of experiments, results, and protocols, with features for timers, timestamps, and data synchronization. Research can be shared and collaborated on, ensuring data ownership and accessibility.
Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.
This utility app simplifies the process of calculating sheet counts for packaged products. It automatically determines the number of sheets and loose items based on pre-set units per sheet, enhancing efficiency and accuracy in counting and dispensing.
Access over a million song sheets for various instruments and practice with a built-in drum machine and audio manipulation tools. Organize your music library, create setlists, and share sheets with others.
Access specialized periodic tables for mass spectrometry, EDS, and NMR. View isotopic abundances, x-ray energies, and NMR isotope frequencies for each element. Explore detailed information by interacting with elements and charts.
This app enables chemists to perform molecular modeling on mobile devices. It allows for the creation of molecules through 2D sketching, conversion to 3D structures, and calculation of properties. Access a database of 5,000 molecules for spectra and other atomic data.
