Manage your mobile plan, monitor usage, pay bills, and get exclusive benefits. Easily add new services, contact support via chat, and even get new SIM cards for your family.






56+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our o2 alternative list covers 56+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (182) | No | No | Aug 2026 | |
| 2 | Free | 4.5★ (466) | No | Yes | Aug 2026 | |
| 3 | Free | 4.6★ (423) | No | Yes | Aug 2026 | |
| 4 | Free | 4.6★ (24K) | No | No | Aug 2026 | |
| 5 | Free | 4.6★ (55K) | Yes | Yes | Aug 2026 | |
| 6 | Free | 4.6★ (52K) | No | Yes | Aug 2026 | |
| 7 | $0.99 | 4.5★ (44) | No | Yes | Aug 2026 | |
| 8 | Free | 4.7★ (283K) | Yes | Yes | Aug 2026 |






Manage your mobile plan, monitor usage, pay bills, and get exclusive benefits. Easily add new services, contact support via chat, and even get new SIM cards for your family.




Monitor and record your blood oxygen saturation (SpO2) levels with this personal health tracking app. It offers detailed analytics, daily wellness guides, and data export options. Sync your health data with Apple Health for a comprehensive overview.





Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.


Easily send money globally, make secure online payments, and manage your finances. This app offers fast, cheap, and secure transactions, with options for a prepaid Visa card and multiple funding methods. Receive real-time notifications and enjoy customer support in your language.


Connect with new people globally through video calls and messaging. Discover singles nearby or worldwide using smart filters to find friendships or relationships. Share and watch video stories to express yourself and connect with others.


Manage multiple private phone lines for personal and business use without needing extra SIM cards. Make calls, send texts, and even send/receive faxes worldwide. Offers eSIM data plans and AI-powered communication tools.


Easily monitor your blood oxygen levels with real-time data and clear charts. Track daily averages and wellness trends, with instant syncing from HealthKit to your Apple Watch. Your health data remains private and secure on your device.


This AI assistant leverages advanced language models to help with writing, image transformation, document analysis, and web research. It offers over 100 prompts and integrates with your keyboard for seamless use across apps. Transform photos, summarize documents, and generate social media content with ease.


Track your blood oxygen saturation (SpO₂) with smart alerts and historical data. Understand your overall wellness and make informed health decisions with detailed charts and insights on your iPhone and Apple Watch.


This app detects humanoid bodies and shapes using your device's camera and sensors, mimicking the functionality of a traditional SLS camera. It leverages LiDAR or dual-lens technology for depth perception, aiding in paranormal investigations. It's available for free with optional subscriptions.


Connect with and date plus-size singles, including BBW and BHM individuals, who admire curvy body types. This app facilitates finding friends, long-term relationships, or marriage within the plus-size community.


Monitor your portable oxygen concentrator's battery life, settings, and receive important updates. Access helpful videos and troubleshooting information 24/7, all from your mobile device.


This app connects adults over 18 for dating, friendships, or casual encounters. It uses AI for personalized suggestions and offers features like face authentication and voice introductions for a safer, more convenient experience.


Discover and connect with new people nearby who share your interests for friendly chats and making friends. This platform is for everyone, offering a fun and free way to expand your social circle and meet diverse individuals.


This app provides a unified browsing experience for video platforms, offering features like Chromecast support and picture-in-picture mode. Enjoy a native app feel with added conveniences such as dark mode and a sleep timer.


Connect with millions globally to find friends, dates, or serious relationships. Explore diverse communities based on interests, culture, and lifestyle. Enjoy free chatting and advanced matching features in a safe, inclusive environment.


Monitor blood oxygen levels, pulse rate, and perfusion index in real-time. View waveform and trend charts, ideal for daily health maintenance and sleep analysis.


This application helps medical professionals and supply chain managers calculate total oxygen demand for various medical devices. It supports different oxygen sources like cylinders, liquid oxygen, and concentrators, aiding in efficient supply management for hospitals and individual users.


This app connects to a specific pulse oximeter via Bluetooth to record blood oxygen saturation and pulse rate. It automatically graphs your measurements, aiding in daily health management. View your data in clear graphs and lists for easy tracking.


Calculate the approximate remaining oxygen in portable cylinders. Select your tank size, input current pressure and desired flow rate to see duration in minutes. Features a timer with alerts for low pressure.