207+ iOS apps curated and reviewed
Out of 207+ function tester apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.
Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.
Test your device's hardware and screen functionality. Get detailed device information and generate a shareable PDF report of your tests.
Earn money online by sharing your opinions on products and services. Companies worldwide seek your unique perspective to improve their offerings. New testing opportunities are available daily, requiring only your thoughts and a device with a microphone.
Easily test pre-release versions of apps and App Clips. Provide feedback to developers before public launch. Receive invites via email or public link.
Easily test and troubleshoot your game controllers on iOS devices. Visualize controller layouts, test buttons, sticks, and pressure-sensitive triggers. Connect multiple controllers and get help with connections. Offers a premium subscription for an ad-free experience and advanced features.
This platform connects players with game developers to improve game quality. Users can accept and complete game tests on the go, receive push notifications for new opportunities, and access a support team. The app is regularly updated to enhance the user experience.
Test your internet connection speed, latency, and video streaming quality with a single tap. Explore network coverage maps and secure your connection with a built-in VPN. Get detailed reports and troubleshoot performance issues.
Generate various audio test tones, including sine, square, and sawtooth waves. Explore frequency and volume sweeps, custom presets, and different types of noise. Advanced settings allow for fine-tuning signal parameters and creating complex multi-tone sequences.
Join a global community of shoppers to test products and share honest reviews. Receive free products at your door and help others make informed purchasing decisions. Earn rewards and climb leaderboards by contributing your feedback.
Test your PS5, PS4, Xbox, or MFi game controllers with real-time visual feedback. Detect issues like stick drift, check all buttons, triggers, vibration, and motion sensors before buying or after repairs. Offers advanced diagnostics with an optional Pro subscription.
Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.
This app allows freelance testers to find and participate in app, website, and game testing projects on the go. Earn money by reporting bugs, reproducing issues, and confirming fixes. It provides tools for managing tasks, submitting reports, and tracking earnings.
Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.
This app allows you to earn money by testing websites and mobile applications. You'll answer questions, record your screen and voice, and provide feedback on digital assets. Test from home on your own schedule and get compensated for your time.
Earn money by participating in online surveys and product tests. This platform offers flexible opportunities to earn rewards, with fast payouts and the chance to upgrade for higher-paying assignments. Join a large community of testers and start earning from home or on the go.
This app allows users to earn rewards by testing new applications and games and providing feedback. It offers daily missions and bonus challenges to maximize earnings. The platform is free to use and provides real-world rewards with quick payouts.
Test and troubleshoot MFi certified game controllers on your iPhone, iPod Touch, and iPads. Accurately visualize button presses, stick movements, and pressure sensitivity for all supported controllers. Discover a fun surprise in the credits.
Become an online tester and earn rewards by trying new products, taking surveys, and providing feedback. Redeem your points for gift cards, discounts from top brands, or cash payouts via PayPal.
Diagnose and troubleshoot wireless game controllers with ease. Connect via Bluetooth to visualize all button presses, stick movements, and pressure-sensitive inputs for various popular console and MFi controllers.