34+ iOS apps curated and reviewed
The best r2r660cc apps on iPhone average 3.3★ across 34+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $0.99 | — | No | No | May 2026 |
| 2 |  | $1.99 | 1.0★ (1) | No | No | May 2026 |
| 3 |  | $0.99 | 1.0★ (1) | No | No | May 2026 |
| 4 |  | $0.99 | 2.0★ (3) | No | No | May 2026 |
| 5 |  | Free | 4.8★ (758) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.2★ (34) | Yes | No | May 2026 |
| 7 |  | $0.99 | 3.8★ (113) | No | No | Jul 2026 |
| 8 |  | Free | 2.3★ (14) | No | No | Jun 2026 |
This calculator app features large buttons and a clear, bright display for easy input and visibility, even outdoors. It calculates equations in the order they are entered, unlike some other mobile calculators that prioritize operator precedence.
This application plays video files continuously, offering playback controls like zoom and aspect ratio adjustments. It supports external display output and file transfer via FTP when connected to Wi-Fi. Note that it does not convert video formats.
This utility app functions as a basic clock with alarm features. It allows customization of alarm sounds using iPod library tunes and includes a screen burn-in prevention mechanism by slightly shifting the clock's position.
A straightforward calendar app for Apple Watch and iPhone. It displays monthly views, allowing easy navigation to past and future months using the digital crown and force touch. Quickly check dates from previous or upcoming months.
Explore the world of motorcycles, from sportbikes to off-road. Discover the latest machines, essential gear, and accessories. Immerse yourself in the two-wheel lifestyle with in-depth articles and passionate insights.
This app serves as a comprehensive resource for motorcycle enthusiasts, offering advice on purchasing, maintaining, and modifying various bike types. Users can also find riding partners, join clubs, and buy or sell moto gear.
This app is a powerful tool for RC car enthusiasts to calculate maximum speed and optimize gearing. It allows users to save setups, add notes, and email records for detailed tracking of performance. Supports a wide range of LiPo batteries and provides multiple calculation metrics.
Fine-tune your compatible KX motocross/enduro machine's engine mapping for optimal performance in various conditions. Monitor engine data, log maintenance, and record setup changes with an intuitive interface.
Control your Yamaha YZF-R1/R1M motorcycle's electronic settings directly from your smartphone. Adjust parameters, save configurations, and share them with friends for a customized riding experience.
This app serves as a wholesale merchant for motorcycle accessories and spare parts. It provides a platform for users to browse and purchase a variety of bike components.
Estimate your RC car's top speed by inputting details about its gearing, motor, and batteries. Record your estimates and actual speeds to compare different setups.
Easily calculate suspension geometry for RC cars using pill inserts. This tool helps you understand the exact setup you'll achieve with different insert arrangements, simplifying complex adjustments for a better driving experience.
Explore the history and specifications of Yamaha's WR dirt bike line. This comprehensive guide offers detailed information, including pictures and performance data, for enthusiasts of Yamaha motorcycles.
This app helps RC car enthusiasts measure and adjust tire camber angles for optimal performance. It eliminates the need for physical tools, making adjustments convenient at the track or pit stop.
Access a leading monthly motorcycle magazine covering reviews, road tests, technical features, and motorsports. Explore motorcycle culture and stay updated on the latest in the biking world.
Optimize your 2-stroke Suzuki RM motorcycle's carburetor for peak performance. This app calculates optimal jetting based on weather conditions, altitude, and engine specifics, allowing for manual input or automatic data retrieval via GPS and network.
