219+ iOS apps curated and reviewed
Every iPhone needs a few good shv4 calculator apps. We benchmark 219+ 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 | 5.0★ (3) | No | No | May 2026 |
| 2 |  | Free | 4.9★ (49K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (64K) | No | No | Aug 2026 |
| 4 |  | Free | 4.6★ (358K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.3★ (332) | No | No | Aug 2026 |
| 6 |  | Free | 4.5★ (18K) | No | No | Aug 2026 |
| 7 |  | Free | 4.4★ (214) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.7★ (64K) | Yes | Yes | Aug 2026 |
Calculate your vehicle's speedometer error and get setup instructions for a SpeedoHealer module. This free, ad-free tool helps correct inaccurate speed and odometer readings on most motorcycles and some cars. It offers troubleshooting information and is compatible with non-cable driven speedometers.
This application displays your current speed in miles per hour, kilometers per hour, or knots. It features a large, clear display with Retina support for optimal visibility. Accuracy is enhanced by adjusting indicator transparency.
This app functions as a sophisticated speedometer, alerting you to speed limit violations with visual and auditory cues. It also provides location sharing, altitude readings, and a GPS black box for trip data. Calculate mileage, costs, and fuel consumption for your journeys.
This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.
Measure your mobile network performance with detailed speed tests for download, upload, and latency across 3G, 4G/LTE, 5G, and WiFi. Analyze video streaming quality and compare network coverage in your area to find the best provider.
This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.
Evaluate your WiFi and mobile 5G, 4G LTE connection with this internet speed test application. It offers one-tap testing, real-time graphs, and detailed tracking of past results. Troubleshoot your ISP's promised speed or calculate transfer times with the built-in bandwidth calculator.
This application tracks your speed and distance traveled using GPS. It displays your current speed in kilometers or miles per hour, records trip data, and can alert you to speed limit changes. It also includes a compass and weather information.
This GPS-powered application displays your current speed in a clear digital format, suitable for vehicles, cycling, or walking. It offers offline functionality and provides additional features like trip distance measurement, altitude tracking, and real-time speed limit warnings.
This aviation calculator app offers 27 functions for navigation, fuel calculations, and conversions. It includes a versatile timer for tracking multiple time zones and performing countdowns with alerts. Designed for pilots, it simplifies complex flight planning and in-flight computations.
This GPS-based app displays your current speed and provides a HUD mode for safe driving. It also shows road names, weather, speed limits, and tracks trip distance and average speed in various units.
This free GPS-based app functions as a digital speedometer and head-up display. It shows current speed, average speed, maximum speed, and road information. It also provides slope data and weather conditions, with optional HUD mirroring for windshield reflection.
This app calculates long-range ballistics to improve shooting accuracy. It accounts for environmental factors like wind, pressure, and temperature, and offers advanced features for specific scope models.
A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.
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.
This all-in-one motorcycle app helps riders plan trips, navigate routes with turn-by-turn GPS, and enhances safety with crash detection and hazard warnings. Connect with a community of riders, share experiences, and track ride statistics.
Measure your mobile connection quality with comprehensive tests for speed, latency, browsing, and streaming. Compare your results with others and view network coverage on an interactive map. Optimize your data usage with efficient testing.
Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.
This app combines a GPS speedometer with a trip computer to track your speed, distance, and time. It offers a unique head-up display (HUD) for windshield viewing and detailed trip logging with export options. Track all your journeys and analyze your travel statistics with ease.