What's the best iOS app for accurately testing my internet connection speed?

SpeedCheck's is a dedicated iOS application designed for users who need reliable internet speed testing directly from their devices. It stands out for its straightforward approach to measuring download and upload speeds, along with ping and latency data, which are crucial for assessing network health. The app automatically connects to nearby servers to minimize discrepancies, providing results that many find consistent with ISP benchmarks. Features like one-tap testing and a history log allow users to track performance over time, making it useful for identifying patterns during peak usage hours or when troubleshooting connectivity problems. Reviews indicate that the app's minimal ad placement in the free version doesn't interfere with functionality, though some users note that advanced metrics, such as jitter analysis, are reserved for premium tiers. In real-world scenarios, such as checking Wi-Fi performance before video calls or gaming sessions, SpeedCheck's offers quick insights without unnecessary complexity. However, occasional server unavailability during high traffic can delay tests, a minor hiccup that developers address through regular updates. Overall, it balances ease of use with detailed reporting, catering to both casual users and those with more technical needs.