BattCheck vs PairView

1. For Battery System - 6V, 12V, 24V 2. Good for recording up to 5 batteries, one at a time. 3. Instant, in real time, battery capacity, status and charging records. 4. Early warning (Ring and Vibrate on Smartphone) for low voltage or charging voltage too high.

Play two videos simultaneously on your iPhone or iPad. Reviewing your own movements on video is one of the most effective ways to improve at sports — but the real breakthroughs come when you can compare your form side-by-side with a reference video. PairView was built exactly for that. After searching and finding no app that fit this need as of April 2026, that’s why PairView was created. You can import up to 3 videos for free. Unlock unlimited imports with a one-time in-app purchase. Key Features: Split-screen playback in vertical or horizontal layout Independent playback speed control per player (0.1x – 2.0x) Pinch to zoom in/out; drag to reposition each video Supports your iPhone’s video library Import videos from the Files app Switch to single-screen mode at any time Perfect For: Comparing form in sports or musical instrument practice (your video vs. a reference) Before/after comparisons Viewing the same moment from different angles simultaneously Slow-motion movement analysis Requirements: iOS / iPadOS 15.6 or later