SlimByte vs BK400

Your videos eat your phone storage. SlimByte gives it back. The Apple way — simple controls, the right options, nothing in the way. Pick videos, choose target, hit Convert. Typical iPhone recordings drop 70–90% in size with the quality you see kept intact. SMART COMPRESSION • Reduce 4K to 1080p, 720p, or any preset — or let Auto-Optimize pick per video • HEVC, H.264, MP4, MOV — work with what your library already uses • Custom bitrate control for finer-grained quality vs. size • Adjust frame rate independently (60fps → 30fps saves real space) • HDR → SDR conversion for sharing-friendly compatibility • Batch convert dozens of videos in one queue BUILT FOR iOS • Native iOS 26 design — Liquid Glass throughout • Background conversion that survives device lock — start a batch, lock your phone, come back to finished files • Live Activity on the Lock Screen tracks per-video progress • Saved files keep original creation date, modification date, and location metadata — they sit naturally next to originals in your Photos library • Works on iPhone and iPad GALLERY + LIBRARY TOOLS • Browse and filter your videos by resolution, HDR/SDR, or date • Preview before you convert • Detailed info per video — resolution, duration, file size, codec PRIVATE BY DESIGN • Runs entirely on your phone — nothing uploaded, no servers, no cloud • No analytics, no tracking, no ads, no accounts • No watermarks on free or paid output — ever • Apple's privacy nutrition label confirms minimal data collection FREE TIER • 10 conversions every month — refreshed automatically • Every feature except Auto-Optimize included • Full interface, batch processing, all formats, all quality controls • No ads, no watermarks, no upsell popups during conversion PREMIUM • Unlimited conversions • Auto-Optimize — SlimByte picks the right settings per video so you don't have to • 1 week — $1.99 • 1 month — $2.99 • 1 year — $34.99 (works out to $2.92/month) SUPPORT Questions? Tap Settings → Help & Support. We read every message. Terms of Use: https://slimbyte.app/terms Privacy Policy: https://slimbyte.app/privacy

BK400 is a professional Bluetooth car battery diagnostic tool. Connect to BK400 hardware via Bluetooth to monitor real-time voltage, plot live curves, and perform cranking tests, charging tests, and waveform analysis to fully evaluate battery health. Schedule automatic voltage sampling tasks and review historical data with interactive charts across customizable date ranges. Manage multiple devices simultaneously with fully isolated data. Built-in OTA firmware updates keep your device current. Use the vehicle finder to locate your car on a map. Generate professional diagnostic reports with one tap and share them with customers. Supports 15 languages for users worldwide. BK400 是一款专业的汽车蓄电池蓝牙智能检测工具。通过蓝牙连接 BK400 硬件设备，您可以实时监控电池电压、绘制电压曲线，并进行启动测试、充电测试和波形测试，全面评估电池健康状态。支持静态电压采集和定时任务，自动记录历史数据并生成可视化图表，支持按日期范围查看趋势。多设备同时管理，数据完全隔离互不干扰。内置 OTA 固件升级功能，确保设备始终运行最新版本。寻车功能通过地图标注设备位置，轻松找到您的车辆。一键生成包含启动测试与充电测试数据的专业检测报告，方便分享给客户。支持 15 种语言，满足全球用户需求。