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Caching is critical for mobile app performance: memory cache (fast access), disk cache (persistent storage), image caching, API response caching. Key strategies: LRU (Least Recently Used), TTL (Time To Live), cache invalidation, multi-level caching. Popular libraries: SDWebImage (iOS), Glide (Android), Kingfisher, and native solutions. Caching improves load times, reduces data usage, enables offline functionality, improves user experience. Important aspects: cache size limits, eviction policies, synchronization, cache warming.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

💾 Types of Caching

In-memory cache, fast access, RAM storage, limited size, volatile, LRU eviction, NSCache iOS, LruCache Android

Persistent cache on disk, file system, larger capacity, slower access, survives app restarts, SQLite, file-based

Specialized image caching, thumbnail generation, progressive loading, format optimization, memory + disk caching

API response caching, HTTP cache headers, ETags, offline support, stale-while-revalidate, network optimization

Local database caching, SQLite, Realm, Core Data, query results caching, data persistence, sync strategies

CDN edge caching, static assets, global distribution, low latency, automatic invalidation, cloud caching

жива демонстрація · пов'язана симуляція● LIVE

📊 Cache Hit Rate Impact

Load Time Impact from Cache Hit Rate (%)

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