If you are trying to recover lost data (photos, messages, or WhatsApp chats) without a subscription, consider these :
UltData is primarily a PC/Mac desktop tool (running on Windows/macOS to scan a connected phone). The term "APK" strictly refers to Android application packages. Many search results labeled "UltData Mod APK" are actually:
The mobile APK (even the official one) is less powerful than the PC/Mac version.