Most reputable tools are commercial and expensive

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Trustworthiness: As with any third-party software dealing with sensitive data, scrutinize the vendor's reputation. Some tools may be malicious or ineffective.

Effectiveness: WhatsApp and Apple constantly update their security. A tool that works today might not work tomorrow. Older versions of WhatsApp encryption are more widely supported. Newer .crypt14 or later versions are particularly challenging.
Data Integrity: Incorrect usage or faulty tools could corrupt taiwan whatsapp mobile phone number list your backups or device data.

Decryption Keys: Even if a tool can extract the database, decrypting the actual message content from recent WhatsApp versions on iOS is highly dependent on how WhatsApp secures the encryption key. The key is usually stored in the iPhone's keychain, which is extremely secure. Getting access to this key without jailbreaking or specific forensic methods is almost impossible.