If you are looking for a Netflix IPA because your device is too old for the latest App Store version , there is a safe, official workaround:

: Apple frequently revokes the enterprise certificates used to sign these modded apps. This means the app will suddenly stop working, often within days of installation. Safer Alternatives

However, installing modified apps can pose risks, including:

Netflix offers a in many countries (costing $4-7 USD per month). It allows streaming on one phone or tablet at 480p resolution . While not 4K, it is perfectly watchable on a small screen. This costs less than a single movie ticket.