When WhatsApp was officially supported on JioPhone (primarily on KaiOS 2.5), it included these key features: WhatsApp for JioPhone on KaiOS

As of late 2024/early 2025, official support for WhatsApp on KaiOS has ended. This means even if you find a way to sideload the specific KaiOS-compatible file (which is not an APK), the service itself has been shut down for this platform.

| Feature | Android | KaiOS (on Jio Phone) | | :--- | :--- | :--- | | | .apk | .kpk , .zip (native) | | Runtime | Android Runtime (ART/Dalvik) | Gecko (Firefox-based) + Gaia UI | | App source | Google Play Store, APK mirrors | KaiStore (primary) | | Binary compatibility | ARMv7/ARM64/ x86 | ARMv7 (but with KaiOS APIs) |