# ntfy.sh iOS - Android Feature Parity This document is to keep track of the feature parity between the iOS and Android ntfy.sh apps. **Last Updated: 2021-02-26** | Feature | iOS | Android | Notes | | --- | --- | --- | --- | | Subscribe to default server topic | :white_check_mark: | :white_check_mark: | | Subscribe to self-hosted server topic | :x: | :white_check_mark: | Not yet implemented | | Instant delivery | :x: | :white_check_mark: | Foreground services not possible in iOS | | Pause notifications | :x: | :white_check_mark: | Will likely require [Filtering](https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_developer_usernotifications_filtering) to prevent displaying notifications while still receiving them | | Send test notification | :white_check_mark: | :white_check_mark: | Not fully implemented | | Unsubscribe from topic | :white_check_mark: | :white_check_mark: | | Delete notifications | :white_check_mark: | :white_check_mark: | | Notification priority | :warning: | :white_check_mark: | Displays an exclamation mark in notification row for high.max priority, no changes to the actual push notification (sounds, vibrations), no prioirty filtering | | Tags and emojis | :white_check_mark: | :white_check_mark: | | Click action | :x: | :white_check_mark: | Not yet implemented | | Attachments | :warning: | :white_check_mark: | Not fully implemented | | User Authentication | :warning: | :white_check_mark: | Not fully implemented | | Dark mode | :white_check_mark: | :white_check_mark: | Dependent on iOS dark mode, may add override in | | Logging | :x: | :white_check_mark: | Not yet implemented | | Share to topic | :x: | :white_check_mark: | Not yet implemented |