If you're looking for an app to write the perfect text message for every situation, FireTexts is a good option. The mobile app, which uses large language AI and GPT-4 technology, will write messages for birthdays, thank-yous, and even rejection. It's lightweight, lets you add context for more personalized messages, and is available on iOS and Android devices with a 4.5-star rating on the app stores.
Another option is WingAI, which is geared specifically for writing interesting dating app messages. It analyzes screenshots of potential matches' bios to write AI-generated messages that are designed to get more responses, which can be helpful for people short on time. WingAI doesn't share user data and offers a free trial with the ability to upgrade for more features.
If you need help with email and messaging chores, Flowrite could be a good option. The AI tool writes original messages based on prompts you enter and integrates with common email and messaging tools. It's got a library of templates and various pricing tiers, so you can use it for personal or professional purposes.