HammerAI
8.0#3 in ai roleplay chatbotsFrom $9 a monthFree planAndroidiOSWebLinux
VisitHammerAI vs Rubii
What both publish
| Fact | HammerAI | Rubii |
|---|---|---|
| Company legal name | The Apple App Store identifies the seller as Sunspot LLC. | Rubii's privacy policy identifies YoMio Tech Limited as the company responsible for the service. |
| Image generation | Image generation works inside chats and as standalone images with prompt, seed and aspect-ratio controls; local image generation is planned rather than available. | The image tool accepts text prompts and reference images to generate character art, portraits and scene illustrations. |
| Integrations | The desktop app is powered by Ollama and Llama.cpp, and the FAQ says cloud AI providers can include those accessed through OpenRouter. | The Terms of Service list third-party AI models from Google, Anthropic, OpenAI, DeepSeek and ByteDance. |
| Personas | Users can define personas that characters use to understand who they are talking with. | Personas provide a role-play identity consisting of a nickname and a short description of who the user is. |
| Product | HammerAI describes itself as an AI character chat and roleplay platform. | Rubii is a character chat and interactive story service with tools for making characters and generating images and videos. |
| Rating on Apple App Store | 3.2 out of 5 from 17 ratings | 4.0 out of 5 from 95 ratings. |
HammerAI plans
- FreeFree
- Tiny credit pack$1.99, paid once
- Small credit pack$4.99, paid once
- Starter$9 a month
- Medium credit pack$9.99, paid once
- Advanced$18 a month
Rubii plans
- Plus$7.99 a month
- Pro$14.99 a month
- Premium$29.99 a month
Pick HammerAI if…
HammerAI may suit people interested in character conversations, roleplay, and story creation, including desktop users who want to run downloaded local models offline. Its stated age requirement makes it unsuitable for users below 18 or the local age of consent, whichever is greater.
Pick Rubii if…
You want what its maker publishes above — check its page for the details.