Calliope
8.0#19 in writing appsFrom €99 a yearFree planWebAPI
VisitCalliope vs Jenova Creative Fiction Writer
Jenova Creative Fiction Writer
7.9#1 in ai book writing softwareFrom $20 a monthFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Calliope | Jenova Creative Fiction Writer |
|---|---|---|
| Documentation depth | Documentation covers the app, writing canvas, structure, goals, Map, marginalia, AI companion, exports, billing, MCP and Writer API endpoint conventions. | The API reference covers authentication, messages, sessions, runs, credits, agents, models, streaming, MCP, billing, rate limits, errors, pagination, localization, privacy, and support. |
| Headquarters | Bratislava, Slovakia | New York, United States |
| Integrations | The MCP connector supports Claude, ChatGPT, and Cursor, and Calliope also documents a Writer API. | Jenova documents MCP connections for Gmail, Google Calendar, Google Drive, Search, Notion, Dropbox, and remote MCP servers. |
| Privacy | The privacy policy says Rhymenoceros is a GDPR controller, uses hosting, AI-model, analytics and payment subprocessors, does not sell content or build advertising profiles, and supports deletion requests. | The privacy policy says prompts, outputs, chat history, uploaded files, agent instructions, and knowledge bases are not used to train Jenova’s own models. |
| Purpose | Calliope is a manuscript studio for novelists, with AI for research, canon memory, and consistency checking. | Creative Fiction Writer is presented as a storytelling partner for fiction writers, supporting brainstorming, drafting, research, and revision. |
Calliope plans
- Free editorFree
- €10 credit pack€10, paid once
- €50 credit pack€50, paid once
- €100 credit pack€100, paid once
- Subscription monthly€12 a month
- Subscription annual€99 a year
Jenova Creative Fiction Writer plans
- FreeFree
- Plus$20 a month
- Premium$50 a month
- Pro$100 a month
- Max$200 a month
- Ultra$500 a month
Pick Calliope if…
Calliope may suit book writers who want outlining, chapter organization, and continuity tools in a web editor. Its free plan is relevant to writers working on unlimited books.
Pick Jenova Creative Fiction Writer if…
It suits fiction writers working on research-dependent novels over multiple sessions who want to switch among AI models. Writers who need a visual beat board, scene-level corkboard, or compile-to-EPUB export should note those omissions.