InstaNovel.ai vs Story321
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. InstaNovel.ai starts at See pricing page and Story321 starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Prompt to mini-novel
- 4 to 6 chapters
- Artwork in chosen style
- Free first book
- Premium priority
- AI story writer
- Character creator
- Podcast generator
- Illustrated book maker
- PDF and ePub export
- Image and video generation
| Feature | InstaNovel.ai | Story321 |
|---|---|---|
| Best for | Generate an illustrated mini-novel from a single prompt | Story, character, podcast and picture-book tools in one credit plan |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | InstaNovel.ai | Story321 |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
InstaNovel.ai starts at See pricing page and Story321 starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 10 one-time credits
- All AI creation tools
- No credit card required
Starter
$8.25/mo billed yearly
- 12,000 credits per year
- Private projects
- PDF and ePub export
- No watermark
Plus
$16.58/mo billed yearly
- 26,400 credits per year
- Commercial usage
- Additional export formats
Pro
$24.92/mo billed yearly
- 43,200 credits per year
- All export formats
- Priority generation queue
- Commercial usage
Enterprise
Contact sales
- API access
- Custom usage limits
- Dedicated support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
InstaNovel.ai
- First book free without a card
- Artwork included
- Several art styles
- Free users wait in a queue
- Daily free limit can run out
- Prompt capped at 300 characters
Story321
- Several creative tools under one account
- Start from an idea or a full manuscript
- No credit card needed for the free trial
- Free plan is only 10 one-time credits
- Monthly price not shown, annual billing quoted
- Commercial use needs Plus or Pro
Which one should you choose?
Choose InstaNovel.ai if you want:
- First book free without a card
- Artwork included
- Several art styles
Watch out: free users wait in a queue.
Choose Story321 if you want:
- Several creative tools under one account
- Start from an idea or a full manuscript
- No credit card needed for the free trial
Watch out: free plan is only 10 one-time credits.
InstaNovel.ai vs Story321 FAQ
What is the difference between InstaNovel.ai and Story321?
InstaNovel.ai: Generate an illustrated mini-novel from a single prompt. Story321: Story, character, podcast and picture-book tools in one credit plan. Both are writing tools.
Is InstaNovel.ai or Story321 cheaper?
InstaNovel.ai starts at See pricing page and Story321 starts at See pricing page. Check both pricing pages for current plans.
Do InstaNovel.ai and Story321 have free plans?
InstaNovel.ai: Yes. Story321: Yes.
Who makes InstaNovel.ai?
InstaNovel.ai is made by InstaNovel.ai.
Who makes Story321?
Story321 is made by Story321.
Which should I choose, InstaNovel.ai or Story321?
Choose InstaNovel.ai if you value first book free without a card and artwork included. Choose Story321 if you value several creative tools under one account and start from an idea or a full manuscript.