CustomGPT vs kdpbook.io
A side by side look at CustomGPT and kdpbook.io: pricing, features and what each one is best for.
All comparisons
| Visit CustomGPT | Visit kdpbook.io | |
|---|---|---|
| What it costs | ||
| Pricing | Paid | Freemium |
| Pricing details | Plans start at $89/month | Free plan with 2,000 credits once (watermarked exports, not for sale). Starter $25/mo (2,500 credits/month), Author $49/mo (5,500 credits/month), Studio $99/mo (12,000 credits/month); yearly billing $250, $490 or $990 per year. Credit packs from $10 for 1,000 credits for subscribers. |
| Price range | $99 - $499/mo | $0 - $99/mo |
| Free option | Free trial only | Free tier |
| Plans |
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| What it is | ||
| What it does | CustomGPT builds chat agents trained on your own documents and site content, with no code and no model tuning. Priced per month, with a lower annual rate. | kdpbook.io is an AI book generator for Amazon KDP that writes, illustrates and typesets 36 book types, then exports print PDFs, a Kindle EPUB and listing copy. |
| Platform | Web | Web browser |
| Founded | 2023 | 2026 |
| The details | ||
| Tags | Custom AIChatbotNo CodeCustomer SupportKnowledge Base | contentcontent-creationbook-generatorself-publishingamazon-kdp |
What it costs
- Pricing
- Paid
- Pricing details
- Plans start at $89/month
- Price range
- $99 - $499/mo
- Free option
- Free trial only
- Plans
- Standard$99/mo
- Premium$499/mo
- EnterpriseContact sales
What it is
- What it does
- CustomGPT builds chat agents trained on your own documents and site content, with no code and no model tuning. Priced per month, with a lower annual rate.
- Platform
- Web
- Founded
- 2023
The details
- Tags
- Custom AIChatbotNo CodeCustomer SupportKnowledge Base
What it costs
- Pricing
- Freemium
- Pricing details
- Free plan with 2,000 credits once (watermarked exports, not for sale). Starter $25/mo (2,500 credits/month), Author $49/mo (5,500 credits/month), Studio $99/mo (12,000 credits/month); yearly billing $250, $490 or $990 per year. Credit packs from $10 for 1,000 credits for subscribers.
- Price range
- $0 - $99/mo
- Free option
- Free tier
- Plans
- Free$0/mo
- Starter$25/mo
- Author$49/mo
- Studio$99/mo
What it is
- What it does
- kdpbook.io is an AI book generator for Amazon KDP that writes, illustrates and typesets 36 book types, then exports print PDFs, a Kindle EPUB and listing copy.
- Platform
- Web browser
- Founded
- 2026
The details
- Tags
- contentcontent-creationbook-generatorself-publishingamazon-kdp
Read the full reviews
What each one is actually like to use, tested by hand rather than summarised from the vendor’s own page.
