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Gamma vs Decktopus
Gamma scores higher overall (8.8 vs 6.7), but the right pick depends on what you need.
Choose Gamma if…
Anyone who wants a good-looking deck from a prompt in minutes
8.8/10★★★★★Full review →Choose Decktopus if…
Solo presenters who want a quick deck plus rehearsal help
6.7/10★★★★★Full review →Side by side
| Gamma | Decktopus | |
|---|---|---|
| Overall score | 8.8/10 | 6.7/10 |
| Rank in category | #1 of 12 | #11 of 12 |
| Price | Freemium · from £7/month | Paid · from $9.99/month |
| Free version | 400 credits at signup (they don't renew), up to 10 slides per prompt, PDF, PPTX and Google Slides export | — |
| Platforms | Web, iOS, Android, API, Other | Web, Other |
| Made by | Gamma Tech, Inc. | Decktopus |
| Slide quality | 9 | 6.5 |
| Ease of use | 9 | 8 |
| Features | 9 | 7.5 |
| Value for money | 8.5 | 6 |
| Platforms | 8 | 4.5 |
Gamma: what the AI does
- Prompt, notes or file to a full deck
- Gamma Agent for rewriting, restyling and web research
- AI image generation
- Gamma Imagine for on-brand graphics and infographics
- Apps inside ChatGPT and Claude
- Public API (Pro and up)
- Most polished prompt-to-deck results in the category
- Useful free plan with PowerPoint and Google Slides export
- Also makes docs, web pages and social posts
- Mobile apps for creating on the go
- Free credits are one-off and don't refill
- Exported PPTX files can need font and layout clean-up
- Reviews flag strict refunds and slow support on billing
Decktopus: what the AI does
- Topic to complete deck
- Brand applied from a website URL
- Prompt-based slide editing
- Loop AI delivery coaching
- Carousel generator
- Rehearsal coaching is unusual in this category
- Auto-branding from your website
- Cheap when paid annually
- No free plan
- Little independent testing of its newer Studio and Loop tools
- Monthly billing is expensive