# Gamma vs Riff

> Gamma: Generate presentations, documents and websites from a prompt with an AI design partner
> Riff: Draft fresh replies, DMs and posts for X, LinkedIn, Facebook and Instagram on-device

- Gamma profile: https://finderatlas.com/tools/gamma
- Riff profile: https://finderatlas.com/tools/riff
- Comparison page: https://finderatlas.com/compare/gamma-vs-riff
- Last reviewed: October 2026

## Verdict

Gamma and Riff are both Productivity tools. Gamma scores higher in FinderAtlas's editorial review (8.4 vs 7.8 out of 10), led by ease of use. Both have a free plan or trial. Only Gamma is available on Web and offers an API. Only Riff is available on Chrome Extension.

### Choose Gamma if

- You want a tool built for pitch decks.
- Generates a full deck, document or webpage from a single prompt.
- Card layout adapts to desktop and mobile screens without manual slide alignment.

### Choose Riff if

- You want a tool built for writing quick replies and comments on social posts.
- Free, with no account, subscription or API key.
- Generation runs on-device with Gemini Nano, so text is not sent to a server.

## Pricing

| | Gamma | Riff |
| --- | --- | --- |
| Pricing model | Freemium | Free |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | Gamma | Riff |
| --- | --- | --- |
| Prompt-to-deck generation | Yes | Not listed |
| Card-based layout | Yes | Not listed |
| AI editing and restyling | Yes | Not listed |
| AI images | Yes | Not listed |
| Export and sharing | Yes | Not listed |
| Website publishing | Yes | Not listed |
| Analytics and access control | Yes | Not listed |
| API and connectors | Yes | Not listed |
| On-device AI | Not listed | Yes |
| Replies and comments | Not listed | Yes |
| DM replies and first messages | Not listed | Yes |
| Riff a post | Not listed | Yes |
| Dials | Not listed | Yes |
| Repurposing | Not listed | Yes |
| Voices and presets | Not listed | Yes |
| Never sends for you | Not listed | Yes |

## Platforms

| Platform | Gamma | Riff |
| --- | --- | --- |
| Web | Yes | No |
| Windows | No | No |
| macOS | No | No |
| iOS | No | No |
| Android | No | No |
| API | Yes | No |
| Browser Extension | No | No |
| Chrome Extension | No | Yes |

## Gamma strengths

- Generates a full deck, document or webpage from a single prompt
- Card layout adapts to desktop and mobile screens without manual slide alignment
- Exports to PowerPoint and PDF and shares by web link
- Free plan available, and Plus at $10 per month removes the Gamma badge
- API and ChatGPT, Claude and Slack connectors for automation

## Gamma limitations

- Free credits are one-time (400) and the free plan is limited to 10 cards per prompt
- Free exports carry a "Made with Gamma" badge
- API access requires Pro ($20 per month) or higher
- Ultra costs $100 per month and is monthly only, with no annual option
- Users on review sites report problems with billing, credit use and slow support

## Riff strengths

- Free, with no account, subscription or API key
- Generation runs on-device with Gemini Nano, so text is not sent to a server
- Covers replies, DMs, posts and X threads in one side panel
- Never presses send, which keeps the user in control
- Dials for tone, pitch and length, plus a Fresh score to avoid repetitive openings

## Riff limitations

- Requires desktop Chrome 138 or newer and a one-time Gemini Nano download
- Output quality is limited by the small on-device model
- Chrome only; no Firefox, Safari or mobile support
- Very new, with few reviews on the Chrome Web Store

## FAQ

**Is Gamma better than Riff?**

It depends on your workflow. Gamma is built for pitch decks. Riff is built for writing quick replies and comments on social posts.

**What are the key feature differences between Gamma and Riff?**

Gamma: Generate presentations, documents and websites from a prompt with an AI design partner. Riff: Draft fresh replies, DMs and posts for X, LinkedIn, Facebook and Instagram on-device.

**Does Gamma or Riff have a free plan?**

Yes, both do. Gamma is freemium and Riff is free, and each has a free plan or trial.

**Which is cheaper, Gamma or Riff?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.