# Gamma vs Skim

> Gamma: Generate presentations, documents and websites from a prompt with an AI design partner
> Skim: Find the five contract clauses most likely to cost you money before you sign

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

## Verdict

Gamma and Skim are both Productivity tools. Gamma scores higher in FinderAtlas's editorial review (8.4 vs 7.6 out of 10), led by ease of use. Only Gamma has a free plan or trial. Only Gamma offers an API.

### 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 Skim if

- You want a tool built for quick pre-signature review of leases, contractor quotes and terms of service, drafting a reply to push back on a clause.
- Simple one-off $9 price covering up to 3 documents, with no subscription.
- No account or prompt writing required.

## Pricing

| | Gamma | Skim |
| --- | --- | --- |
| Pricing model | Freemium | Paid |
| Free plan or trial | Yes | No |
| Starting price | $0 | $9 |

## Features

| Feature | Gamma | Skim |
| --- | --- | --- |
| 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 |
| Five red flags | Not listed | Yes |
| Plain-English rewrite | Not listed | Yes |
| Paste-ready reply | Not listed | Yes |
| PDF upload or pasted text | Not listed | Yes |
| No account | Not listed | Yes |
| Free sample | Not listed | Yes |
| One-time pricing | Not listed | Yes |

## Platforms

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

## 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

## Skim strengths

- Simple one-off $9 price covering up to 3 documents, with no subscription
- No account or prompt writing required
- Output includes a rewrite and a ready-to-send reply, not just a list of risks
- Free sample report to judge quality before paying
- Privacy page clearly states what is and is not stored

## Skim limitations

- Only the first 20,000 characters of a document are analyzed
- Document text goes to xAI, whose retention Skim does not control
- Fixed five-flag output with no follow-up chat
- Operator, company and contact details are not disclosed on the site
- Not legal advice, and no independent reviews found

## FAQ

**Is Gamma better than Skim?**

It depends on your workflow. Gamma is built for pitch decks. Skim is built for quick pre-signature review of leases, contractor quotes and terms of service, drafting a reply to push back on a clause.

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

Gamma: Generate presentations, documents and websites from a prompt with an AI design partner. Skim: Find the five contract clauses most likely to cost you money before you sign.

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

Gamma has a free plan or trial; Skim is paid only.

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

Gamma starts at $0 and Skim starts at $9. See the pricing table above for what each tier includes.