# ImgAuth vs Leonardo AI

> ImgAuth: Check documents for tampering and images for AI-generation signals with heatmap evidence
> Leonardo AI: AI image and video studio with custom model training and a real-time canvas editor

- ImgAuth profile: https://finderatlas.com/tools/imgauth
- Leonardo AI profile: https://finderatlas.com/tools/leonardo-ai
- Comparison page: https://finderatlas.com/compare/imgauth-vs-leonardo-ai
- Last reviewed: October 2026

## Verdict

ImgAuth and Leonardo AI are both Image & Visual AI tools. Leonardo AI scores higher in FinderAtlas's editorial review (8.5 vs 7.3 out of 10), led by value for money. Both have a free plan or trial. Only Leonardo AI is available on iOS and Android.

### Choose ImgAuth if

- You want a tool built for triage of invoices, receipts, certificates and claim documents, and quick whole-image AI-generation checks as one input to a human review.
- Focused on two clear tasks, document tampering and AI-generated image detection.
- Heatmaps and suspicious-region outputs give reviewers something to check, instead of a bare score.

### Choose Leonardo AI if

- You want a tool built for game and concept art.
- Free plan with 150 tokens per day.
- Many first-party and third-party image and video models in one account.

## Pricing

| | ImgAuth | Leonardo AI |
| --- | --- | --- |
| Pricing model | Free trial | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | ImgAuth | Leonardo AI |
| --- | --- | --- |
| Document fraud detection | Yes | Not listed |
| Heatmap evidence | Yes | Not listed |
| AI Image Detector | Yes | Not listed |
| Real or AI Face | Yes | Not listed |
| REST API | Yes | Not listed |
| Referral credits | Yes | Not listed |
| Privacy handling | Yes | Not listed |
| Multilingual site | Yes | Not listed |
| AI Canvas | Not listed | Yes |
| Multiple models | Not listed | Yes |
| Personal model training | Not listed | Yes |
| Video generation | Not listed | Yes |
| Blueprints | Not listed | Yes |
| Image editing tools | Not listed | Yes |
| Mobile apps | Not listed | Yes |
| API and MCP server | Not listed | Yes |

## Platforms

| Platform | ImgAuth | Leonardo AI |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | No | No |
| macOS | No | No |
| iOS | No | Yes |
| Android | No | Yes |
| API | Yes | Yes |
| Browser Extension | No | No |

## ImgAuth strengths

- Focused on two clear tasks, document tampering and AI-generated image detection
- Heatmaps and suspicious-region outputs give reviewers something to check, instead of a bare score
- Free 3-credit trial with no card, and cancellation at any time with access until period end
- REST API for higher-volume and team workflows
- Candid limitations: outputs are described as review signals, with explicit scope boundaries

## ImgAuth limitations

- No published accuracy figures or independent benchmarks
- Not a deepfake, face-swap, liveness or identity tool, and the site's wording on face-swap detection is inconsistent
- 10 MB file limit and no free ongoing tier after the 3 trial credits
- Mobile app is only announced, with an outdated launch estimate (Q2 2025) on the site
- Operating company is named only as ImgAuth Ltd, with no team or founding details published

## Leonardo AI strengths

- Free plan with 150 tokens per day
- Many first-party and third-party image and video models in one account
- Personal model training on paid plans
- AI Canvas for inpainting and outpainting
- Apps for iOS and Android, plus a pay-as-you-go API

## Leonardo AI limitations

- Free generations are public and the daily allowance is small
- Token costs vary by model and settings, so spend is hard to predict
- Unlimited relaxed video generation needs the $60 Ultimate plan
- Official pricing page blocks automated access, so plan details need checking on the site

## FAQ

**Is ImgAuth better than Leonardo AI?**

It depends on your workflow. ImgAuth is built for triage of invoices, receipts, certificates and claim documents, and quick whole-image AI-generation checks as one input to a human review. Leonardo AI is built for game and concept art.

**What are the key feature differences between ImgAuth and Leonardo AI?**

ImgAuth: Check documents for tampering and images for AI-generation signals with heatmap evidence. Leonardo AI: AI image and video studio with custom model training and a real-time canvas editor.

**Does ImgAuth or Leonardo AI have a free plan?**

Yes, both do. ImgAuth is free trial and Leonardo AI is freemium, and each has a free plan or trial.

**Which is cheaper, ImgAuth or Leonardo AI?**

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