# Best free SEO software

Frase ranks first because it supports free plan, supports free trial, and supports keyword research. It is followed by Mangools and Rank Math.

Products are ranked only from verified, sourced facts. Missing evidence remains unknown and does not count as a negative claim.

## Ranked products

### 1. Frase

Frase ranks 1st because:

- Frase supports free plan.
- Frase supports free trial.
- Frase supports keyword research.

Score: 12/15. Verified criteria: 3/4.

### 2. Mangools

Mangools ranks 2nd because:

- Mangools supports free plan.
- Mangools supports free trial.
- Mangools supports keyword research.

Score: 12/15. Verified criteria: 3/4.

### 3. Rank Math

Rank Math ranks 3rd because:

- Rank Math supports free plan.
- Rank Math supports free trial.
- Rank Math supports keyword research.

Score: 12/15. Verified criteria: 3/4.

### 4. Semrush

Semrush ranks 4th because:

- Semrush supports free plan.
- Semrush supports free trial.
- Semrush supports keyword research.

Score: 12/15. Verified criteria: 3/4.

### 5. Morningscore

Morningscore ranks 5th because:

- Morningscore supports free trial.
- Morningscore supports keyword research.
- Morningscore supports keyword difficulty.

Score: 9/15. Verified criteria: 3/4.

### 6. Scalenut

Scalenut ranks 6th because:

- Scalenut supports free trial.
- Scalenut supports keyword research.
- Scalenut supports keyword difficulty.

Score: 9/15. Verified criteria: 3/4.

## Criteria comparison

| Criterion | Weight | Frase | Mangools | Rank Math | Semrush | Morningscore | Scalenut |
| --- | ---: | --- | --- | --- | --- | --- | --- |
| Free plan | 6 | Yes (+6) | Yes (+6) | Yes (+6) | Yes (+6) | Not confirmed | Not confirmed |
| Free trial | 3 | Yes (+3) | Yes (+3) | Yes (+3) | Yes (+3) | Yes (+3) | Yes (+3) |
| Keyword research | 3 | Yes (+3) | Yes (+3) | Yes (+3) | Yes (+3) | Yes (+3) | Yes (+3) |
| Keyword difficulty | 3 | Not confirmed | Not confirmed | Not confirmed | Not confirmed | Yes (+3) | Yes (+3) |