# SEO Tracer vs API Canvas

The clearest difference is update cadence: SEO Tracer at every 6 weeks against API Canvas's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SEO Tracer sells 3 in-app purchases, starting at $4.99 per month and API Canvas sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

SEO Tracer ships an update every 6 weeks, API Canvas every 4 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SEO Tracer | API Canvas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/seo-tracer-site-crawler/id6749603602/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 11 MB |
| Requires iOS | 18.6 | **17.5** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [perpetual media ltd.](https://appshunter.io/developer/1794242635) | [Canadian Cat, LLC](https://appshunter.io/developer/1879095977) |

## What reviewers say

### SEO Tracer

[App page](https://appshunter.io/ios/app/seo-tracer-site-crawler/id6749603602)

Perform comprehensive website SEO audits directly from your iPhone or iPad. This privacy-focused tool identifies technical issues, broken links, and on-page problems without uploading any data. Get professional reports and built-in guidance to improve your site's search engine ranking.

**Highlights:** Full site audit (titles, meta, links, etc.), Technical SEO issue detection, Built-in SEO explanations and fixes, JavaScript website rendering, Robots.txt and sitemap discovery, CSV and HTML report export, Cross-platform backup with macOS

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $44.99 | per year |
| Lifetime Access | $129.99 | one-time |


### API Canvas

[App page](https://appshunter.io/ios/app/api-canvas/id6759504088)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Yearly) | $9.99 | per year |
| Pro (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is SEO Tracer free?

SEO Tracer is free to download, with in-app purchases available.

### Is API Canvas free?

API Canvas is free to download, with in-app purchases available.

### Do SEO Tracer or API Canvas have ads?

Neither SEO Tracer nor API Canvas shows ads.

### Which is updated more often, SEO Tracer or API Canvas?

SEO Tracer ships an update every 6 weeks, and API Canvas every 4 months. Most recently, SEO Tracer was updated on October 17, 2026 and API Canvas on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*