# What does Crest use?

Crest (crestnotch.app) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-20).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Email records, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Paddle](https://www.runsonwhat.com/reverse/paddle) | Payments & Billing | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |
| [iCloud Mail](https://www.runsonwhat.com/reverse/icloud-mail) | Workspace | DNS verification records, Email records |  |

## Recent changes at Crest

- 2026-10-09: started using [iCloud Mail](https://www.runsonwhat.com/reverse/icloud-mail)

## FAQ

### What tools does Crest use?

As of October 2026, runsonwhat has found 8 tools at Crest (crestnotch.app) in public records. Edge & Hosting: Cloudflare. Application: Paddle. Data & Observability: Microsoft Clarity. Company Ops: Amazon SES, Resend and iCloud Mail. Last checked October 20, 2026.

### What email provider does Crest use?

Crest uses iCloud Mail for email and office software, according to runsonwhat (October 2026). runsonwhat found iCloud Mail through a DNS verification record for iCloud Mail and email records. iCloud Mail is used by 937 companies runsonwhat tracks.

### What payment provider does Crest use?

Crest uses Paddle for payments and billing, according to runsonwhat (October 2026). runsonwhat found Paddle through Paddle code on crestnotch.app. Paddle is used by 463 companies runsonwhat tracks.

### What analytics tools does Crest use?

Crest uses Microsoft Clarity for analytics, according to runsonwhat (October 2026). runsonwhat found Microsoft Clarity through Microsoft Clarity code on crestnotch.app. Microsoft Clarity is used by 134,445 companies runsonwhat tracks.

### Does Crest use Cloudflare?

Yes. runsonwhat found Cloudflare at Crest through email records that authorize Cloudflare and DNS records. Cloudflare is a CDN & Edge tool used by 707,967 companies runsonwhat tracks.

### Has Crest changed tools recently?

Yes. On runsonwhat's rechecks, Crest started using iCloud Mail (latest on October 9, 2026). A change counts only between two checks of crestnotch.app done the same way.

### Which companies have a tech stack similar to Crest's?

The companies with the stacks most like Crest's are TOMMY, The Able Guys, Atelier B and Elfsight, according to runsonwhat (October 2026). Each shares 2 to 6 tools with Crest, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Crest uses?

runsonwhat reads public records only. Of the 8 tools at Crest, 3 were found through email records, 2 through DNS records, 2 through code on crestnotch.app and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and crestnotch.app about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/crestnotch.app (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.