# Rossum vs Within (formerly Klarity): who uses which

On usedby, 41 companies use Rossum and 16 use Within (formerly Klarity). No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 57 of 57 public lines checked.

## Side by side

|  | [Rossum](https://www.usedby.ai/tools/rossum.md) | [Within (formerly Klarity)](https://www.usedby.ai/tools/within.md) |
|---|---|---|
| Public customers | 41 | 16 |
| Confirmed | 33 | 5 |
| Observed | 8 | 11 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Manufacturing (2), Construction (1), Data & Analytics (1) | Fintech & Payments (2), Sales Tech & CRM (2), Artificial Intelligence (1) |
| Category | Document & Process Intelligence | Document & Process Intelligence |
| Security | ISO 27001, ISO 42001, SOC 2 Type II ([rossum.ai](https://rossum.ai/intelligent-document-processing/security-and-trust/), checked 2026-10-08) | SOC 2 Type II ([within.ai](https://www.within.ai/trust), checked 2026-10-08) |
| Free trial | Free trial or free plan available. ([rossum.ai](https://rossum.ai/pricing/), checked 2026-10-08) | — |
| Integrations | SAP, Coupa ([rossum.ai](https://rossum.ai/integrations/sap/), checked 2026-10-08) | — |
| Vendor status | Acquired by Coupa, according to the vendor's homepage. ([rossum.ai](https://rossum.ai/), checked 2026-10-08) | — |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Rossum: [faktur:digital](https://www.usedby.ai/case-studies/faktur-digital-rossum.md): **79%**: “faktur:digital saves 79% of its time on document processing for its clients with Rossum” (published 2022-09-14)
- Rossum: [Kros](https://www.usedby.ai/case-studies/kros-a-s-rossum.md): **93%**: “Kros can now save its clients 93% of the time previously needed to process high volumes of documents” (published 2022-08-16)
- Within (formerly Klarity): [Accelirate](https://www.usedby.ai/case-studies/accelirate-within.md): **67%**: “With Within, Accelirate cut PDD creation time by 67% for simple workflows” (captured by usedby 2026-10-08)
- Within (formerly Klarity): [Doordash](https://www.usedby.ai/case-studies/doordash-within.md): **3,800+**: “3,800+ processes documented and analyzed across entire accounting organization” (captured by usedby 2026-10-08)

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Source: https://www.usedby.ai/compare/rossum-vs-within · How we check: https://www.usedby.ai/methodology