# AppZen vs Blue J: who uses which

On usedby, 20 companies use AppZen and 27 use Blue J. 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 2026-10-07: 47 of 47 public lines checked.

## Side by side

|  | [AppZen](https://www.usedby.ai/tools/appzen.md) | [Blue J](https://www.usedby.ai/tools/blue-j.md) |
|---|---|---|
| Public customers | 20 | 27 |
| Confirmed | 16 | 24 |
| Observed | 4 | 3 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Consumer Goods (2), Aerospace & Defense (1), Automotive Manufacturing (1) | Legal & Compliance (1) |
| Category | Finance & Accounting AI | Finance & Accounting AI |
| Integrations | American Express, Mastercard, Visa, Oracle E-Business Suite, Oracle Fusion, Coupa, SAP Concur, Emburse Enterprise, Oracle Netsuite, JAGGAER, SAP S/4 HANA, Workday ([appzen.com](https://www.appzen.com/integrations), checked 2026-10-07) | — |
| Security | — | SOC 2 Type II ([bluej.com](https://www.bluej.com/security), checked 2026-10-07) |
| Data residency | — | United States ([bluej.com](https://www.bluej.com/security), checked 2026-10-07) |
| Your data | — | Not used to train models by default. ([bluej.com](https://www.bluej.com/security), checked 2026-10-07) |
| Free trial | — | Free trial or free plan available. ([bluej.com](https://www.bluej.com/pricing), checked 2026-10-07) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Blue J: [R2 Advisors](https://www.usedby.ai/case-studies/r2-advisors-blue-j.md): **6–8 hours**: “this user saving 6–8 hours per week on tax research” (captured by usedby 2026-10-07)
- Blue J: [McKonly & Asbury](https://www.usedby.ai/case-studies/mckonly-asbury-blue-j.md): **5 hours**: “Time Saved Per Week: Up to 5 hours/user” (captured by usedby 2026-10-07)

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Source: https://www.usedby.ai/compare/appzen-vs-blue-j · How we check: https://www.usedby.ai/methodology