# Spellbook vs Supio: who uses which

On usedby, 27 companies use Spellbook and 24 use Supio. 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: 51 of 51 public lines checked.

## Side by side

|  | [Spellbook](https://www.usedby.ai/tools/spellbook.md) | [Supio](https://www.usedby.ai/tools/supio.md) |
|---|---|---|
| Public customers | 27 | 24 |
| Confirmed | 13 | 19 |
| Observed | 14 | 5 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Legal & Compliance (2), Consumer Goods (1), DevTools & Infrastructure (1) | — |
| Category | Legal AI | Legal AI |
| Security | SOC 2 Type II, HIPAA ([trust.spellbook.com](https://trust.spellbook.com/), checked 2026-10-08) | SOC 2 Type II ([supio.com](https://www.supio.com/security), checked 2026-10-08) |
| Free trial | Free trial or free plan available. ([spellbook.com](https://spellbook.com/pricing), checked 2026-10-08) | — |
| Integrations | Slack, iManage, OneDrive, Dropbox, SharePoint, Google Drive ([spellbook.com](https://spellbook.com/integrations), checked 2026-10-08) | Litify, SmartAdvocate, Casepeer, MyCase, Smokeball, Jove ([supio.com](https://www.supio.com/integrations), checked 2026-10-08) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Spellbook: [KMSC Law LLP](https://www.usedby.ai/case-studies/kmsc-law-llp-spellbook.md): **an extra hour a day**: “Spellbook probably helps me bill an extra hour a day. Maybe more.” (captured by usedby 2026-10-08)
- Spellbook: [Elevare Law](https://www.usedby.ai/case-studies/elevare-law-spellbook.md): story without a checked figure. (captured by usedby 2026-10-08)
- Supio: [Phillips Law Group](https://www.usedby.ai/case-studies/phillips-law-group-supio-2.md): **17%**: “Phillips Law Group achieved 17% higher settlement values” (published 2026-07-14)
- Supio: [Phillips Law Group](https://www.usedby.ai/case-studies/phillips-law-group-supio.md): **2.7x**: “Each case earns 2.7x what the firm would have netted on a referral” (published 2026-10-07)

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