# Torii Research

> Monthly indexes of SaaS and AI app adoption, shadow IT, and viral apps, built from anonymized, aggregated usage data. All figures are percentages, ranks, or scores. Published by Torii (https://www.toriihq.com).

Every report and article has a Markdown copy (append .md to its URL) and every report has CSV and JSON downloads under /research/data/. Edited pages carry a changelog. Cite as: Torii Research. (Year, Month Day). Report title [Data set]. Torii. URL

## Indexes

- Shadow IT Index: What are employees adopting without asking? Apps picked up outside sanctioned SSO and procurement, ranked by monthly adoption.
- AI Breakout: Which AI tools are people using, not just announcing? The top 30 AI apps by real usage.
- Adoption Index: What does everyone already run? The top 30 apps by org-level adoption, against a 12-month average.
- Viral App Radar: What spreads fastest once it gets inside a company? Ranked by viral score, published once a year.

## Latest reports

- [Shadow IT Index: October 2026](https://www.toriihq.com/research/reports/shadow-it-index-october-2026.md): AI agents lead October's Shadow IT Index, with Grok Bot first at 27% adoption.
- [AI Breakout: October 2026](https://www.toriihq.com/research/reports/ai-breakout-october-2026.md): Claude AI reaches 98% adoption in October, and Grok breaks into the top 10.
- [Adoption Index: October 2026](https://www.toriihq.com/research/reports/adoption-index-october-2026.md): Claude AI, Slack, and Atlassian hold the top three in October, and OpenAI makes the month's biggest move.
- [Viral App Radar: 2025](https://www.toriihq.com/research/reports/viral-app-radar-2025.md): Google AI Studio is the fastest-spreading app of the year, with the top viral score and the quickest time to double.

## All reports

- [Adoption Index: October 2026](https://www.toriihq.com/research/reports/adoption-index-october-2026.md) (2026-10-08)
- [Shadow IT Index: October 2026](https://www.toriihq.com/research/reports/shadow-it-index-october-2026.md) (2026-10-08)
- [AI Breakout: October 2026](https://www.toriihq.com/research/reports/ai-breakout-october-2026.md) (2026-10-08)
- [AI Breakout: September 2026](https://www.toriihq.com/research/reports/ai-breakout-september-2026.md) (2026-09-03)
- [Adoption Index: September 2026](https://www.toriihq.com/research/reports/adoption-index-september-2026.md) (2026-09-02)
- [Shadow IT Index: September 2026](https://www.toriihq.com/research/reports/shadow-it-index-september-2026.md) (2026-09-01)
- [AI Breakout: August 2026](https://www.toriihq.com/research/reports/ai-breakout-august-2026.md) (2026-08-03)
- [Adoption Index: August 2026](https://www.toriihq.com/research/reports/adoption-index-august-2026.md) (2026-08-02)
- [Shadow IT Index: August 2026](https://www.toriihq.com/research/reports/shadow-it-index-august-2026.md) (2026-08-01)
- [AI Breakout: July 2026](https://www.toriihq.com/research/reports/ai-breakout-july-2026.md) (2026-07-03)
- [Adoption Index: July 2026](https://www.toriihq.com/research/reports/adoption-index-july-2026.md) (2026-07-02)
- [Shadow IT Index: July 2026](https://www.toriihq.com/research/reports/shadow-it-index-july-2026.md) (2026-07-01)
- [AI Breakout: June 2026](https://www.toriihq.com/research/reports/ai-breakout-june-2026.md) (2026-06-03)
- [Adoption Index: June 2026](https://www.toriihq.com/research/reports/adoption-index-june-2026.md) (2026-06-02)
- [Shadow IT Index: June 2026](https://www.toriihq.com/research/reports/shadow-it-index-june-2026.md) (2026-06-01)
- [AI Breakout: May 2026](https://www.toriihq.com/research/reports/ai-breakout-may-2026.md) (2026-05-03)
- [Adoption Index: May 2026](https://www.toriihq.com/research/reports/adoption-index-may-2026.md) (2026-05-02)
- [Shadow IT Index: May 2026](https://www.toriihq.com/research/reports/shadow-it-index-may-2026.md) (2026-05-01)
- [AI Breakout: April 2026](https://www.toriihq.com/research/reports/ai-breakout-april-2026.md) (2026-04-03)
- [Adoption Index: April 2026](https://www.toriihq.com/research/reports/adoption-index-april-2026.md) (2026-04-02)
- [Shadow IT Index: April 2026](https://www.toriihq.com/research/reports/shadow-it-index-april-2026.md) (2026-04-01)
- [AI Breakout: March 2026](https://www.toriihq.com/research/reports/ai-breakout-march-2026.md) (2026-03-03)
- [Adoption Index: March 2026](https://www.toriihq.com/research/reports/adoption-index-march-2026.md) (2026-03-02)
- [Shadow IT Index: March 2026](https://www.toriihq.com/research/reports/shadow-it-index-march-2026.md) (2026-03-01)
- [AI Breakout: February 2026](https://www.toriihq.com/research/reports/ai-breakout-february-2026.md) (2026-02-03)
- [Adoption Index: February 2026](https://www.toriihq.com/research/reports/adoption-index-february-2026.md) (2026-02-02)
- [Shadow IT Index: February 2026](https://www.toriihq.com/research/reports/shadow-it-index-february-2026.md) (2026-02-01)
- [AI Breakout: January 2026](https://www.toriihq.com/research/reports/ai-breakout-january-2026.md) (2026-01-03)
- [Adoption Index: January 2026](https://www.toriihq.com/research/reports/adoption-index-january-2026.md) (2026-01-02)
- [Shadow IT Index: January 2026](https://www.toriihq.com/research/reports/shadow-it-index-january-2026.md) (2026-01-01)
- [Adoption Index: December 2025](https://www.toriihq.com/research/reports/adoption-index-december-2025.md) (2025-12-03)
- [Shadow IT Index: December 2025](https://www.toriihq.com/research/reports/shadow-it-index-december-2025.md) (2025-12-03)
- [AI Breakout: December 2025](https://www.toriihq.com/research/reports/ai-breakout-december-2025.md) (2025-12-03)
- [Adoption Index: November 2025](https://www.toriihq.com/research/reports/adoption-index-november-2025.md) (2025-11-05)
- [AI Breakout: November 2025](https://www.toriihq.com/research/reports/ai-breakout-november-2025.md) (2025-11-05)
- [Shadow IT Index: November 2025](https://www.toriihq.com/research/reports/shadow-it-index-november-2025.md) (2025-11-05)
- [AI Breakout: October 2025](https://www.toriihq.com/research/reports/ai-breakout-october-2025.md) (2025-10-01)
- [Shadow IT Index: October 2025](https://www.toriihq.com/research/reports/shadow-it-index-october-2025.md) (2025-10-01)
- [Adoption Index: October 2025](https://www.toriihq.com/research/reports/adoption-index-october-2025.md) (2025-10-01)
- [AI Breakout: September 2025](https://www.toriihq.com/research/reports/ai-breakout-september-2025.md) (2025-09-10)
- [Adoption Index: September 2025](https://www.toriihq.com/research/reports/adoption-index-september-2025.md) (2025-09-10)
- [Shadow IT Index: September 2025](https://www.toriihq.com/research/reports/shadow-it-index-september-2025.md) (2025-09-08)
- [Shadow IT Index: August 2025](https://www.toriihq.com/research/reports/shadow-it-index-august-2025.md) (2025-08-01)
- [AI Breakout: August 2025](https://www.toriihq.com/research/reports/ai-breakout-august-2025.md) (2025-08-01)
- [Viral App Radar: 2025](https://www.toriihq.com/research/reports/viral-app-radar-2025.md) (2025-08-01)
- [Adoption Index: August 2025](https://www.toriihq.com/research/reports/adoption-index-august-2025.md) (2025-08-01)
- [Shadow IT Index: July 2025](https://www.toriihq.com/research/reports/shadow-it-index-july-2025.md) (2025-07-01)
- [AI Breakout: July 2025](https://www.toriihq.com/research/reports/ai-breakout-july-2025.md) (2025-07-01)

## Articles

- [The Modern Video Stack](https://www.toriihq.com/research/articles/modern-video-stack.md) by John Baker (2025-10-10)
- [DIY Shadow IT: The AI Augmented Citizen Developer](https://www.toriihq.com/research/articles/diy-shadow-it-the-ai-augmented-citizen-developer.md) by John Baker (2025-10-07)

## Glossary

- [Shadow IT index](https://www.toriihq.com/research/glossary/shadow-it-index): A 0 to 100 score for how often an app is used without being sanctioned by IT. Higher means the app is more often left as discovered shadow IT.
- [Adoption](https://www.toriihq.com/research/glossary/adoption): The percentage of monitored organizations where an app was adopted during the month measured.
- [Rank change](https://www.toriihq.com/research/glossary/rank-change): The number of places an app moved since the previous published edition of the same index.
- [Viral score](https://www.toriihq.com/research/glossary/viral-score): A 0 to 10 score for how fast an app is spreading across workplaces.
- [Days to double](https://www.toriihq.com/research/glossary/days-to-double): The average number of days for an app's user count to double inside an organization.
- [Compliance claims](https://www.toriihq.com/research/glossary/compliance-claims): Whether an app's vendor publicly claims SOC 2, ISO 27001, or GDPR compliance.
- [Edition](https://www.toriihq.com/research/glossary/edition): One release of an index. The Shadow IT Index, AI Breakout, and Adoption Index are monthly; the Viral App Radar is annual.
- [AI-native](https://www.toriihq.com/research/glossary/ai-native): An app built around AI: one in an AI theme (assistants, agents, coding and building, notes and voice, content and media), or an AI-first app in another theme.

## Reference

- [Themes](https://www.toriihq.com/research/themes.md): every app sorted into 14 themes, with each theme's share of every edition
- [Methodology](https://www.toriihq.com/research/methodology): data, formulas, limitations, corrections
- [Apps](https://www.toriihq.com/research/apps): profiles for every app with rankings across editions
- [Press](https://www.toriihq.com/research/press): headline numbers and embeddable rankings