One Horizon
No more scrambling to remember what you did yesterday. No more awkward standup prep. One Horizon automatically turns dev work into a clear done-list you can share.
- AI done list delivered to your DMs daily
- Time-zone aware reminders and scheduling
- Works in DMs or channels with threaded summaries
- Discuss offline workflows to keep meetings focused
- Multi-team and multi-project support
- Admin controls for participants, timing, and visibility
- Integrations with GitHub, Google Calendar, Jira and moreRequirements:
A (free) One Horizon account is required to use this app. You’ll be prompted to sign in or create one after installing.AI notice:
This app uses large language models (LLMs) to generate summaries and suggestions. Outputs may be incomplete or inaccurate. Please review before sharing and verify important details. Do not use for legal, financial, or safety-critical decisions. See the Security & Compliance section for details on the model, data handling, retention, and residency. We do not use Slack data to train external modelsBuilt for developers and engineering teams who want simpler standups and faster shipping
One Horizon is not another standup bot. It writes the update for you.Receive personalized daily updates on Slack. Get notified when standup meetings begin, review your progress summary, and confirm with one click. Fully automated and purpose-built for developer teams. Key features:
- AI done list delivered to your DMs daily
- Time-zone aware reminders and scheduling
- Works in DMs or channels with threaded summaries
- Discuss offline workflows to keep meetings focused
- Multi-team and multi-project support
- Admin controls for participants, timing, and visibility
- Integrations with GitHub, Google Calendar, Jira and moreRequirements:
A (free) One Horizon account is required to use this app. You’ll be prompted to sign in or create one after installing.AI notice:
This app uses large language models (LLMs) to generate summaries and suggestions. Outputs may be incomplete or inaccurate. Please review before sharing and verify important details. Do not use for legal, financial, or safety-critical decisions. See the Security & Compliance section for details on the model, data handling, retention, and residency. We do not use Slack data to train external modelsBuilt for developers and engineering teams who want simpler standups and faster shipping
One Horizon will be able to view:
One Horizon will be able to do:
Review the details to better understand this app’s security practices. To learn more about assessing apps for your workspace visit our Help Center.
General
Developer
One Horizon
Company headquarters location
Netherlands
Terms of service
Privacy & data governance
Data retention policy
One Horizon retains customer data while your subscription is active. Upon service termination, we permanently delete the user account and associated data. Inactive accounts (12+ months) will be automatically deleted. Payment records are retained for 7 years as legally required. Users can request data deletion anytime at privacy@onehorizon.ai.
Data archiving and removal policy
One Horizon does not archive customer data. Upon account termination, we permanently delete all customer data and associated records. Accounts inactive for 12+ months are automatically deleted. Users are able to delete their own account at any time, this will permanently delete any associated data to their account.
Data storage policy
One Horizon currently stores all customer data exclusively in EU data centers (Amsterdam, Netherlands). We use secure subprocessors including Fly.io (EU hosting), Supabase (AWS), and Google (Netherlands) for AI services. All data is stored with enterprise-grade security measures and encryption in transit and at rest.
Data center location(s)
Netherlands, Germany
Data hosting details
Cloud hosted. One Horizon uses multiple EU-based cloud providers including Fly.io, Supabase on AWS, and Google Cloud. All infrastructure is cloud-native with no on-premise components.
Data hosting company
Supabase, AWS
App/service has sub-processors
yes
Guidelines for sub-processors
App/service uses large language models (LLM)
yes
LLM model(s) used
Google Gemini, OpenAI 4.1-nano
LLM retention settings
One Horizon's LLM is configured to retain Customer Data for zero duration, data is processed in real-time and immediately discarded after response generation.
LLM data tenancy policy
Customer data processed through Google Gemini is isolated per tenant with no cross-tenant data sharing. All LLM processing occurs in EU (Netherlands) with enterprise-grade data protection. Customer prompts and responses are not used to train models.
LLM data residency policy
One Horizon's LLM currently operates exclusively in EU data centers ensuring all customer data processing remains within European jurisdiction.
Certifications & compliance
GDPR commitment
Data deletion request procedure
Users submit deletion requests to privacy@onehorizon.ai with sufficient identifying information. We verify identity, process the request within GDPR timeframes, and permanently delete all associated customer data except where legal retention requirements apply (e.g., payment records for 7 years). It's also possible for any user to delete their account and that takes effect immediately.
HIPAA compliant
no
While this app may offer HIPAA compliance, Slack does not have a business associate agreement with any third-party application providers, including those in the Slack Marketplace, so you are responsible for validating the provider's compliance and executing an appropriate agreement before enabling.
Security
Supports Single Sign On (SSO) with the following providers
Supabase
Supports Security Assertion Markup Language (SAML)
no
Has a dedicated security team
no
Contact for security issues
security@onehorizon.ai
Has a vulnerability disclosure program
no
Has a bug bounty program
no
Requires third party authorization/connections
yes
Third party services used by this app
Google Cloud, Supabase, Fly.io, Cloudflare
Uses token rotation
no