Pricing Units, Proprietary Limits & Migration Complexity
The operational fine print U.S. SaaS founders and small business owners check before committing.
| Evaluation Dimension | Karui | VoidAuth |
|---|---|---|
| Starting Price & Billing Unit How your monthly bill scales | $0 Open Source (Open Source (GPL-3.0)) Per Team Seat | Free / $19/mo Managed Cloud Pro Per Team Seat |
| Free Tier & Included Quotas Sandbox vs production allowance | Karui is self-hostable (Open Source (GPL-3.0)) at $0 license cost | VoidAuth is self-hostable (Open Source (AGPL-3)) with managed Managed Cloud Pro cloud starting at $19/mo |
| Proprietary Limits & Gotchas Caps, lock-in & overage cliffs | Karui tier notes — Flat-Rate Small Business Pricing: 100% free & open-source; Full API & Webhooks: Full source & API access | VoidAuth tier notes — Flat-Rate Small Business Pricing: No per-seat enterprise lock-in; Full API & Webhooks: Open API & webhooks |
| Migration Complexity Engineering & ops switching effort | Low (< 30 mins) Configure Karui (Flat-Rate Small Business Pricing, Full API & Webhooks, Self-Hostable / Open Source) and import existing customer chat & support desks records | Low (< 30 mins) Configure VoidAuth (Flat-Rate Small Business Pricing, Full API & Webhooks, Self-Hostable / Open Source) and import existing customer chat & support desks records |
| Target Company Stage Best operational fit | Solo Founders & Customer Chat & Support Desks SMBs | Solo Founders & Customer Chat & Support Desks SMBs |
| Data Privacy & Compliance U.S. & enterprise governance | Open Source / Self-HostGDPR / CCPA ReadyFlat-Rate Small Business | Open Source / Self-HostGDPR / CCPA ReadyFlat-Rate Small Business |
Interactive Team Seat & ROI Simulator
Adjust your team headcount to compare real monthly and annual licensing costs.
Karui: Per Team Seat
VoidAuth: Per Team Seat
Estimated Annual Savings with Karui: $1,140/yr
Saves ~100% annually at this workload tier based on published USD rates.
Technical Capability Matrix
Side-by-side feature, API, and data-ownership checklist.
| Feature Specification | Karui | VoidAuth |
|---|---|---|
| Flat-Rate Small Business Pricing pricing | Supported 100% free & open-source | Supported No per-seat enterprise lock-in |
| Full API & Webhooks developer | Supported Full source & API access | Supported Open API & webhooks |
| Self-Hostable / Open Source infrastructure | Supported Open Source (GPL-3.0) repository | Supported Open Source (AGPL-3) self-hostable |
Official Published USD Pricing Tiers
Verified plan structure for Karui and VoidAuth.
Karui Plans USD Verified
Free / Open Source
monthly
VoidAuth Plans USD Verified
Open Source / Self-Hosted
monthly
Managed Cloud Pro
monthly
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Frequently Asked Questions
Key pricing, quota, migration, and security answers for Karui vs VoidAuth.
What is the main difference between Karui and VoidAuth in 2026?
Karui ($0 Open Source (Open Source (GPL-3.0)), billed by per team seat) is best suited for: Karui (軽い) is a offline only aesthetically pleasing, sync supported google tasks alternative to do list app, inspired by By contrast, VoidAuth (Free / $19/mo Managed Cloud Pro, billed by per team seat) is best for: Alternative to Auth0, Okta, more — Open-source single sign-on and user management for your self-hosted applications, wit
How do Karui and VoidAuth compare on free tiers and USD pricing?
Karui: Karui is self-hostable (Open Source (GPL-3.0)) at $0 license cost. VoidAuth: VoidAuth is self-hostable (Open Source (AGPL-3)) with managed Managed Cloud Pro cloud starting at $19/mo. Always compare based on your real workload metric (Per Team Seat vs Per Team Seat) rather than headline base tier alone.
What proprietary feature limits or overages should founders watch out for?
On Karui: Karui tier notes — Flat-Rate Small Business Pricing: 100% free & open-source; Full API & Webhooks: Full source & API access. On VoidAuth: VoidAuth tier notes — Flat-Rate Small Business Pricing: No per-seat enterprise lock-in; Full API & Webhooks: Open API & webhooks.
How difficult is migrating from VoidAuth to Karui, and what compliance is supported?
Estimated migration effort to Karui is Low (< 30 mins) (Configure Karui (Flat-Rate Small Business Pricing, Full API & Webhooks, Self-Hostable / Open Source) and import existing customer chat & support desks records). Security & data governance signals for Karui include Open Source / Self-Host, GDPR / CCPA Ready, Flat-Rate Small Business, while VoidAuth offers Open Source / Self-Host, GDPR / CCPA Ready, Flat-Rate Small Business.
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