addy.io vs Firefox Relay: Which Data Privacy Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
addy.io vs Firefox Relay, in 15 seconds
Choose addy.io if…
- You prefer addy.io's approach and ecosystem
Choose Firefox Relay if…
- You prefer Firefox Relay's approach and ecosystem
Head-to-Head Scorecard
How addy.io and Firefox Relay score
It's evenly matched, each leads on 0 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
addy.ioNo reviewsFirefoxNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
addy.io0Firefox0 - Even
Entry Pricing
Lowest published starting price (free plan = lowest)
addy.ioCustomFirefoxCustom - Even
Free Access
Availability of a free plan and/or free trial
addy.ioFree trialFirefoxFree trial - Even
Integrations
Number of listed third-party integrations
addy.io6Firefox6 - Even
Features
Number of listed product capabilities
addy.io0Firefox0 - Even
AI Features
Capabilities mentioning AI, automation or ML
addy.io,Firefox, - Even
Security & Compliance
Number of listed compliance certifications
addy.io2Firefox2 - Even
Platforms & Deployment
Supported platforms and deployment options
addy.io4Firefox4
Feature Comparison
addy.io vs Firefox Relay feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
addy.io
Firefox RelayPricing Comparison
addy.io vs Firefox Relay pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
addy.io
Custom to start- Standard support
- Integrations
- custom domains
- unlimited aliases
- reply anonymously
- Everything in Professional
- encryption
- Dedicated support and onboarding
Firefox Relay
Custom to start- Standard support
- Integrations
- phone masks
- Analytics and reporting
- Dedicated support and onboarding
- tracker removal
- Everything in Professional
- browser integration
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
addy.io vs Firefox Relay: strengths and trade-offs
addy.io
Pros
- Free trial offered
- Compliance: GDPR, CCPA
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
Firefox Relay
Pros
- Free trial offered
- Compliance: GDPR, CCPA
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
Buyer Fit
Who should use addy.io vs Firefox Relay?
Startups
Either
Either keeps early-stage costs lowest with its entry tier.
Small businesses
Either
Either offers the most accessible pricing for lean teams.
Agencies
Either
Either connects to more tools for multi-client workflows.
Enterprises
Either
Either leads on compliance and breadth for complex needs.
Ecommerce
Either
Either integrates with more of the commerce stack.
SaaS companies
Either
Either is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (6)
Only in addy.io (0)
Only in Firefox Relay (0)
Keep Exploring
Other alternatives worth considering
Similar data privacy products buyers compare alongside addy.io and Firefox Relay.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs addy.io and Firefox Relay against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationaddy.io vs Firefox Relay, Frequently Asked Questions
What is the difference between addy.io and Firefox Relay?
addy.io and Firefox Relay are both Data Privacy solutions. addy.io is rated 0.0/5 by 0 users, while Firefox Relay is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, addy.io or Firefox Relay?
Based on user ratings, addy.io scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, addy.io or Firefox Relay?
Both products have custom pricing. We recommend contacting both vendors for a quote tailored to your team size.
Does addy.io or Firefox Relay have a free plan?
Neither addy.io nor Firefox Relay currently offers a free plan, but addy.io provides a free trial.
Can I switch from addy.io to Firefox Relay?
Switching between addy.io and Firefox Relay is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use addy.io vs Firefox Relay?
addy.io is best suited for teams that prioritise enterprise features. Firefox Relay works well for teams needing advanced capabilities.
Our Verdict
The bottom line on addy.io vs Firefox Relay
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Either
It's a tie has the friendliest entry point for new teams.
Best for Enterprise
Either
It's a tie leads on compliance and feature breadth.
Best Value
Either
It's a tie delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.