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Provei.AI vs Sizebay

Provei.AI vs Sizebay

Compare Provei.AI and Sizebay across cost, speed, implementation, and ease of use to identify the better fit for your e-commerce business.

2–5 s
vs 30–60s for Sizebay
Image generation speed
R$ 289.00
Starting monthly price
Published online
5 min
vs days or weeks
Installation time
Up to 94%
Reported increase
In conversion rate

Features and pricing at a glance

Compare the listed features, pricing, and implementation requirements side by side.

Performance

Feature
Provei.AI
Sizebay
Advantage
Image generation time
2–5 seconds
30–60 seconds
Provei.AI
Loading speed
Not separately measured
Not separately measured
Tie
Image quality
AI-generated visualization
AI-generated visualization
Tie

Price and costs

Feature
Provei.AI
Sizebay
Advantage
Starting plan
R$ 289.00/month
On request
Provei.AI
Setup fee
Free
On request
Provei.AI
Pricing transparency
Public prices
On request
Provei.AI
Money-back guarantee
Seven days
On request
Provei.AI

Ease of use

Feature
Provei.AI
Sizebay
Advantage
Installation time
5 minutes
Varies by integration
Provei.AI
Developer required
Not required
Depends on integration
Provei.AI
Onboarding
Guided setup
Dedicated team
Provei.AI
VTEX integration
Native (script)
Native (API)
Tie

Features

Feature
Provei.AI
Sizebay
Advantage
3D virtual try-on
Yes
Yes
Tie
Real models (AI)
Yes
Yes (simulation)
Tie
Metrics dashboard
Real-time metrics dashboard
Available
Provei.AI
Fit Predictor (sizing)
Not currently available
Available
Sizebay

Support and localization

Feature
Provei.AI
Sizebay
Advantage
Portuguese support
Native (BR)
Yes
Provei.AI
Support team
Brazil-based
Brazil + global
Tie
Brazilian market knowledge
Specialized
Brazilian and global operations
Tie

Provei.AI advantages

Compare Provei.AI on generation speed, published pricing, installation, and local support.

1

Speed

Provei.AI generates images in 2–5 seconds versus Sizebay’s 30–60 seconds. Less friction, more conversions.

2

Transparent pricing

Public prices from R$ 289.00/month. Sizebay works on request, making comparison more difficult.

3

Five-minute installation

Implementation through a simple script, with no developer or lengthy process required.

4

Local support

A Brazilian team specialized in the local market, with native Portuguese support.

When should you choose each one?

Match each product’s strengths to your platform, team, and sizing requirements.

Provei.AI

  • Want to start quickly without bureaucracy
  • Prefer transparent pricing
  • Value fast generation
  • Do not want to depend on developers
  • Want responsive support in Portuguese

Sizebay

  • Need an advanced Fit Predictor
  • Run a high-volume enterprise operation
  • Need dedicated consulting
  • Have an in-house development team
  • Want an established market solution

Where each product fits

Sizebay is an established virtual try-on company in the Brazilian market, with years of experience and a robust Fit Predictor. If you need this specific feature and run an enterprise operation with the resources for a complex implementation, Sizebay may be a good option.

On the other hand, Provei.AI stands out for speed, ease of use, and pricing transparency. With image generation in 2–5 seconds versus Sizebay’s 30–60 seconds and installation in five minutes without a developer, Provei.AI is ideal for stores that want to start quickly and see immediate results.

Our prices are also public and transparent, starting at R$ 289.00/month, while Sizebay works on request, which may represent a significantly larger investment.

Which option fits your needs?

Choose Provei.AI if:
  • • You want fast results
  • • You prefer simplicity
  • • You value cost-effectiveness
  • • You do not have a technical team
Choose Sizebay if:
  • • You need Fit Predictor
  • • You run a large enterprise operation
  • • You have an in-house development team
  • • You have a flexible budget

What to compare before you choose

Test both products with your catalog, platform, and support workflow before making a decision.

Catalog fit

Use representative products and image inputs.

Implementation fit

Confirm the integration steps with your technical team.

Support fit

Compare response channels, languages, and service levels.

Frequently asked questions

Answers to common questions about the Provei.AI and Sizebay comparison.

Which is faster: Provei.AI or Sizebay?
Provei.AI is significantly faster. We generate images in 2–5 seconds, while Sizebay takes 30–60 seconds. That difference is crucial to the user experience and conversion rate.
Does Sizebay have any advantage over Provei.AI?
Yes. Sizebay has a more robust and established Fit Predictor. If precise size prediction is your main need, Sizebay may be the better choice. It also has more time in the market and case studies with large companies.
Can I try before buying?
Every Provei.AI plan includes a seven-day money-back guarantee. Contact Sizebay for its evaluation terms.
How much does each solution cost?
Provei.AI has transparent prices from R$ 289.00/month with no setup fee. Sizebay works on request and generally involves higher values, especially for enterprise implementations. See our pricing page .
Do they work on the same platforms?
Yes. Both work on leading platforms such as VTEX, Shopify, WooCommerce, and Nuvemshop. The difference is installation: Provei.AI uses a simple script that can be installed in five minutes, while Sizebay generally requires a more complex API integration.

Ready to evaluate Provei.AI?

Request a demonstration and see how the product can work in your operation.

Seven-day money-back guarantee • Setup time varies by integration

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