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Rating Methodologies

Our GamblersPro Rating System evaluates gambling operators on 20+ criteria through real-money testing. Ratings run from 0 to 5.0 using our JustRatings™ scale.

The JustRatings™ Scale

4.5 – 5.0
Excellent

Outstanding operator. Top recommendation for US players.

4.0 – 4.4
Very Good

Strong operator with minor shortcomings. Highly recommended.

3.0 – 3.9
Good

Decent operator worth considering, depending on your preferences.

2.0 – 2.9
Fair

Below average. Significant issues that impact the experience.

1.0 – 1.9
Poor

Serious problems. We do not recommend these operators.

0.0 – 0.9
Avoid / Blacklisted

Fraudulent or untrustworthy. Avoid completely.

Online Casino Rating Criteria

Safety & Licensing

20%

Valid license from a recognized US authority, security protocols, and compliance with state regulations.

Game Offering

20%

Variety, quality, and quantity of slots, live dealer games, table games, and other game categories.

Bonuses & Promotions

15%

Value of welcome bonus, fairness of wagering requirements, and quality of ongoing promotions.

Mobile Experience

15%

Quality of iOS and Android apps, mobile browser performance, and mobile-specific features.

Banking Options

10%

Variety of payment methods, deposit/withdrawal speeds, and minimum/maximum limits.

Customer Support

10%

Availability, response times, and quality of live chat, email, and phone support.

Responsible Gambling

5%

Quality of available responsible gambling tools and problem gambling resources.

User Experience

5%

Design, navigation, loading speed, and overall platform usability.

Sportsbook Rating Criteria

Odds Quality

25%

Margin quality across major US sports. Lower margins mean higher potential payouts for bettors.

Betting Markets

20%

Depth of markets including standard lines, alternative lines, player props, and exotic bets.

Live Betting

15%

In-play section quality, bet acceptance rates, live streaming, and market availability.

Mobile App

15%

App performance, design, navigation, and real-world betting experience on iOS and Android.

Bonuses

10%

Welcome offer value, wagering requirements, and quality of ongoing promotional calendar.

Safety & Trust

10%

Licensing, reputation, financial stability, and responsible gambling commitment.

Customer Support

5%

Support availability, response times, and resolution quality.

📊 Full Transparency

Our rating system is designed to provide consistent, fair, and transparent evaluations. Every operator is assessed using the same criteria by multiple experts. We welcome feedback on our methodology — contact us if you believe any rating is inaccurate or should be revised.

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