BetMGM Promos for Existing Users

The welcome code above is strictly for new accounts. However, if you already have the app, BetMGM offers one of the strongest daily promotional calendars in the industry. You do not need a promo code to opt into these. Just check the "Promotions" tab in the app:

• Lion's Boosts: Daily enhanced odds on specific player props or game outcomes (e.g., boosting a player to score from +110 to +150).
• Free-to-Play Games: Daily predictor games (like the 8-Bit Barry game during NFL season) that award bonus bets or parlay boost tokens.
• MGM Rewards: Every bet you place earns Tier Credits and Rewards Points, which can be redeemed for bonus bets or used for hotel comps at physical MGM properties.

Quick Reference: Offer Mechanics & Key Terms

Always read the full terms and conditions in the BetMGM app before placing your first wager.

Why Is My BetMGM Bonus Code Not Working?

• You are in the wrong state for the offer: BetMGM runs different welcome offers depending on your location.
• You already placed your first wager: only your first real-money wager qualifies for the welcome promotion.
• You used the wrong product: sportsbook and casino bonus codes are different.
• Your qualifying bet did not meet the minimum stake: most sportsbook welcome offers require at least a $10 deposit and $10 wager.
• Your bonus bets expired: BetMGM bonus bets usually expire 7 days after being issued.
• You are an existing BetMGM or related-brand user: welcome offers are for new users only.

Pros & Cons

Pros

• Strong welcome promos — bet-and-get or first bet paid back bonus
• No rollover on bonus bets — winnings only, no playthrough
• Wide range of sports, markets, and live betting options
• Same Game Parlays and regular odds boost tokens for existing users
• MGM Rewards integration — earn Tier Credits redeemable at MGM hotel properties

Cons

• Promos vary by state and can change without notice
• 7-day bonus bet expiry is among the tightest in the market
• Customer support gets consistently mixed reviews
• Bonus bet stake is never returned on winning bets
• App performance known to lag, especially during high-traffic games

The MGM Rewards Advantage

BetMGM is one of the only major US sportsbooks connected to a real-world hotel and entertainment loyalty program. Every dollar wagered on sports earns MGM Rewards Tier Credits, which can be redeemed at over 30 MGM properties, including the Bellagio, MGM Grand, and Borgata.

• Sports wagers earn Tier Credits that count toward Sapphire, Pearl, Gold, and Platinum loyalty tiers
• Tier Credits from betting stack with points earned at MGM casino properties and hotels
• Rewards redeemable for dining credits, hotel stays, show tickets, and sports betting site credit
• No other major US sportsbook offers genuine hotel-property redemption at this scale

Who this actually benefits

• Vegas visitors: Regular MGM hotel guests who bet sports anyway will find their tier status climbing without extra effort
• High-volume bettors: Players placing $500+ per week will hit meaningful reward tiers within a full NFL season
• Caesars Rewards crossover players: If you've maxed your Caesars comp value, BetMGM is the natural second account for Vegas-adjacent loyalty perks
• Casual bettors: The rewards program is a genuine secondary benefit, but it shouldn't drive your book selection at lower stakes

MGM Rewards Tier Breakdown

Tier Credits earned through sports betting stack with credits earned at MGM hotels and casino properties.

App Performance: Tested Live

BetMGM's app has a well-documented lag problem, particularly during primetime events. During the recent Champions League final, we measured a 4.2-second delay in live-odds refreshing on the BetMGM iOS app compared to the desktop site, which regularly resulted in rejected live bets. If you're experiencing slow load times, odds not refreshing, or bets failing to process, these steps resolve the issue in most cases:

• Clear the app cache: On iOS, offload the app via Settings > General > iPhone Storage > BetMGM > Offload App, then reinstall. On Android, go to Settings > Apps > BetMGM > Storage > Clear Cache.
• Force close and restart the app before placing time-sensitive bets. This forces a fresh pull of the odds API.
• Switch to WiFi if you're on cellular during a large event. The BetMGM live betting interface is heavily unoptimized for low bandwidth.
• Use the desktop site as a fallback during high-traffic windows. Our tests confirm desktop performance is significantly more stable than the app during major events.

What Reddit Users Say About BetMGM

Reddit sentiment on BetMGM is polarized in a consistent way. The platform gets praise for two things: a high volume of bonus bet promos for existing users, and competitive "soft" odds on straight single-game bets. The recurring criticism centers on an app that lags noticeably during live betting and a reputation for account limiting that kicks in fast for players posting consistent wins. Most experienced bettors keep BetMGM as a line-shopping book rather than a primary daily driver.

Quick Consensus Table

How We Verify BetMGM Promo Codes

Every promo code and offer on ATS.io goes through a three-step verification process before we publish:

• In-App Check: We verify the code directly inside the BetMGM Sportsbook mobile app and confirm the exact offer wording, odds restrictions, token count, and expiry terms shown to a new account.
• Terms Audit: We read the full terms and conditions for each offer, not just the headline numbers. Restrictions like the state-by-state split between the $1,500 and $150 offers, the five-token structure on large first bets, and the 7-day expiry window are all surfaced explicitly.
• Date Stamp: Every page carries a verified date. If an offer changes, we update within 48 hours.

Find out more about how we review and rate sportsbooks.