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Mobile battle royale games all use a premium currency for skins, battle passes, and crates, but the economies aren't identical. Here's what your money actually buys in each one.
PUBG Mobile UC (Unknown Cash)
PUBG Mobile UC is spent primarily on the Royale Pass (the seasonal battle pass), crates for cosmetic skins, and the Elite Pass upgrade tiers. UC doesn't expire and carries over between seasons, so topping up in bulk during a sale is generally safe — you won't lose the balance if you skip a season.
Free Fire Diamonds
Free Fire Diamonds fund the Elite Pass, character unlocks, and the game's very active cosmetic bundle rotation. Free Fire's economy leans more heavily on limited-time bundles than PUBG Mobile's, so diamonds tend to get spent faster if you're chasing specific event skins rather than saved up.
Call of Duty Mobile CP (COD Points)
Call of Duty Mobile CP buys the Battle Pass, weapon blueprints, and crates, and — notably — CP is shared across some Activision titles' store infrastructure, though redemption specifics vary by promotion. It's worth checking in-game before assuming cross-title use for any specific bundle.
Buying top-ups safely
All three currencies are delivered by entering your in-game player ID at checkout, then the balance appears directly in your account within minutes — no separate code redemption inside a launcher, unlike PC game keys. Double-check your player ID before completing checkout, since a top-up sent to the wrong ID generally can't be reversed.
Watch for seasonal bundle value
All three games run limited-time bundles that pack more value per unit of currency than buying items individually — a bundle timed around a new season launch is usually the best point to spend a large top-up rather than buying currency and spending it immediately on individual items, which tends to be less efficient.
Account security matters more with mobile top-ups than PC purchases in one specific way: because the currency is tied to your player ID rather than requiring a separate code redemption, make sure two-factor authentication is enabled on the game account itself so a compromised account can't drain a large purchased balance.
Regional pricing for these currencies can differ from the platform's home region, so if your account is registered in a different country than where you're purchasing from, double-check the conversion rather than assuming a flat global price applies uniformly.
Server region can affect matchmaking and ping regardless of which currency you're spending — topping up in-game doesn't change your assigned server, so if performance is inconsistent, that's a separate network setting to check rather than a currency or purchase issue.
Refunds on mobile currency purchases are handled through the app store (Google Play or Apple App Store) rather than the game publisher directly in most cases, worth knowing if a top-up is sent to the wrong ID.
Picking based on your game
There's no cross-shopping here — buy the currency for whichever title you actually play. If you're active across more than one, Mobile Gaming Top-ups covers all three plus other major titles like Mobile Legends and Genshin Impact in one place, so you can compare bundle sizes before choosing an amount.