Quick summary

Sleeper is a free mobile app that blends social chat with season-long fantasy competitions. Originally created as a place for sports fans to discuss games and seasons, it now also supports several fantasy formats so you can manage teams and compete with friends — all within the same app.

Supported fantasy formats

  • Fantasy League of Legends — draft professional players, use weekly pick-and-ban mechanics, and compete across Spring and Summer splits.
  • Bracket-style college basketball (Bracket Mania) — fill out NCAA tournament brackets, with newer options to submit picks at stages like the Sweet 16 and Final Four.
  • NFL fantasy football — manage a roster of real NFL players using a straightforward draft system and a colorful matchup view with mascots.
  • NBA fantasy basketball — weekly head-to-head play reworked to emphasize strategy and keep matchups engaging.

All formats are free to join.

Communication and group features

  • Voice chat for live conversations with league mates.
  • Dedicated group chats for each league and custom groups, plus fast, modern messaging.
  • One-on-one direct messages for private conversations.
  • Multimedia support — send photos, GIFs, and regular text in chats.

These social tools were part of Sleeper’s original focus and remain central to the experience.

Gameplay and interface highlights

The app emphasizes simplicity for commissioners and players alike:

  • Clean drafting tools that make building and managing rosters straightforward.
  • Enhanced matchup screens with playful visuals (mascots and other UI touches).
  • New modes and weekly strategic choices (for example, champion bans in LoL or stage-based bracket picks for college basketball).

Strengths and shortcomings

Strengths

  • Unified social and fantasy experience — chat and gameplay live in one place.
  • Multiple game types available, so users aren’t limited to a single sport.
  • Attractive, user-friendly design that simplifies league administration.

Shortcomings

  • Performance can be inconsistent: users report lag and occasional slowdowns.
  • Some features or specific leagues may not always work reliably.

Alternatives

If you want to try a different platform, Dream11 and other fantasy apps provide another option to consider, depending on the sports and formats you prefer.

Technical

Title
Sleeper
Requirements
  • Windows
  • iPhone
Language
No language has been specified.
Available languages
License
  • Free
Latest update
2026-01-27
Author
PassMark Software

Sleeper for other platforms

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