Choose IOSoccer
Choose IOSoccer if you want an Indie, Free To Play, and Early Access game with Online Co-op and Co-op. On Steam, it's free to play, so the barrier to trying it is zero. IOSoccer launched in 2018.
IOSoccer vs Pro Soccer Online
IOSoccer and Pro Soccer Online both land in Sports on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Sports games on Steam. IOSoccer (2018) is 7 years older than Pro Soccer Online (2025). Pro Soccer Online scores higher on Steam reviews (80.8% positive) than IOSoccer (79.7% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Pro Soccer Online
Choose Pro Soccer Online if it's the newer release (2025) and ships with the modern feature baseline. 3,776 Steam reviews back the pick.
Both IOSoccer and Pro Soccer Online sit in Sports on Steam and both list Multi-player, Online PvP, and PvP, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (79.7% vs 80.8% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 IOSoccer |  Pro Soccer Online | |
|---|---|---|
| Released | 2018 | 2025 |
| Genres | Sports, Indie, Free To Play, Early Access | Sports |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Playable |
| Price | Free to play | 4.99 USD |
| Steam reviews | 79.7% positive (982 reviews) | 80.8% positive (3,776 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player |
| Developers | IOSoccer Team | Skywall Studios LLC |
Side by side
- Both are Sports games on Steam.
- IOSoccer (2018) is 7 years older than Pro Soccer Online (2025).
- Pro Soccer Online scores higher on Steam reviews (80.8% positive) than IOSoccer (79.7% positive).
- IOSoccer is free; Pro Soccer Online is paid (4.99 USD).
- IOSoccer has co-op; Pro Soccer Online does not.
- Both are Deck Playable.
IOSoccer vs Pro Soccer Online — FAQ
- Which is better, IOSoccer or Pro Soccer Online?
- On Steam reviews the two are nearly tied: IOSoccer sits at 79.7% positive (982 reviews), Pro Soccer Online at 80.8% (3,776). The choice usually comes down to genre fit and the platform features each one supports — see the comparison table above.
- Should I play IOSoccer or Pro Soccer Online first?
- If you want chronology, IOSoccer (2018) came out before Pro Soccer Online (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are IOSoccer and Pro Soccer Online similar?
- They overlap on Sports on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Is IOSoccer free?
- Yes — IOSoccer is a free-to-play Steam title. Pro Soccer Online is paid (4.99 USD).