Chess Openings Explorer Proios
Emmanuel Mathis · Games
About
4+Developer site ↗Screenshots
Store gallery · 5🇿🇦
#3
Games · Board
🇨🇻
#4
Games · Board
🇱🇷
#8
Games · Board
🇿🇦
#8
Games · Puzzle
🇷🇺
#9
Games · Board
Store presence
As of Jul 4, 2026stale (74d)Rating 4.55
Ratings 348
Price $3.99
Version —
Updated —
Released Apr 22, 2018
Rank grid
Current rank by country × genre, shown as color bands 1–3 4–10 11–50 51–100 100+
| 🇨🇻CV | 🇿🇦ZA | 🇱🇷LR | 🇷🇺RU | |
|---|---|---|---|---|
| Games · Board | 33▲1 | 58 | 76 | 99▼11 |
| Games · Puzzle | 98 |
Rank over time
Choose chart, genre, and markets to compareVersion history
Versions observed at capture, newest firstv1.11Apr 12, 2020
Improved dark mode support
Update impact
Dated releases · rank and review signals, 14 days before → afterReview sentiment over time
Positive, neutral, and negative share by month, week, or versionPlayer reviews
Recent store reviews · rule-based labelsReview coverage is not available yet for this app.