A new and distinct Malus domestica Mill. apple tree variety named ‘Gemini’ particularly characterized by medium vigorous tree with spreading habit. Highly productive with precocious fruit bearing. Resistant to scab, very low susceptibility to powdery mildew. The fruit is very attractive, big, larger than ‘Gala’ with a regular conical shape. The ground color is green with a uniform brilliant ruby red blush, the area of over color is very large. Not subject to cracking. The flesh is creamy, crispy, fresh and juicy with a slight acidity taste. The storage life is comparable to ‘Gala’.