O vs DifferSheet

แอพกวดวิชาคณิตวิทย์ออนไลน์ของพี่โอ๋ O-PLUS เรียนเข้าใจแน่แค่มีเน็ต ลองแล้วจะได้รู้ว่าสอนดีเป็นยังไง คอร์สคณิตวิทย์ที่อัพเดททุกปี ครบทุกเนื้อหาคณิตวิทย์ม.ต้นและคณิตม.ปลาย น้องๆสอบติด เกรดขึ้นกันทุกปี

DifferSheet is a digital journal that helps children build real skills in a new way — one that's genuinely fun and actually measurable. Skills grow through practice and repetition, and journaling is one of the most effective ways to get there. Research from around the world points to the same benefits: writing regularly helps children organize their thoughts, understand themselves better, tell their own stories, and even work through difficult feelings. A paper notebook offers all of that — but it can't show progress, and it rarely holds a child's attention for long. DifferSheet fills in exactly what a notebook can't do. With a fresh topic every week, children keep writing at their own pace, and enjoy it far more along the way. Premium Subscription • Monthly — THB 149 / 1 month • 6 Months — THB 699 / 6 months • Yearly — THB 1,490 / 12 months Subscriptions are auto-renewable. Payment is charged to your App Store account at confirmation of purchase and renews automatically at the same price unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.differsheet.com/privacy-policy