XBuilding vs SKY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XBuilding
Read full descriptionHide full description
Với năng lực và đội ngũ nhân sự có kinh nghiệm triển khai các dự án lớn, X-TECH luôn nỗ lực mang đến các sản phẩm và dịch vụ tốt nhất, giúp khách hàng thích ứng, chuyển dịch và nâng tầm giá trị doanh nghiệp trong bối cảnh thị trường chuyển đổi số mạnh mẽ.
SKY
Read full descriptionHide full description
SKY-LINE school electronic contact book application
Screenshots
Verdict
The clearest difference is iOS requirement: XBuilding at 13.4 against SKY's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
XBuilding ships an update every 3 months, SKY every 6 weeks. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | XBuilding | SKY |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 73 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | Nguyen Chinh | SKY-LINE School |
In-app purchases
XBuilding
No in-app purchases
SKY
No in-app purchases
