Global Mortgage Compass vs 上音OA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Global Mortgage Compass
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Global Mortgage Compass helps you plan a Hong Kong residential property purchase. Enter a purchase price, property valuation, down payment, interest rate and term to estimate your monthly principal-and-interest payment, total interest and loan amount. Estimate Hong Kong residential ad valorem stamp duty using the higher of the purchase price and market value. The calculator applies the rates effective from 26 February 2026, including marginal relief. You can also enter monthly income and other debt payments to see an estimated debt-servicing ratio. The estimate assumes a constant interest rate and equal monthly payments. It does not include legal fees, agency fees, other charges or transaction-specific stamp-duty exemptions and concessions. Earlier transactions may use different rules. Banks assess applications individually, and mortgage insurance is subject to eligibility. Check the latest rules and your circumstances with the Inland Revenue Department, your lender and relevant professionals.
上音OA
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欢迎使用上音OA客户端. ^_^
Screenshots
Verdict
The clearest difference is ads: 上音OA at none against Global Mortgage Compass's shown. 上音OA also leads on update cadence (fortnightly vs every 8 months) and iOS requirement (14.0 vs 16.0). On price, in-app purchases and device support 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.
Global Mortgage Compass ships an update every 8 months, 上音OA fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Global Mortgage Compass | 上音OA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | ITHK | 上海阳关网络信息技术有限公司 |
In-app purchases
Global Mortgage Compass
No in-app purchases
上音OA
No in-app purchases
Questions
Is Global Mortgage Compass free?
Is 上音OA free?
Do Global Mortgage Compass or 上音OA have ads?
Which is updated more often, Global Mortgage Compass or 上音OA?
Other comparisons
