SGFlight vs Stamp Duty
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SGFlight
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This app is designed to view and verify personnel licences issued by Civil Aviation Authority of Singapore (CAAS). This app allows licence holders to scan a QR code issued by CAAS via email to add and store their licences within this app. The app also allows a time limited QR code to be generated for enforcement officers to verify the licence authenticity.
Stamp Duty
This app helps users calculate stamp duty for property purchases in Singapore. It covers residential and non-residential properties, company shares, and allows verification of stamp duty certificates and checking outstanding amounts.
- Calculate residential stamp duty
- Calculate non-residential stamp duty
- Calculate company shares stamp duty
- Verify stamp duty certificate
- Check outstanding stamp duty amount
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Features: - Calculate Residential Stamp Duty - Calculate Non-Residential Stamp Duty - Calculate Company Shares - Verify Stamp Duty Certificate - Check Outstanding Amount Buyer's Stamp Duty (BSD) is tax paid on documents signed when you buy or acquire property located in Singapore. Liable buyers are required to pay ABSD on top of the existing Buyer’s Stamp Duty (BSD). ABSD and BSD are computed on the purchase price as stated in the dutiable document or the market value of the property (whichever is the higher amount).
Screenshots
Verdict
The clearest difference is ads: SGFlight at none against Stamp Duty's shown. Stamp Duty's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (12 vs 16.4). 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.
SGFlight ships an update every 5 months, Stamp Duty every 2 months. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.
| Parameter | SGFlight | Stamp Duty |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 12 — better |
| Further details — not scored | ||
| Size | 51 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Civil Aviation Authority of Singapore | Novanet Solutions |
In-app purchases
SGFlight
No in-app purchases
Stamp Duty
No in-app purchases
