Watsons TH vs ONESIAM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watsons TH
Shop for health and beauty products with ease. Virtually try on makeup, access exclusive deals and promotions, and manage your loyalty card. Discover health and beauty trends and tools.
- Virtual makeup try-on
- Virtual member card
- In-store coupons and vouchers
- BMI/BMR Calculator
- Health and beauty trend discovery
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WATSONS ON-THE-GO The No.1 health & beauty retailer in Asia is now available in the all new WATSONS APP! We’ve completely reimagined the in-app experience to make shopping fun and hassle-free. Discover our amazing deals and exclusive promotions, anywhere, 24/7 with the Watsons mobile app. Here’s some of the latest features you will find: TRY ON MAKEUP VIRTUALLY Now with the #ColourMe tool in our App, you can try on all sorts of makeup and color shades virtually and hassle-free! Shop for your favourite colors and styles, and try on entire “hot looks” handcrafted by our beauty experts. VIRTUAL MEMBER CARD You don’t need to carry around your Watsons Card anymore. Just pop open your virtual card when you’re shopping in our stores to collect points and unlock member-only discounts! IN-STORE COUPONS AND VOUCHERS There might be exclusive in-store coupons waiting for you – check the app to make sure you don’t miss out on exclusive offers. DISCOVER MORE The Watsons App is the perfect place to get inspired! For the health enthusiasts, our BMI/BMR Calculator can help you achieve your wellness goals. Learn about the latest health and beauty trends from our Watsons experts and bloggers. So what are you waiting for? Download our App now to enjoy the new Watsons online shopping experience!
ONESIAM
This app connects online and offline shopping experiences across multiple retail destinations. It offers a comprehensive range of services, curated content, and exclusive privileges for shoppers. Discover and access services from leading Thai retail and lifestyle destinations.
- Online and offline shopping integration
- Access to multiple retail destinations
- Curated content and privileges
- Full range of services
- Bridging digital and physical retail
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“ONESIAM SuperApp” bridges online and offline worlds, caters to all shopping needs and brings together services from all of our retail destinations for passionate consumers, along with a full range of curated content and privileges. The app was curated and developed by Siam Piwat Group, a leading world-class retail and real estate developer from Thailand that owns and operates Bangkok’s most visited retail and lifestyle destinations such as Siam Paragon, Siam Center, Siam Discovery, ICONSIAM, and Siam Premium Outlets. ONESIAM SuperApp. The SuperApp for Extraordinary Experiences.
Screenshots
Verdict
The clearest difference is rating: Watsons TH at 4.7 against ONESIAM's 4.2. Watsons TH also leads on review sentiment (52% vs 15%) and ratings volume (1.1K vs 10). ONESIAM's advantage is monetization model (ad-supported vs free with in-app purchases). 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.
Watsons TH holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Watsons TH has 1.1K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 52% of Watsons TH's written reviews are positive against 15% of ONESIAM's.
Watsons TH ships an update every 3 weeks, ONESIAM every 11 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Watsons TH | ONESIAM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.1K ratings) — better | 4.2 (10 ratings) |
| Positive reviews | 52.2% of reviews — better | 15.3% of reviews |
| Number of ratings | 1.1K — better | 10 |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 199 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | AS Watson & Company, Limited | SIAM PIWAT COMPANY LIMITED |
Customer experience
Watsons TH
ONESIAM
In-app purchases
Watsons TH
No in-app purchases
ONESIAM
No in-app purchases
