Katch vs Whimsy APP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Katch
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Katch，一個屬於香港人的優惠獎賞計劃。會員只需透過應用程式即可領取全城最精彩著數及禮遇，獎賞類別涵蓋不同範疇，包括城中精選活動門票、商鋪購物、美饌及個人理財優惠都應有盡有。 用戶可透過程式隨時接收 Katch 最新消息、優惠及進行互動。
Whimsy APP
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The Happy World App allows you to keep track of your membership benefits at any time, easily check your membership card points, validity period and consumption records. Quick and convenient online payment enables you to pre-purchase game coins for stores in advance, enjoying a smooth consumption experience. Detailed store information is provided, including addresses and business hours, helping you conveniently find the nearest store. The latest promotional activity information is readily available so you won't miss any discounts. Store gifts can be redeemed online, providing members with a convenient experience. Recharge packages, daily check-ins, activity information, gift redemption and other functions are all included, and you can also subscribe to store information update notifications. Download now to enjoy exclusive member services and promotional activities!
Screenshots
Verdict
The clearest difference is update cadence: Whimsy APP at every 5 days against Katch's every 3 weeks. Katch's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.
Katch ships an update every 3 weeks, Whimsy APP every 5 days. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.
| Parameter | Katch | Whimsy APP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 152 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | Katch (HK) Limited | The Wonderful World of Whimsy |
In-app purchases
Katch
No in-app purchases
Whimsy APP
No in-app purchases
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