Store Watcher vs ZkBa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Store Watcher
This app monitors Apple Store pickup and Google Store online stock for specific product configurations. It checks availability periodically and notifies users when items are in stock. Users must complete purchases on the official store websites.
- Monitor Apple Store pickup
- Monitor Google Store online stock
- Choose color, capacity, and configuration
- Receive stock alerts
- HTTPS product page integration
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Watch Apple Store pickup and Google Store online stock for your chosen configuration. Choose color, capacity and configuration Use an HTTPS product page from Apple Store or Google Store. Google Store checks the online listing for your selected configuration about every 5 minutes. Store pickup, delivery dates and stock reservations are not included. Stock can change after checking. Alerts do not reserve products. Confirm availability and complete your purchase on the official store. This app is not provided or endorsed by Apple or Google. It does not reserve or purchase products. Google AdMob banners support this app. Watched products and postal codes are not used for ad targeting. With your permission, Google Analytics measures usage, product codes, categories, regions, and watch and purchase-button actions. Entered names, postal codes and notification destinations are not sent. All features work without analytics. You can change your choice in Settings.
ZkBa
Discover the latest deals and discounts from major online retailers worldwide. Find high-quality products at bargain prices and enjoy cost-effective online shopping.
- Latest deal alerts
- Global e-commerce discounts
- High-quality products
- Bargain prices
- Cost-effective shopping
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ZkBa，一款汇聚最新活动线报资讯的应用。网罗了海内外各大知名电商购物网站的折扣优惠商品，让你用白菜价格就能买到高品质的商品，从此告别大海捞针的商品挑选，享受高性价比的网购。 如有任何问题或建议，可发邮件至208638785@qq.com
Screenshots
Verdict
The clearest difference is review sentiment: ZkBa at 52% against Store Watcher's 0%. ZkBa also leads on rating (3.2 vs 1.0) and ads (none vs shown). Store Watcher's advantage is update cadence (every 4 weeks vs every 4 months) and chart position (#6 vs #87). On in-app purchases, monetization model 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
Store Watcher costs $0.49 and ZkBa $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ZkBa holds the better App Store score, 3.2 against 1.0. That said, the two scores are not equally well evidenced: ZkBa has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Store Watcher's written reviews are positive against 52% of ZkBa's.
Store Watcher ships an update every 4 weeks, ZkBa every 4 months. Both last shipped on October 29, 2026.
| Parameter | Store Watcher | ZkBa |
|---|---|---|
| Price | $0.49 — better | $1.99 |
| Rating | 1.0 (1 ratings) | 3.2 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | 52.4% of reviews — better |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 4 weeks — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #6 — better | #87 |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 22 MB |
| Age rating | 4+ | 17+ |
| Developer | 株式会社Cavemen.jp | 树铎 许 |
Customer experience
Store Watcher
ZkBa
In-app purchases
Store Watcher
No in-app purchases
ZkBa
No in-app purchases
