Tech Zone vs Derm Ko
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tech Zone
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We are the only one Xiaomi Store and the only company which granted the Authorized to distribute all Yi product for Cambodia market.
Derm Ko
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Sell fruit, drink, and more
Screenshots
Verdict
The clearest difference is update cadence: Derm Ko at every 2 weeks against Tech Zone's monthly. Derm Ko also leads on iOS requirement (10.0 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.
Tech Zone ships an update monthly, Derm Ko every 2 weeks. The most recent releases landed on July 23, 2026 and September 7, 2026 respectively.
| Parameter | Tech Zone | Derm Ko |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 63 MB |
| Age rating | 4+ | 17+ |
| Developer | BizAdvisor Co.,Ltd | Theom Buntheoun |
In-app purchases
Tech Zone
No in-app purchases
Derm Ko
No in-app purchases
