CORE vs O2M
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CORE
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O2M
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Take advantage of key features only available on mobile. Key features: App-only coupons and discounts Auto-login View Order history, Shipping info View Shopping cart, Shipping info Push notifications for online store Share products through social media Customer Support
Screenshots
Verdict
The clearest difference is ads: CORE at none against O2M's shown. O2M's advantage is update cadence (every 9 months vs every 30 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CORE ships an update every 30 months, O2M every 9 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.
| Parameter | CORE | O2M |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 30 months | Every 9 months β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 12.0 β better | 13.0 |
| Further details β not scored | ||
| Size | 10 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | gyeongho No | Dong Hyouck Kang |
In-app purchases
CORE
No in-app purchases
O2M
No in-app purchases







