CardWord vs O Words
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CardWord
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CardWord is an assistant that helps you learn and memorize foreign words. This is easily achieved using the effective and proven "method of cards", which are grouped into different topics. Available languages: - German - Spanish - Greek - Russian
O Words
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- Only Words is an app that makes learning foreign words easy with stories. - With a single tap, you can learn the meanings of the words in the stories you read. - You can choose word groups in the category you want and learn only those words. - You can listen to word pronunciations. - Thanks to its simple and user-friendly interface, students of all ages and levels can improve their language skills at their own pace and according to their interests. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CardWord at none against O Words's 2. CardWord also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). O Words's advantage is update cadence (every 2 weeks vs every 8 months). On price 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. O Words sells 2 in-app purchases, starting at $0.99 per month. CardWord asks for nothing beyond the download.
CardWord ships an update every 8 months, O Words every 2 weeks. The most recent releases landed on October 30, 2026 and October 9, 2026 respectively.
| Parameter | CardWord | O Words |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 30 MB | 58 MB |
| Age rating | 4+ | 17+ |
| Developer | Andrey Gorokhov | Alp Can Marangoz |
In-app purchases
CardWord
No in-app purchases
O Words
- 1 Month of Premium.$0.991 Month
- 1 Year of Premium.$5.991 Year
Questions
Is CardWord free?
Is O Words free?
Do CardWord or O Words have ads?
Which is updated more often, CardWord or O Words?
Other comparisons
