Cardma vs Lucid
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Cardma
Read full descriptionHide full description
Transform any content into intelligent summary cards with Cardma's advanced AI technology. Whether you're reading articles, watching videos, or studying materials, Cardma instantly creates digestible summary cards that help you retain and organize information effortlessly. Key Features: Advanced AI creates professional summary cards Access your knowledge base anytime, anywhere Smart organization and search capabilities Perfect for students, professionals, and learners Stop forgetting important information. Start building your personal knowledge empire with Cardma. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Lucid
Read full descriptionHide full description
Ever had a great idea, written it down, and never found it again? Notes apps just pile up. All-in-one tools get overwhelming. Lucid sits in between. โ Catch the 3 seconds it lives Tap the home screen widget and start typing. Don't pick a type or a place โ just get it down. โ Organize in 5 minutes a day Swipe through your thoughts and answer one thing: "Where does this go?" No jargon โ Projects, Areas, Resources, Archive. โ Today, only what matters Open the app and today's tasks come first. Each one done is a small win. โ Your second brain, in your hand No account, no login. Every thought stays safe on your iPhone. Stop losing your best ideas. Let Lucid remember them for you.
Screenshots
Verdict
The clearest difference is in-app purchases: Lucid at none against Cardma's 4. Cardma's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Cardma sells 4 in-app purchases, starting at $3.99 per month. Lucid asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.
| Parameter | Cardma | Lucid |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 13.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 63 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | chung-Ying Xie | Goo wong Kwon |
In-app purchases
Cardma
- Monthly Plus$3.991 Month
- Monthly Pro$7.991 Month
- Annual Plus$29.991 Year
Show 1 moreShow fewer
- Annual Pro$79.991 Year
Lucid
No in-app purchases









