Comparison

Cardma vs Lucid

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Cardma

Features
Read 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

About

Lucid

Features
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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

Cardma4 screens
Lucid4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Cardma sells 4 in-app purchases, starting at $3.99 per month. Lucid asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

Scorecard3 real differences ยท 3 level
Cardma versus Lucid: the parameters behind the verdict, then further details
ParameterCardmaLucid
PriceFreeFree
Update frequencyEvery 3 daysEvery 3 days
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size63 MB2 MB
Age rating4+4+
Developerchung-Ying XieGoo wong Kwon

In-app purchases

4 purchases

Cardma

Subscriptions4
  • Monthly Plus$3.991 Month
  • Monthly Pro$7.991 Month
  • Annual Plus$29.991 Year
Show 1 more
  • Annual Pro$79.991 Year
None

Lucid

No in-app purchases

Questions

Is Cardma free?
Cardma is free to download, with in-app purchases available.
Is Lucid free?
Lucid is free to download, with no in-app purchases.
Do Cardma or Lucid have ads?
Neither Cardma nor Lucid shows ads.
Which is updated more often, Cardma or Lucid?
Cardma ships an update every 3 days, and Lucid every 3 days. Most recently, Cardma was updated on October 25, 2026 and Lucid on October 22, 2026.

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