Comparison

Cardma vs OnePersent

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

Head to head

Cardma

AI-Cards & Knowledge Builder

About

Cardma

Features

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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

OnePersent

Features

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How much time do you spend scrolling your phone? And how much time do you invest in yourself? "1%" helps you observe how you spend your time each day — so you can clearly see where your hours actually go.

Screenshots

Cardma4 screens

OnePersent4 screens

Verdict

The call

The clearest difference is in-app purchases: OnePersent at none against Cardma's 4. Cardma's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 3 level

Cardma versus OnePersent: the parameters behind the verdict, then further details
Parameter	Cardma	OnePersent
Price	Free	Free
Update frequency	Every 3 days	Every 3 days
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	13.0 — better	17.6
Further details — not scored
Size	63 MB	2 MB
Age rating	4+	4+
Developer	chung-Ying Xie	YI-LIN HSIEH

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

OnePersent

No in-app purchases

Questions

Is Cardma free?

Cardma is free to download, with in-app purchases available.

Is OnePersent free?

OnePersent is free to download, with no in-app purchases.

Do Cardma or OnePersent have ads?

Neither Cardma nor OnePersent shows ads.

Which is updated more often, Cardma or OnePersent?

Cardma ships an update every 3 days, and OnePersent every 3 days. Most recently, Cardma was updated on September 29, 2026 and OnePersent on October 8, 2026.