Comparison

LibDev vs /cards

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

Head to head
About

LibDev

Features
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LibDev est ton compagnon pour apprendre la programmation. - Des cours structures et progressifs - Des quiz interactifs pour tester tes connaissances - Suis ta progression et gagne des points - Formations coaching disponibles avec accompagnement personnalise Que tu sois debutant ou intermediaire, LibDev t'accompagne pas a pas dans ton apprentissage du developpement.

About

/cards

Features
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Slash Cards turns the Claude Code slash command catalog into a focused, beautiful study app. Quiz yourself two ways: see a command and pick the right description, or read a description and pick the right /command. Built for developers who live in Claude Code and want to actually remember what /compact, /resume, /security-review, /hooks, and the rest of the catalog do. WHAT'S INSIDE โ€ข 40+ documented slash commands, kept current as new Claude Code releases ship โ€ข Command โ†’ Description quiz mode โ€ข Description โ†’ Command quiz mode โ€ข Mixed mode that alternates both directions โ€ข Category filters: built-in, plugin, hooks, MCP, and more โ€ข A polished Library to browse the full catalog with search โ€ข Per-command detail pages with examples, versions, aliases, and notes โ€ข Mastery tracking: answer a command correctly five times to lock it in โ€ข Stats: streaks, daily activity, accuracy, and a per-category breakdown WIDGETS โ€ข Card of the Day on your Home Screen (small + medium) โ€ข Lock Screen accessory with today's command โ€ข Control Center button to jump straight into a quiz round 18 LANGUAGES Slash Cards is fully localized, and you can pick your language in Settings independently of your device language. DESIGN โ€ข Anthropic-inspired warm coral palette โ€ข First-class Light and Dark Mode โ€ข Built natively in SwiftUI MEMBERSHIP One simple membership unlocks everything: unlimited practice, every study mode, the full searchable Library, Home Screen and Lock Screen widgets, daily streak reminders, and mastery tracking. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Privacy: Slash Cards stores quiz progress on-device only. The command catalog refreshes from a public read-only endpoint. No account required. Slash Cards is an independent study tool and is not affiliated with or endorsed by Anthropic. "Claude" and "Claude Code" are trademarks of their respective owners. Terms of Service: https://parra.io/terms-of-service.html Privacy Policy: https://parra.io/privacy-policy.html

Screenshots

LibDev4 screens
/cards4 screens

Verdict

The call

The clearest difference is in-app purchases: LibDev at none against /cards's 4. LibDev also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. /cards sells 4 in-app purchases, starting at $2.99 per month. LibDev asks for nothing beyond the download.

UpkeepUpdate frequency

LibDev ships an update every 4 days, /cards every 3 weeks. Both last shipped on September 23, 2026.

Scorecard2 real differences ยท 4 level
LibDev versus /cards: the parameters behind the verdict, then further details
ParameterLibDev/cards
PriceFreeFree
Update frequencyEvery 4 days โ€” betterEvery 3 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.218.0 โ€” better
Further details โ€” not scored
Size54 MB5 MB
Age rating4+4+
DeveloperLIBERA ARNEL LATE LAWSONParra LLC

In-app purchases

None

LibDev

No in-app purchases

4 purchases

/cards

Subscriptions3
  • Pro Monthly$2.991 Month
  • Pro Annual$7.991 Year
  • Pro Annual$19.991 Year
One-time1
  • Pro lifetime$14.99

Questions

Is LibDev free?
LibDev is free to download, with no in-app purchases.
Is /cards free?
/cards is free to download, with in-app purchases available.
Do LibDev or /cards have ads?
Neither LibDev nor /cards shows ads.
Which is updated more often, LibDev or /cards?
LibDev ships an update every 4 days, and /cards every 3 weeks. Most recently, LibDev was updated on September 23, 2026 and /cards on September 23, 2026.

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