LibDev vs /cards
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
LibDev
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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.
/cards
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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 โข 40+ documented slash commands, kept current as new Claude Code releases ship โข Command โ Description quiz mode โข Description โ Command quiz mode โข Mixed mode that alternates both directions โข Category filters: built-in, plugin, hooks, MCP, and more โข A polished Library to browse the full catalog with search โข Per-command detail pages with examples, versions, aliases, and notes โข Mastery tracking: answer a command correctly five times to lock it in โข Stats: streaks, daily activity, accuracy, and a per-category breakdown WIDGETS โข Card of the Day on your Home Screen (small + medium) โข Lock Screen accessory with today's command โข 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 โข Anthropic-inspired warm coral palette โข First-class Light and Dark Mode โข 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
Verdict
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
Both are free to download. /cards sells 4 in-app purchases, starting at $2.99 per month. LibDev asks for nothing beyond the download.
LibDev ships an update every 4 days, /cards every 3 weeks. Both last shipped on September 23, 2026.
| Parameter | LibDev | /cards |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days โ better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 18.2 | 18.0 โ better |
| Further details โ not scored | ||
| Size | 54 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | LIBERA ARNEL LATE LAWSON | Parra LLC |
In-app purchases
LibDev
No in-app purchases
/cards
- Pro Monthly$2.991 Month
- Pro Annual$7.991 Year
- Pro Annual$19.991 Year
- Pro lifetime$14.99
Questions
Is LibDev free?
Is /cards free?
Do LibDev or /cards have ads?
Which is updated more often, LibDev or /cards?
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