# Nibomo - Kostenlose Open-Source-App für Spaced Repetition

**Kostenlos & Open Source**

Karten erstellen. Besser wiederholen. Mehr behalten.

Eine kostenlose Open-Source-Lernkarten-App, die jede Wiederholung zum richtigen Zeitpunkt plant, offline funktioniert und über Web, iOS und Android synchronisiert. Nutze KI, wenn du Hilfe beim Erstellen oder Verbessern von Karten möchtest. Nibomo hieß früher Flashcards Open Source App.

[Loslegen](https://app.flashcards-open-source-app.com)
[Auf GitHub ansehen](https://github.com/kirill-markin/flashcards-open-source-app)

Keine Kreditkarte. Keine Werbung. Kein Testzeitraum.

```text
Füge diesen MCP-Server zu deinem KI-Client hinzu:
https://mcp.flashcards-open-source-app.com/mcp
```

## Nibomo-Aktivität

Sieh dir die aggregierte tägliche Wiederholungsaktivität im Web, auf iOS und Android an. Die veröffentlichten Zahlen sind aggregierte Zählwerte und legen weder Karteninhalte noch E-Mail-Adressen oder individuelle Lernverläufe offen.

- [Rohdaten ansehen (JSON)](https://api.flashcards-open-source-app.com/v1/global/snapshot)
- Wiederholungen gesamt: 61.577
- Lernende: 491
- Tage im Zeitraum: 195
- Höchstes tägliches Volumen: 1.655
- Höchste tägliche eindeutige Nutzer: 41
- Zeitraum: 7. März – 17. Sept. 2026
- Zuletzt aktualisiert: 18. Sept. 2026, 09:00 UTC

### Tägliche Lernende: neu vs. wiederkehrend

Lernende gelten am ersten Wiederholungstag als neu und danach als wiederkehrend. Eine Wiederholung wird gezählt, wenn auf einer Karte Again, Hard, Good oder Easy gewählt wird.

### Tägliche Wiederholungen nach Plattform

Eine Wiederholung wird gezählt, wenn auf einer Karte Again, Hard, Good oder Easy gewählt wird. Die Zählwerte sind nach Plattform gruppiert.

Rohdaten (JSON):

```json
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  "to": "2026-09-17",
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    "uniqueReviewingUsers": 491,
    "reviewEvents": {
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      "byPlatform": {
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        "android": 11148,
        "ios": 45713
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  },
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    },
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  ]
}
```

## Funktionen

Alles, was du brauchst, um nützliche Karten zu erstellen, rechtzeitig zu wiederholen, offline weiterzulernen und deine Lerndaten selbst zu verwalten.

- **Intelligenter wiederholen mit FSRS** - Wiederhole die Karten, die heute fällig sind. FSRS zeigt schwierige Karten früher wieder und wartet bei vertrauten Karten länger.
- **Karten mit KI-Unterstützung erstellen** - Lass dir von KI helfen, Karten zu erstellen, besser zu formulieren oder eine Antwort zu erklären. Du entscheidest, was gespeichert wird.
- **Offline lernen mit automatischer Synchronisierung** - Lerne auf deinem Mobilgerät auch ohne Internet weiter. Änderungen werden automatisch synchronisiert, damit du im Web, auf iOS oder Android weitermachen kannst.
- **Daten importieren, exportieren und selbst verwalten** - Verschiebe deine Lernmaterialien jederzeit in die App oder aus ihr heraus. Portable Exporte enthalten deine Karten, Tags und zugehörigen Medien.
- **Funktioniert mit KI-Agenten** - Verbinde KI-Agenten über MCP oder die Agent API, damit sie dir beim Erstellen, Verbessern und Organisieren deiner Karten helfen.
- **Kostenlos und selbst hostbar** - Nutze die gehostete App kostenlos, sieh dir den Open-Source-Code an oder betreibe sie auf deiner eigenen Infrastruktur.

---
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