# Onevoca - Flashcards

> A vocabulary app used by 600,000 learners

Canonical page: [https://chrome-stats.com/d/com.zak1ller.Onevoca](https://chrome-stats.com/d/com.zak1ller.Onevoca)

## Overview

- **ID:** `com.zak1ller.Onevoca`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Sumin Inc
- **Category:** EDUCATION
- **Downloads:** 103,294
- **Rating:** 4.75 / 5 (1,742 ratings)
- **Version:** 398
- **Last updated:** 2026-09-12
- **First published:** 2019-08-02
- **Publisher country:** KR
- **Size:** 23 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.zak1ller.Onevoca)
- **Website:** [https://onevoca.com](https://onevoca.com/)
- **Privacy policy:** [https://scarlet-deposit-885.notion.site/Privacy-Policy-English-c50c7b56a19344c8b009891fbd3fbf1b?pvs=74](https://scarlet-deposit-885.notion.site/Privacy-Policy-English-c50c7b56a19344c8b009891fbd3fbf1b?pvs=74)

## Description

Onevoca is a personalized vocabulary book and flashcard app used by over 600,000 learners. Register only the words you need and organize them by topic or chapter using groups and collections. Import lists via CSV or type a word to auto-fetch meanings; AI generates example sentences to show context. Browse or contribute to a community library of ready-made word lists, and enjoy high-quality, natural AI pronunciation in 33 languages — not robotic, but clear and human-like.

Every study mode in Onevoca uses evidence-backed memorization techniques, including spaced repetition and interval review. Receive customizable word notifications throughout the day to reinforce recall, adjust learning settings for your pace, and track progress across multiple subjects — from foreign languages to technical vocabulary. Support and web access are available at https://www.onevoca.com.

## Rankings

- #217,985 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `com.zak1ller.Onevoca.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Onevoca - Flashcards is praised for its intuitive and simple interface, making vocabulary learning effective and enjoyable. Users appreciate new features that improve learning experience, like the generate example button. However, multiple users point out issues such as the absence of a dark mode on Android, limited testing functionalities allowing only one-way testing, and restrictive daily backup limits affecting multi-device use. Additionally, input features like line breaks in descriptions and keyboard prediction during testing need improvement to enhance user convenience.

### Pros

- Easy-to-use and simple interface
- Useful for learning and storing vocabulary
- New features like generate example button enhance usability
- Overall great and indispensable tool for users
- The app supports backup and synchronization functionalities

### Cons

- Lack of theme options, especially a dark mode on Android
- Limited testing modes (only one direction for vocabulary testing)
- Insufficient backup and restore limits per day for multi-device syncing
- Description input during flashcard creation lacks line break support
- Keyboard prediction interfering during self-testing

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.zak1ller.Onevoca)