---
title: "Kioku: Spaced Flashcards - Reviews, Revenue and Downloads in Grenada | Apple App Store"
description: "Spaced is a flashcard app that uses spaced repetition to help you memorize words, phrases, and knowledge efficiently for the long term.  KEY FEATURES  ◆ FSRS Algorithm The world-leading memory model ""
---

# Kioku: Spaced Flashcards — Grenada
> Vocab with spaced repetition

![Kioku App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/56/3e/e6/563ee6c3-e287-cfaa-3611-82a87fc1da23/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [HIROAKI TANO](https://apptail.io/developer/hiroaki-tano-fLzjtc)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.kiokuapp.app
**Store:** Apple App Store
**Country:** Grenada
**Version:** 1.0 (released 2026-03-23)
**Original Release:** 2026-03-23
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/gd/app/app/id6760512052)
**AppTail Page:** [https://apptail.io/app/kioku-spaced-flashcards-AINA/grenada](https://apptail.io/app/kioku-spaced-flashcards-AINA/grenada)

## Kioku Description
Spaced is a flashcard app that uses spaced repetition to help you memorize words, phrases, and knowledge efficiently for the long term.

KEY FEATURES

◆ FSRS Algorithm
The world-leading memory model "FSRS" analyzes your retention in real time and suggests reviews only when you're about to forget — maximizing results in minimum time.

◆ Auto Dictionary Lookup (Multilingual)
Just type a word and tap the dictionary button — pronunciation, meanings, and examples are filled in automatically. Displayed in your device language: Japanese, Korean, Chinese, Spanish, French, German, Portuguese, or English.

◆ Text-to-Speech
Tap any word or example sentence to hear native pronunciation. Build your listening skills at the same time.

◆ Organize with Decks
Create decks by topic — English vocab, certifications, technical terms — and focus on exactly what you want to study.

◆ Simple to Use
Front side for the question, back for the answer. Flip the card and rate yourself: Again / Hard / Good / Easy. Your rating determines when you'll see the card next.

◆ Track Your Progress
Monitor retention rate, review count, and study streak on your dashboard. See your daily progress at a glance.

◆ Passwordless Login
Sign in securely with just your email and a one-time code. Cards sync automatically across all your devices.

WHO IT'S FOR
• English learners and exam preppers (TOEIC, EIKEN, etc.)
• Students studying for medical, legal, or IT certifications
• Anyone building vocabulary in a foreign language
• Students preparing for school or cram school exams

PRICING
Core features are free to use.

## Kioku Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c8/ce/0f/c8ce0f17-188c-ed7d-f1a2-f72802c309d9/top2.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e4/49/2c/e4492c06-f2eb-7227-1ed7-af99b433ab31/deck2.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/74/b3/35/74b335a3-30dc-015f-2185-041a54285350/learn_front2.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ab/a4/21/aba421ac-3f27-ccf9-cdb9-644b0e14f8c5/learn_back2.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b0/22/b7/b022b717-1a7f-d7fa-b840-632a6f19d2a3/add_card.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/72/0a/f2/720af23e-b951-42a9-1ea2-45dba96b05b0/statistics2.png/1284x2778.png)



## Kioku In-App Purchases
| Item | Price |
|------|-------|
| Spaced Premium | USD 1.99 |



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---

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