April Buff vs i
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
April Buff
This app uses augmented reality to make learning English vocabulary fun for elementary students. It offers interactive games, quizzes, and progress tracking linked to a specific curriculum. Users can collect word cards and compete nationally.
- AR-based vocabulary study
- Interactive games and quizzes
- Collect word and chunk cards
- National ranking system
- Scan textbook to start games
- Linked to Learning Portal
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※ April Buff is an AR-based vocabulary study and quiz APP for elementary school students using April English curriculum. - Use augmented reality(AR) technology to study vocabulary and take quizzes through fun games - Prepare for April English weekly and monthly tests by solving questions and studying key words again - Collect words and chunks cards from playing games and study them again from the Card Box - Check your national ranking after completing each game - You must have April Gallery Book to use the April Buff app. ※ Game Variation by Level 1. Slime Time (Rookie/Seedbed/Seed) : Make your own slime by mixing the ingredients! 2. Dungeon Escape (Sprout) : Complete the mission and escape the underground dungeon! 3. Drone High (Sapling/Junior Master) : Charge the drone and fly it high up! ※ Main features of April Buff - Start the game by scanning the textbook. - Play vocab word games using the AR camera. - Collect words and chunks from playing the games. - Check your national ranking for each level - Linked to the Learning Portal - Change language setting ▶ Access Request Guide All access requests are collected for app usage. [Mandatory Access Request] -Device and App History: Access for App version check -Storage: File and media -Camera: Access for augmented reality effects
i
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1 . 간편하게 등록하는 아이의 방과 후 설정 학교에서 등록된 학부모님의 기본정보를 바탕으로 앱 설치 시 아이의 방과 후 강좌 설정을 간편하게 하실 수 있습니다. 강좌 설정 후 간편하게 해당 강좌를 취소하실 수도 있습니다. 2. 귀가 방법 선택 대면귀가, 자율귀가를 선택할 수 있어서 방과 후 아이의 이동경로를 확인 하실 수 있습니다. 3. 다자녀인 경우에도 하나의 앱으로 아이 별 설정이 가능합니다. 4. 학부모님이 수강중인 아이의 담당 선생님과의 일대일 메세지를 통해서 원활한 소통을 하실 수 있습니다. 앞으로도 다양한 콘텐츠 정보를 업데이트 함으로서 학부모님에게 더욱 더 알찬 방과 후 정보를 제공하겠습니다.
Screenshots
Verdict
The clearest difference is update cadence: i at weekly against April Buff's every 5 weeks. April Buff's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
April Buff ships an update every 5 weeks, i weekly. The most recent releases landed on August 13, 2026 and September 14, 2026 respectively.
| Parameter | April Buff | i |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7 ratings) — better | — |
| Positive reviews | 72.4% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 208 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | CREVERSE, Inc. | TaeHoon Ko |
In-app purchases
April Buff
No in-app purchases
i
No in-app purchases
