April Buff vs MathFriends
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
MathFriends
This app offers systematic math learning for elementary students through daily lessons, timed challenges, and video tutorials. It incorporates fun games, avatar customization, and rewards to boost engagement and confidence. Parents can monitor progress in real-time via a connected app.
- Daily systematic learning
- Timed math challenges
- Learning videos
- Math game center
- Avatar customization
- Parental progress tracking
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9 out of 10 people felt an amazing improvement in computation 99.3% of learners experienced improvement in grades within 7 days From pre-elementary school students to 6th grade elementary school students Which is an Elementary Calculation App for systematic learning [Learning Contents] - Today's learning : Specify the amount of learning per day and repeat more than 3 times to master the areas you lack. - 1% challenge : Solve the questions exactly for a limited time, challenge the top 1% and gain confidence of math. - Learning video : You can easily learn difficult concepts through video and understand the basic concept of the lesson. - Learning Game Center : Improve computational skills quickly and accurately through various math games. [Learning Habits Routine] - Today's lesson : You can set the learning routine with today's learning amount to suit my child. - Daily mission : You can complete a set daily mission. Complete the daily mission, earn rewards, and get a sense of accomplishment. - Attendance card : I feel proud of myself for how consistently I have learned by getting a stamp of attendance every day. [Motivation Content] - Decorating avatars : Decorate my own character with the reward jewelry which I got through learning. - collecting titles : You can success challenges and show off your new titles with friends. - Learning Game Center : By solving math problems and enjoying games, kids can realize math is easy to learn. - Complimenting : The learning app and the parent app are connected, so parents can praise and cheer our children. [Learning Management System] - Learning App : AI automatically collects the data which is scores, measures time, checks learning results, and collects note of wrong answers. - Parent App : Check my child's learning status in real time and control various learning functions. - AI Learning Report : Through the report given once a month, you can check the average learning status of our child and the excellent/vulnerable stage at a glance. [Customer Service] - APP : Setting > Customer Service > Question - Customer Center Contact : 1promath@naver.com --privacy policy-- www.1promath.co.kr/pages/ge2.php
Screenshots
Verdict
The clearest difference is in-app purchases: April Buff at none against MathFriends's 17. April Buff also leads on iOS requirement (12.0 vs 15.0). MathFriends's advantage is review sentiment (99% vs 72%). On price, rating, ratings volume and update cadence 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. MathFriends sells 17 one-off in-app purchases. April Buff asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for April Buff against 4.5 for MathFriends. Both are backed by a comparable volume of ratings — 7 and 13 respectively. Written reviews are what separate them: 72% of April Buff's written reviews are positive against 99% of MathFriends's.
April Buff ships an update every 5 weeks, MathFriends monthly. Both last shipped on October 29, 2026.
| Parameter | April Buff | MathFriends |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7 ratings) — better | 4.5 (13 ratings) |
| Positive reviews | 72.4% of reviews | 98.9% of reviews — better |
| Number of ratings | 7 | 13 — better |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 208 MB | 392 MB |
| Age rating | 4+ | 4+ |
| Developer | CREVERSE, Inc. | MathMaster |
Customer experience
April Buff
MathFriends
In-app purchases
April Buff
No in-app purchases
MathFriends
- 일프로연산 1개월+1개월 이용권$24.99
- MathFriends 1 Month Pass$24.99
- MathFriends 6 + 3 Months Pass$59.99
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- MathFriends 6 + 1 Months Pass$59.99
- MathFriends 12 + 6 Months Pass$79.99
- 일프로연산 이벤트 6개월 이용권$89.99
- 일프로연산 이벤트 6개월 이용권 (6개월 + 3개월)$89.99
- MathFriends 6 Month Pass$89.99
- 일프로연산 6개월 이용권(프로모션)$94.99
- 일프로연산 6개월 이용권$99.99
- 일프로연산 6개월 이용권 (프로모션)$99.99
- 일프로연산 1년 이용권$99.99
- 일프로연산 이벤트 1년 이용권 (1년 + 6개월)$119.99
- 일프로연산 이벤트 1년 이용권$119.99
- MathFriends 12 Months Pass$119.99
- 일프로연산 2년 이용권$129.99
- 일프로연산 1년 이용권$149.99








