동그라미 배틀 vs Sum Link
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
동그라미 배틀
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Can you draw a perfect circle freehand? Circle Battle challenges your hand-eye coordination with one simple task — draw the best circle you can. Our precision algorithm instantly scores your attempt from 0 to 100, measuring roundness, closure, and coverage. FEATURES • Smooth drawing canvas with instant accuracy scoring • 9-tier ranking system: Iron → Bronze → Silver → Gold → Platinum → Diamond → Master → Grandmaster → Challenger • Daily, weekly, and monthly leaderboards • Individual and group rankings — compete with friends, classmates, or coworkers • Guest mode — play without signing in • 3 free plays daily + earn extra plays by watching ads HOW IT WORKS Draw a circle with your finger on the canvas. The app analyzes roundness, closure gap, and angle coverage to calculate your accuracy score. Can you hit 95% and reach Challenger? Sign in with Google, Apple, or email to save your scores and climb the global rankings. Or try Guest Mode to play instantly — no account needed. Free to play. Simple to learn. Impossible to master.
Sum Link
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Engage Your Brain in the Ultimate Number Challenge! Welcome to Math Match, where simple addition meets strategic puzzle-solving. Whether you're looking for a relaxing mental escape or a high-speed math blitz, this is the perfect game to sharpen your mind. HOW TO PLAY: Swipe to connect adjacent numbers on the grid. Your goal? Make them add up to the target sum! From the easy "Tiny 5" to the mind-bending "Ultimate 24," every level offers a fresh logic challenge. KEY FEATURES: Dynamic Level Progression: Start simple and unlock larger grids and higher target numbers as you master the logic. 60-Second Blitz Mode: How many matches can you make before the clock runs out? Perfect for a quick brain workout! Stunning Visuals: Enjoy a beautiful, minimalist watercolor aesthetic that makes every session a relaxing experience. Minimalist Math, Max Fun: Enjoy a clean, vibrant aesthetic designed for focus and relaxation. The minimalist grid and playful color accents make every match a visual delight. Satisfying Feedback: Feel the crisp haptic response and smooth animations with every successful link. WHY YOU'LL LOVE MATH MATCH: It’s more than just a math game—it’s a test of pattern recognition and speed. Perfect for students, puzzle lovers, or anyone who wants to keep their brain young and agile. GLOBAL CHALLENGE: Play in your preferred language! Math Match fully supports 8 languages. Join a truly international puzzle community! Download Math Match now and start connecting!
Screenshots
Verdict
The clearest difference is in-app purchases: 동그라미 배틀 at none against Sum Link's 2. 동그라미 배틀 also leads on device support. Sum Link's advantage is iOS requirement (12.0 vs 15.0). On price 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. Sum Link sells 2 one-off in-app purchases. 동그라미 배틀 asks for nothing beyond the download.
동그라미 배틀 ships an update every 3 weeks, Sum Link every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | 동그라미 배틀 | Sum Link |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | — |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | addWisdom | 东晗 于 |
In-app purchases
동그라미 배틀
No in-app purchases
Sum Link
- Infinite Focus$0.99
- Elite Solver Bundle$1.99









