Comparison

SumX vs Reflex Test

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

SumX

Features
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SumX: The Daily Math Grid & Brain Training Sharpen your mind with SumX, the addictive daily math puzzle designed for speed and logic. If you love Sudoku, Wordle, or mental math challenges, SumX is your new morning ritual. Find the target number, spot the patterns, and climb the leaderboard. [HOW TO PLAY] The Target: Every grid has a unique target number. Build Your Solution: Tap numbers and operators (+ or ×) to reach the goal. Beat the Clock: You have 3 minutes! How many solutions can you find? Speed Bonus: Earn extra points for finishing early with our time-saver bonus. [WHY SUMX?] Daily Mental Workout: A fresh math grid every day to keep your brain agile. Private Groups: Create a group, share your Group Code, and compete on a private leaderboard with friends and family. Analyze & Learn: Missed a solution? Use "Show Missing" to see overlooked patterns in red. Track Progress: Detailed stats to monitor your arithmetic speed and cognitive growth. [PERFECT FOR] Fans of logic puzzles and number games. Students practicing mental math and multiplication. Adults looking for a quick, 3-minute brain teaser.

About

Reflex Test

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How fast can you spot the circle? Test your reflexes and sharpen your focus in this high-speed brain game. The goal is simple: you’re shown six circles with varying progress lines. Find the one that is most complete and tap it. Do it 10 times as fast as you possibly can. Can you break the 5-second barrier? WHY YOU’LL LOVE IT: - Instant Reflex Test: Perfect for a quick mental warm-up or a competitive break. - 10-Round Sprint: A bite-sized challenge designed for speed. Every millisecond counts. - Track Your Progress: All your best times are saved locally. Compare your current run against your previous results to see your improvement over time. - Play Anywhere: 100% offline. No Wi-Fi required, no data needed. Just pure, uninterrupted play. - Minimalist Design: Clean, distraction-free interface so you can focus entirely on your reaction time. HOW TO PLAY: - Scan the 6 circles on screen. - Identify the circle with the highest completion level. - Tap it to move to the next round. - Complete 10 rounds to clock your total time! Whether you’re looking for a fun way to kill time or a serious tool to improve your hand-eye coordination, this reflex challenge is the perfect addition to your app library. Download now and see how your fastest time compares!

Screenshots

SumX4 screens

Verdict

The call

The clearest difference is device support: SumX at 3 against Reflex Test's —. SumX also leads on iOS requirement (15.1 vs 18.0). On price and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
SumX versus Reflex Test: the parameters behind the verdict, then further details
ParameterSumXReflex Test
PriceFreeFree
Update frequencyEvery 5 days—
AdsYes—
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — better—
Requires iOS15.1 — better18.0
Further details — not scored
Size41 MB3 MB
Age rating4+4+
DeveloperSumX Games LTD.JAMES ALEXANDER PENNY

In-app purchases

None

SumX

No in-app purchases

None

Reflex Test

No in-app purchases

Questions

Is SumX free?
SumX is free to download, with no in-app purchases.
Is Reflex Test free?
Reflex Test is free to download, with no in-app purchases.

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