Comparison

원서한권 vs RoboTrail Coding Brain Trainer

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

Head to head
About

원서한권

Features
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원하는 영어 원서를 목록에서 선택 해서 읽어 보세요. 적절한 양의 영어 원문이 나오고 모르는 단어는 터치해서 쉽게 영어사전을 찾아볼수 있습니다. 단어를 찾아봐도 문맥이 이해하기 어려울때는 번역 기능을 사용해보세요. AI가 문맥에 맞는 한글 번역을 보여줍니다. 그리고 커스텀북 생성 기능을 이용하시면 어떤 텍스트라도 쉽게 사전을 찾고 음성듣기(TTS)가 가능합니다. * 아이콘 출처: Flaticon.com [원서한권 프리미엄 구독안내] - 프리미엄 1달구독 - 프리미엄 1년구독 구입 확정 시 또는 무료 기간 사용 종료 시 사용하는 iTunes Apple 계정으로 요금이 청구됩니다. 구독 기간 종료 24시간 전에 자동 갱신을 해지하지 않으면 구독은 자동 갱신되며 요금이 청구됩니다. 설정 > App Store > Apple ID 선택 > Apple ID 보기 > 구독'에서 구독을 관리하고 자동 갱신을 해지할 수 있습니다. * standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

RoboTrail Coding Brain Trainer

Features
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"AI gives answers, but you have to build your own thinking." In the age of AI, the key skill is not writing code well, but breaking problems down well. RoboTrail uses code-free command puzzles to measure and train the thinking muscles behind abstraction, decomposition, simulation, and working memory. All content is free, supported by ads. Campaign Mode - 108 stages across 10 levels Move your robot to the star across 108 stages. Start with arrow (up) commands, then learn function calls (F1, F2, F3), nested abstraction, color conditions, and efficiency compression, step by step. - Levels 1 to 3: command basics, spatial simulation, and spotting repeating patterns to group into functions - Levels 4 to 6: code reuse with F1, nested decomposition where F2 calls F1, then full synthesis - Levels 7 to 10: color conditions, large grids over 6x6, tight slot caps that force compression, and a master ceiling Each stage is graded up to three stars: fewest commands for three stars, efficient for two, a clear for one. Challenge Mode - 36 questions across 3 areas Measure your coding thinking objectively. Each area is timed, taken one at a time. Every attempt records your score, grade, and solving pattern. - Simulation (8 questions): track rotation and movement in your head - Pattern thinking (14 questions): find cycles and generalize reusable groups into F1 and F2 - Abstraction (14 questions): nested functions and layered decomposition across F1, F2, F3 Each area analyzes accuracy, solving time, deliberation before the first move, and trial-and-error count. Six master-ceiling questions per area carry 2.5x weight to distinguish the top 1 percent. Challenge Modes - same stage, new constraints Replay any three-star puzzle in three modes: - Speed: clear within 30 seconds - Tight slots: slot cap cut by half, forcing function use - Perfect: solve with exactly the minimum commands Collect up to three medals per stage. Daily Challenge One curated puzzle every day, with a live count of how many cleared it. Build your thinking one problem at a time. What you get - An overall thinking score from 0 to 100 with a 5-level grade - Strength and weakness charts by area - A growth-trend graph by attempt, so progress is objectively visible - Solving-pattern analysis: careful, trial-and-error, or balanced type - Campaign stages recommended for your weak areas - Star distribution, total play time, and fastest clear records Who it is for - Elementary, middle, and high school students interested in coding - Parents who want an honest measure of a child's logic and abstraction - Professionals warming up before an algorithm interview - Anyone wanting an objective look at their own thinking patterns - A pre-assessment tool for gifted programs and coding academies Honest measurement Instead of exaggerated phrases like aptitude test or brain IQ, we use honest wording such as thinking measurement and grade calculation. We do not claim percentiles until enough data accumulates. Use your own growth trend as the benchmark. Ads and Sync Ads run as banners and occasional interstitials, with frequency capping to protect the learning flow, and non-personalized ads by default. Progress backs up through Apple GameCenter and restores with your Apple ID, with no sign-up required. Recommended age: 12 and up

Screenshots

원서한권3 screens
RoboTrail Coding Brain Trainer4 screens

Verdict

The call

The clearest difference is update cadence: RoboTrail Coding Brain Trainer at every 5 days against 원서한권's every 3 weeks. 원서한권's advantage is iOS requirement (13.0 vs 15.1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 원서한권 sells 2 in-app purchases, starting at $1.99 per month and RoboTrail Coding Brain Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

원서한권 ships an update every 3 weeks, RoboTrail Coding Brain Trainer every 5 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 7 level
원서한권 versus RoboTrail Coding Brain Trainer: the parameters behind the verdict, then further details
Parameter원서한권RoboTrail Coding Brain Trainer
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size64 MB40 MB
Age rating4+4+
DeveloperExceedVentures Inc.woosik choi

In-app purchases

2 purchases

원서한권

Subscriptions2
  • 광고 제거 1달 구독$1.991 Month
  • 광고 제거 1년 구독$9.991 Year
1 purchases

RoboTrail Coding Brain Trainer

One-time1
  • 광고 제거$1.99

Questions

Is 원서한권 free?
원서한권 is free to download, with in-app purchases available.
Is RoboTrail Coding Brain Trainer free?
RoboTrail Coding Brain Trainer is free to download, with in-app purchases available.
Do 원서한권 or RoboTrail Coding Brain Trainer have ads?
Both 원서한권 and RoboTrail Coding Brain Trainer show ads.
Which is updated more often, 원서한권 or RoboTrail Coding Brain Trainer?
원서한권 ships an update every 3 weeks, and RoboTrail Coding Brain Trainer every 5 days. Most recently, 원서한권 was updated on October 8, 2026 and RoboTrail Coding Brain Trainer on October 10, 2026.

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