Comparison

studien(스터디언) vs Deep Time for deep work

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

Head to head
About

studien(스터디언)

This app uses a gamified approach to boost focus and productivity. Track your study sessions with a Pomodoro timer or stopwatch and discover unique planets based on your concentration time. Collect these discoveries in your personal catalog.

Highlights
  • Pomodoro timer with customizable intervals
  • Stopwatch for flexible time tracking
  • Gamified planet discovery based on focus time
  • Personalized planet catalog
  • Daily goal tracking and progress visualization
Features
Read full description

Studien은 외계인 모리와 함께 집중한 시간만큼 행성을 탐사하는 앱입니다. 내가 책상에 앉아 있는 동안, 외계인 모리는 망원경 앞에서 새로운 신호를 기다립니다. 탐사가 끝나면 세상에 없던 행성이 하나 발견되고, 나만의 도감에 기록됩니다. ■ 두 가지 방법으로 탐사합니다 1. 뽀모도로 타이머 25분, 50분, 1시간 30분, 2시간 중 원하는 시간을 선택해 집중합니다. 선택한 시간이 곧 행성의 등급이 되며, 끝까지 집중할수록 더 희귀한 행성을 발견할 수 있습니다. 2. 스톱워치 시간을 정하지 않고 0초부터 자유롭게 기록합니다. 얼마나 집중할지 정하기 어려운 날에 사용하기 좋으며, 25분 이상 집중하면 행성을 발견할 수 있습니다. 어떤 방법을 선택하든 탐사가 끝나면 망원경에 새로운 신호가 도착하고, 행성이 천천히 모습을 드러냅니다. ■ 도감 행성은 별 1개부터 별 4개까지 다양한 등급으로 구성되어 있습니다. 현재 10종의 행성이 준비되어 있으며 앞으로도 계속 추가될 예정입니다. ■ 오늘의 목표 기록 오늘의 목표와 진행률, 시간대별 집중 기록을 확인할 수 있습니다.

About

Deep Time for deep work

Features
Read full description

Deep Time isn't about locking your phone or obsessing over minutes. It's about one thing: going deep on what actually matters. Set a single mission. Deep Time imprints it on your lock screen, so every time you reach for your phone, you're reminded of what you sat down to do. Not a wall that blocks you — a nudge that pulls you back. HOW IT WORKS • Set your mission — what do you want to go deep on right now? • See it on the lock screen — your mission and timer stay in front of you, even while the screen is on. • Go deep — a calm focus screen keeps you in the moment. • Look back — every session becomes a record of what you focused on, not just how long you resisted. BUILT AROUND ONE HABIT The goal isn't a perfect streak of blocked apps. It's the experience of deep focus, once a day — and the habit that grows from it. Deep Time shows your weekly rhythm and your focus streak, so a single deep session compounds into a practice. WHY DEEP TIME • Imprint, not restriction — your mission lives on the lock screen instead of a block screen. • What you focused on > how long you resisted — sessions are remembered by their content. • A timeline of real work — see every deep session, its depth, and how it went. • Reflect, don't just count — weekly trends and streaks that reward showing up. • Quiet, warm design — soft dark, distraction-free, made for staying in the moment. Start today. One deep session a day is enough to begin. Deep Time — design your healthy focus. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gtechlab.notion.site/deep-time-privacy-policy Deep Time Pro is an auto-renewable subscription. Payment is charged to your iTunes account and renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple Account.

Screenshots

studien(스터디언)4 screens
Deep Time for deep work4 screens

Verdict

The call

The clearest difference is in-app purchases: studien(스터디언) at none against Deep Time for deep work's 1. Deep Time for deep work's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads 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. Deep Time for deep work sells 1 one-off in-app purchase. studien(스터디언) asks for nothing beyond the download.

UpkeepUpdate frequency

studien(스터디언) ships an update every 2 days, Deep Time for deep work every 4 days. Both last shipped on October 31, 2026.

Scorecard2 real differences · 6 level
studien(스터디언) versus Deep Time for deep work: the parameters behind the verdict, then further details
Parameterstudien(스터디언)Deep Time for deep work
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 days — betterEvery 4 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size25 MB125 MB
Age rating4+4+
DeveloperRho changjunJongok Lee

In-app purchases

None

studien(스터디언)

No in-app purchases

1 purchases

Deep Time for deep work

One-time1
  • Deep Time Pro$3.99

Questions

Is studien(스터디언) free?
studien(스터디언) is free to download, with no in-app purchases.
Is Deep Time for deep work free?
Deep Time for deep work is free to download, with in-app purchases available.
Do studien(스터디언) or Deep Time for deep work have ads?
Neither studien(스터디언) nor Deep Time for deep work shows ads.
Which is updated more often, studien(스터디언) or Deep Time for deep work?
studien(스터디언) ships an update every 2 days, and Deep Time for deep work every 4 days. Most recently, studien(스터디언) was updated on October 31, 2026 and Deep Time for deep work on October 31, 2026.

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