Comparison

Study Timer Display vs OneTime

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

Head to head
About

Study Timer Display

Transform your device into a minimalist, distraction-free desk clock. Ideal for students and productivity environments, it helps maintain focus during study sessions and homework.

Highlights
  • Minimalist desk clock design
  • Distraction-free environment
  • Ideal for study sessions
  • Suitable for homework time
  • Useful for library use
  • Enhances productivity
Features
Read full description

Stay Focused & Study Better Turn your phone or tablet into a minimal, distraction-free desk clock designed for students. Perfect for study sessions, homework time, library use, and productivity environments.

About

OneTime

Features
Read full description

OneTime is a time-tracking stopwatch for recording time and organizing your day. Start with one tap, and your records flow into a timeline, calendar, and stats. You can track study, work, exercise, reading, and daily activities. See how much you did each day and review weekly and monthly patterns. What you can do with OneTime โ€ข Timeline See your activities in chronological order throughout the day. โ€ข Calendar Review your records by date and check any day you want. โ€ข Stats See how you spend your time with weekly and monthly patterns. โ€ข Time tracking Use a stopwatch that tracks one activity at a time. โ€ข Manual entries and edits Add missed time later, edit existing records, and leave notes. โ€ข Automatic tracking by app Track time automatically based on selected apps. โ€ข Routines and checklists Organize recurring items and manage date-based checklists. You can add items, reorder them, and carry unfinished items over to the next day. Missed a record? No problem. You can add or edit it later. OneTime is built not just for measuring time, but for reviewing and organizing your records. If you want time tracking, timeline, calendar, and stats in one app, OneTime fits. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Study Timer Display4 screens
OneTime4 screens

Verdict

The call

The clearest difference is price: OneTime at Free against Study Timer Display's $1.99. Study Timer Display's advantage is in-app purchases (none vs 4) and ads (none vs shown). On update cadence and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

OneTime is free to download; Study Timer Display costs $1.99 up front. OneTime sells 4 in-app purchases, starting at $0.99 per month. Study Timer Display asks for nothing beyond the download.

UpkeepUpdate frequency

Study Timer Display ships an update every 4 days, OneTime weekly. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

Scorecard4 real differences ยท 4 level
Study Timer Display versus OneTime: the parameters behind the verdict, then further details
ParameterStudy Timer DisplayOneTime
Price$1.99Free โ€” better
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 4 days โ€” betterWeekly
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
MonetizationPaidโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better18.0
Further details โ€” not scored
Size19 MB65 MB
Age rating4+4+
DeveloperJAEMIN LEEUNCHAN BAEK

In-app purchases

None

Study Timer Display

No in-app purchases

4 purchases

OneTime

Subscriptions2
  • Launch Monthly$0.991 Month
  • Monthly7 Days trial$1.991 Month
One-time2
  • Token Bundle$0.99
  • Lifetime$11.99

Questions

Is Study Timer Display free?
Study Timer Display costs $1.99, with no in-app purchases.
Is OneTime free?
OneTime is free to download, with in-app purchases available.
Do Study Timer Display or OneTime have ads?
OneTime shows ads; Study Timer Display does not.
Which is updated more often, Study Timer Display or OneTime?
Study Timer Display ships an update every 4 days, and OneTime weekly. Most recently, Study Timer Display was updated on September 21, 2026 and OneTime on October 1, 2026.

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