Comparison

Tempo study timer 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

Tempo study timer

Features
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Turn Your Studies into a Playlist No rankings, no comparisons. Curate today's study routine just like picking a song, and quietly get started. Study Playlist Create a playlist of your subjects and tasks, just like a music app. Enjoy the fun of personally handpicking and curating your sessions for the day. My Study Log Daily, weekly, and monthly statistics. Track your progress at a glance.

About

OneTime

Features
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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

Tempo study timer4 screens
OneTime4 screens

Verdict

The call

The clearest difference is in-app purchases: Tempo study timer at none against OneTime's 4. Tempo study timer also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.0). On price, 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

Both are free to download. OneTime sells 4 in-app purchases, starting at $0.99 per month. Tempo study timer asks for nothing beyond the download.

UpkeepUpdate frequency

Tempo study timer ships an update fortnightly, OneTime weekly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard3 real differences ยท 3 level
Tempo study timer versus OneTime: the parameters behind the verdict, then further details
ParameterTempo study timerOneTime
PriceFreeFree
Update frequencyFortnightlyWeekly โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS14.0 โ€” better18.0
Further details โ€” not scored
Size81 MB65 MB
Age rating4+4+
DeveloperDaihun KimUNCHAN BAEK

In-app purchases

None

Tempo study timer

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 Tempo study timer free?
Tempo study timer is free to download, with no in-app purchases.
Is OneTime free?
OneTime is free to download, with in-app purchases available.
Do Tempo study timer or OneTime have ads?
OneTime shows ads; Tempo study timer does not.
Which is updated more often, Tempo study timer or OneTime?
Tempo study timer ships an update fortnightly, and OneTime weekly. Most recently, Tempo study timer was updated on October 4, 2026 and OneTime on October 1, 2026.

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