Comparison

Elapsed Timer vs One Timer

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

Head to head
About

Elapsed Timer

Track multiple durations simultaneously with this intuitive utility. Perfect for managing tasks like baby feeding intervals, study sessions, or cooking times. The free version supports two timers, with a premium option for more.

Highlights
  • Track multiple elapsed times
  • Set custom names and colors for tasks
  • Start, stop, and edit timer measurements
  • Free version supports two timers
  • Premium version for unlimited timers
  • Ad-free experience with premium
Features
Read full description

This app is a timer that can measure multiple elapsed times. As an example of use, when you are feeding your baby breast milk and infant formula, you can quickly check how long it has been since the last feeding. You can also measure various things at the same time, such as sleeping time and the interval between taking painkillers after childbirth. As another example, it can be used to manage study time for each subject, such as math or physics, or multiple cooking times during cooking. To use the app, tap the "Add new task" button, set the name and color, and you're ready to go. Tap the play button to start measurement. It is a simple structure that the measurement is completed when the stop button is pressed. Double-tap a task to edit its name, color, start time, and more. In addition, the free version can measure two elapsed times at the same time. If you want to set 3 or more items to measure, or if you want to hide advertisements, please consider purchasing the premium version in the app. ---------------------- Terms of Service and Privacy Policy: https://akikibai-labolatory.jimdofree.com/privacy-policy/

About

One Timer

Easily manage multiple timers simultaneously for everyday tasks like cooking or interval training. Quickly start timers with a single tap and customize their appearance with a wide range of colors. The app offers a premium plan for an ad-free experience and unlimited custom timers.

Highlights
  • Simultaneous multi-timer functionality
  • One-tap timer launch
  • Customizable color settings (RGB)
  • Background notifications
  • HIIT and Pomodoro timer support
  • Stopwatch for work hours
Features
Read full description

One Timer is a simple timer created by a developer who really wanted it. You want to time your family's instant noodles for 3 minutes and 5 minutes at the same time, but you can't do it quickly. You want to boil eggs for 8 and a half minutes while measuring pasta for 6 minutes, but you can't do it. You want to open the app and start it immediately with one tap. We've solved those everyday problems for you and me. --- This tool is useful in scenarios like below --- - As a timer for HIIT (High-Intensity Interval Training) - As a Pomodoro timer for study sessions - As a stopwatch to calculate working hours for freelance or contract work - For managing stamina in multiple social-network game apps --- Customizable Color Settings --- You can set the background and text colors using RGB values, allowing for free changes to any color. This feature enables you to boost motivation by changing to your favorite colors. --- How to use --- - Tap the desired time from the list on the left to start the timer. - You can quickly add another timer without switching screens by long-pressing the list. - For example, you can start multiple timers simultaneously by long-pressing 3 minutes and 5 minutes. - Notification when it goes into the background. --- PREMIUM Plan --- - No Ads - Unlimited Custom Timers --- Links --- https://40yd.app/one_timer_terms https://40yd.app/one_timer_policy

Screenshots

Elapsed Timer3 screens
One Timer3 screens

Verdict

The call

The clearest difference is review sentiment: One Timer at 100% against Elapsed Timer's 50%. One Timer also leads on rating (5.0 vs 4.3) and ads (none vs shown). Elapsed Timer's advantage is ratings volume (6 vs 1) and device support (3 vs 1). On price, in-app purchases and monetization model 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. Elapsed Timer sells 1 one-off in-app purchase and One Timer sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

One Timer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Elapsed Timer has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Elapsed Timer's written reviews are positive against 100% of One Timer's.

UpkeepUpdate frequency

Elapsed Timer ships an update every 2 months, One Timer every 4 days. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

Scorecard7 real differences · 3 level
Elapsed Timer versus One Timer: the parameters behind the verdict, then further details
ParameterElapsed TimerOne Timer
PriceFreeFree
Rating4.3 (6 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings6 — better1
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.6
Further details — not scored
Size6 MB42 MB
Age rating4+4+
DeveloperKei SuefujiDAIKI YUASA

Customer experience

Elapsed Timer

All ratings6 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

One Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Elapsed Timer

One-time1
  • PREMIUM$4.99
4 purchases

One Timer

Subscriptions1
  • PREMIUM$1.991 Month
One-time3
  • Buy me a coffee$1.99
  • Buy me a burger$3.99
  • PREMIUM$9.99

Questions

Is Elapsed Timer free?
Elapsed Timer is free to download, with in-app purchases available.
Is One Timer free?
One Timer is free to download, with in-app purchases available.
Which has better reviews, Elapsed Timer or One Timer?
One Timer is rated higher. Elapsed Timer averages 4.3 out of 5 from 6 ratings, while One Timer averages 5.0 from 1 ratings.
Do Elapsed Timer or One Timer have ads?
Elapsed Timer shows ads; One Timer does not.
Which is updated more often, Elapsed Timer or One Timer?
Elapsed Timer ships an update every 2 months, and One Timer every 4 days. Most recently, Elapsed Timer was updated on September 21, 2026 and One Timer on September 17, 2026.

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