Comparison

One vs Musica Timer

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

Head to head
About

One

A straightforward countdown timer for iPhone designed for ease of use. Its intuitive interface allows you to start and manage timers with a single tap, making it a convenient tool for daily tasks. The app focuses on essential functionality without unnecessary complexity.

Highlights
  • One-tap timer start and toggle
  • Vivid and intuitive user interface
  • Ergonomic design and functionality
  • Convenient for everyday use
Features
Read full description

One-Tap Timer (tm) is a simple yet very convenient countdown timer app for your iPhone. It features a vivid and intuitive user interface with not more than just sufficient functionality. * Start and toggle your timer with just one tap. * Take advantage of our ergonomic design and functionality. * Use One-Tap Timer in your everyday life. Tip for Mac users: keep app icon in Dock.

About

Musica Timer

This app offers advanced timer functionalities beyond standard options. Customize timers with custom music, set specific durations down to the second, and control audio output to earphones only. It supports multiple simultaneous timers and vibration-only alerts.

Highlights
  • Second-scale timer precision
  • Custom music integration
  • Earphone-only audio output
  • Numeric keypad input
  • Multiple simultaneous timers
  • Vibration-only alerts
  • Fade-in/out effects
Features
Read full description

“Default timer App is not enough of the feature for me …” Have you ever thought such a thing? “I would like ...“ - to set a timer on the second time scale! - to use just my own musics for a timer! - to listen the sound of timer only from earphone! - to set the time with a numeric keypad! - to set the timer on the time of end! - to use more than one timer at the same time! - to use a timer only with vibration, without sounds! “Musica Timer” will answer such a request. If you have been dissatisfied with the default timer App, please try this App! #. Strong Point - You can set a timer at either term or time of end on the second time scale. - You can use as a off-timer (sleep timer). - This App shows both of time of start and estimated time of end during a timer running. - You can set more than one timer, and run more than one timer at the same time (You cannot add more than three timers without Add-on). - You can set a time with a numeric keypad. - You can use your own musics for a timer (therefore, this App has no sound contents). - You can make a music list as you like, and set a playing mode on a timer to repeat and shuffle. - You can also make no musics list on a timer, which output no sounds. - You can set a vibration on a timer regardless of the setting of sounds (iPad has no vibration feature). - You can set max 60 seconds fade-in for playing musics on a on-timer. On a off-timer, you can set fade-out to the end of timer as you like. - You can set max sound volume for each of timer. - The App can show also Greenwich Time. - You can select theme color among 7 colors (add-on is required). - You can access this App from “Today” widget. - You can organize this App with URL scheme (jp.37.MusicaTimer://) in other Apps such as lunchers. Audio output mode of this App is almost same as default Music App, as mentioned below. - Output volume is always depend on the volume setting of the device. If the App outputs no sounds, please check to see if the volume setting of device is “Mute”. - Even if the App runs at background, the App outputs sounds. - When the App is terminated completely, the App stops the sounds. - Even if the device is at the silent mode, the App outputs sounds. - When you use an earphone, the App outputs sounds only from earphone. - When you plug an earphone, the App changes the audio output to the earphone from the speaker, but the sounds is continued. - When you unplug the earphone, the App stops the sounds. #. Notice - This App has no sound contents, please prepare by yourself. - This App can work at the background, but when you terminate this App completely, no sound comes out at the end of each timer except for text notification. - Sound output of this App is interrupted and terminated by the sounds of the other Apps and the telephone bell (the timers do not stop). - Sound outputs of the other Apps, such as default Music App, are interrupted by sounds of this App. On the other hand, the sounds of the telephone and the default Alarm App are not interrupted by this App. #. Disclaimer - Please check carefully End User License Agreement (EULA) before using the App. - Additionally, you may not use this App unless you agree to terms included below. - You agree to assume full and sole responsibility for any use of this App. - We are not responsible for any damages or injury, including but not limited to special or consequential damages, that result from your use of (or inability to use) this App, including any damages or injury caused by any failure of performance, error, omission, interruption, defect, delay in operation, computer virus, or other computer malfunction.

Screenshots

One3 screens
Musica Timer4 screens

Verdict

The call

The clearest difference is rating: One at 5.0 against Musica Timer's 2.0. One also leads on in-app purchases (none vs 3) and review sentiment (100% vs 80%). Musica Timer's advantage is update cadence (monthly vs every 23 months) and device support (4 vs 2). On price, ratings volume and ads 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. Musica Timer sells 3 one-off in-app purchases. One asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

One holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 100% of One's written reviews are positive against 80% of Musica Timer's.

UpkeepUpdate frequency

One ships an update every 23 months, Musica Timer monthly. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

Scorecard7 real differences · 3 level
One versus Musica Timer: the parameters behind the verdict, then further details
ParameterOneMusica Timer
PriceFreeFree
Rating5.0 (4 ratings) — better2.0 (5 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings45 — better
Update frequencyEvery 23 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS12.08.2 — better
Further details — not scored
Size1 MB40 MB
Age rating4+4+
DeveloperOleksandr ProsinHiroyuki KATOH

Customer experience

One

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Musica Timer

All ratings5 ratings
Positive20.0%
Neutral20.0%
Negative60.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

None

One

No in-app purchases

3 purchases

Musica Timer

One-time3
  • Remove Ads$1.99
  • Remove Limit$1.99
  • Select Theme Color$1.99

Questions

Is One free?
One is free to download, with no in-app purchases.
Is Musica Timer free?
Musica Timer is free to download, with in-app purchases available.
Which has better reviews, One or Musica Timer?
One is rated higher. One averages 5.0 out of 5 from 4 ratings, while Musica Timer averages 2.0 from 5 ratings.
Do One or Musica Timer have ads?
Neither One nor Musica Timer shows ads.
Which is updated more often, One or Musica Timer?
One ships an update every 23 months, and Musica Timer monthly. Most recently, One was updated on September 10, 2026 and Musica Timer on September 8, 2026.

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