# On-Time Calculator — Never be late again

> Calculates ideal alarm times based on morning routine and commute. (iPhone/iPad app by Yuen Jing Liu.)

- Source: https://appshunter.io/ios/app/on-time-calculator/id6764490984 (this page in markdown: same URL + `.md`)
- Developer: [Yuen Jing Liu](https://appshunter.io/developer/1895804293)
- Category: Productivity, Lifestyle
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 33 MB
- Languages: American English
- Released: 2026-05-13
- Data updated: 2026-10-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/on-time-calculator/id6764490984/reviews.md

## What is On?

Never be late again! On Time Calculator helps you figure out exactly when to set your alarm based on your morning routine.

Simply enter:
- How long it takes you to get ready
- Your commute time
- Extra buffer time for unexpected delays
- Your appointment or event time

The app instantly calculates the perfect alarm time for you!

Perfect for:
- Morning commuters
- People with important meetings
- Anyone who struggles with punctuality
- Students and professionals

Features:
- Simple, intuitive interface
- Easy 12-hour time selection
- Quick alarm time calculation
- Copy time to clipboard
- Beautiful starry night design

Stop doing the math in your head - let On Time Calculator help you start your day on time, every time!

## Key features

- Calculate alarm time
- Input routine duration
- Input commute time
- Add buffer time
- Intuitive interface
- Copy time to clipboard

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/on-time-calculator/id6764490984/reviews.md

### 5/5 — Incredibly useful and so cute

*2026-05-14*

This calculator has made my life so much easier and helps my ADHD brain get places on time!! You can even add buffer time, which ya girl needs. Plus the little bunny logo is so stinking cute!!

## Frequently asked questions about On

### How does On-Time Calculator work?

On-Time Calculator helps you determine the perfect alarm time by allowing you to input how long it takes you to get ready, your commute duration, any extra buffer time, and your appointment or event time. It then instantly calculates the ideal alarm.

### What devices is On-Time Calculator available on?

On-Time Calculator is available on iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users.

### Is On-Time Calculator free to use?

Yes, On-Time Calculator is completely free to download and use. There are no in-app purchases or advertisements.

### How often is On-Time Calculator updated?

The app was last updated on May 14, 2026, with version 1.0. While specific update frequency isn't detailed, this indicates recent development.

### What is the age rating for On-Time Calculator?

On-Time Calculator has an age rating of 4+, making it suitable for a broad audience of users.

### Can I copy the calculated alarm time from On-Time Calculator?

Yes, a convenient feature of On-Time Calculator is the ability to copy the calculated alarm time directly to your clipboard for easy use.

### What do users think of On-Time Calculator?

Based on the available data, On-Time Calculator has a perfect 5.0-star rating from 2 reviews, suggesting a very positive user sentiment.

### Does On-Time Calculator have ads?

No, On-Time Calculator does not contain advertisements. It is a completely ad-free experience for users.

## Version history (last 1 release)

### 1.0 — 2026-05-14

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-05.*