OneTap - Calculator & Alarm
Cuong Lam Utilities iPhoneiPadiPod touch
OneTap - Calculator & Alarm is a free Utilities app for iPhone and iPad by Cuong Lam. Rated 5.0/5 from 2 ratings. Requires iOS 13.0.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 69 MB
- Age 4+
- Updated
- Sep 23
- 2025 · v2.2.1
Screenshots
About OneTap - Calculator & Alarm
Are you tired of juggling multiple calculators for different tasks? Not able to wake up to your morning alarm? This is a comprehensive all in one calculator app and alarm clock that can handle a wide range of calculations, from basic arithmetic to complex scientific functions. It is also a great tool for financial calculator, converting units, calculating tips, and solving math problems. It also offers a powerful feature for setting your morning alarm, solving quiz alarm to make sure you wake up on time, suitable for heavy sleepers. With this app, you can manage your daily calculation, calculate tips, solve math problems, and wake up refreshed and on time. - Basic calculator: Add, subtract, multiply, and divide numbers with ease. Support Scientific calculator, performing advanced calculations using trigonometric functions, logarithms, and more. - Simple alarm clock: Set your alarm with ease and solve math alarm quiz to wake up on time. Use the snooze function to catch a few extra minutes of sleep when needed. - Income tax calculator: calculate income tax india helping you with income tax e-filing with ease made specific for India income tax. Ensure you have the best tax saving. - Tip calculator: Calculate the tip and total bill for your restaurant meals, split bill with friends. - Currency converter: Convert between hundreds of different currencies with real-time exchange rates. - Loan calculator: Calculate your monthly payments for loans of all types. Unit converter: Convert between different units of measurement, such as length, weight, volume, and temperature. Plus, this app features alarmy functionality, so you can track your wake-up time, even if your phone is off. Whether you’re calculating or setting up your wake time, this app is the ideal companion for managing your time. Disclaimer: - The calculator aims at hiving an indication about what would the estimated tax be under new regime and old regime resp. and which regime is better for the individual with given details - split bill with friends: ultimate bill splitter, simply add all expenses and split bill with a tap of a button. No worries about complex split bill functions, we will handle all the work. - Money manager: better manage your expenses, provide wise budget option and recording payment - Not all Income tax provision are considered in the calculator to make it crisp and less complicated - Tax actually calculated while filing the return of income would differ from the one used in calculator because all the provisions of the act are not covered in the calculator - The calculator does not indicate an advise of any manner. User is advised to consult his/her tax advisor for legal filing and tax calculation purpose - The calculator does not indicate an advise of any manner. User is advised to consult his/her tax advisor for legal filing and tax calculation purpose - This app, 'Onetap - calculator & alarm', does not represent any Government entity and has no affiliation with any Government or Income Tax Department. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/quoccuong042009/OneTap-Simple-Calculator/blob/main/privacy-policy.md
What’s new
Version 2.2.1 · Updated September 23, 2025
- fix bugs.
App privacy
The developer, Cuong Lam, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
Used for: Product Personalization, App Functionality
Alternatives to OneTap - Calculator & Alarm
Looking for apps like OneTap - Calculator & Alarm? Here are 6 similar apps on the App Store. The highest rated is RiseNow: Wake Up Alarm (5.0/5), and all 6 are free to download.
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Just A Calc
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A For Alarm
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Recovery Alarm
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RiseNow: Wake Up Alarm
5.0
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WakeVoice: Voice Alarm
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Grand Chute PD
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| OneTap - Calculator & Alarm | 5.0 / 5 (2 ratings) | Free | September 23, 2025 | |
| Just A Calc | – | Free | Oct 24, 2023 | Compare |
| A For Alarm | – | Free | Jul 3, 2025 | Compare |
| Recovery Alarm | – | Free | Nov 15, 2024 | Compare |
| RiseNow: Wake Up Alarm | 5.0 / 5 (1) | Free | Jul 18, 2026 | Compare |
| WakeVoice: Voice Alarm | – | Free | Jun 19, 2026 | Compare |
| Grand Chute PD | – | Free | Nov 8, 2024 | Compare |