# Date and Time Calculator vs Date Calculator【Sunny】

The clearest difference is ads: Date Calculator【Sunny】 at none against Date and Time Calculator's shown. Date Calculator【Sunny】 also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 81%). Date and Time Calculator's advantage is ratings volume (9.9K vs 2). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Date Calculator【Sunny】 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Date and Time Calculator has 9.9K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 81% of Date and Time Calculator's written reviews are positive against 100% of Date Calculator【Sunny】's.

Date and Time Calculator ships an update every 4 weeks, Date Calculator【Sunny】 every 9 days. The most recent releases landed on November 4, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Date and Time Calculator | Date Calculator【Sunny】 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (9.9K ratings)](https://appshunter.io/ios/app/date-and-time-calculator/id552798167/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/date-calculatorsunny/id608780366/reviews)** |
| Number of ratings | **9.9K** | 2 |
| Positive reviews | 81.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Size | 18 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [山 钟](https://appshunter.io/developer/1289109809) | [Sunny Ng](https://appshunter.io/developer/366939626) |

## What reviewers say

### Date and Time Calculator

[App page](https://appshunter.io/ios/app/date-and-time-calculator/id552798167)

Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.

**Highlights:** Calculate time between any two dates, Second-level precision, Calculate future dates, Calculate past dates, Period time calculation

**In-app purchases:** none

**What reviewers like**

- 💡 Helpful for tracking dates and time
- 👍 Simple and easy to use
- 🚀 Accurate calculations
- 🚀 Useful for various purposes (medication management, work timelines, etc.)

**What reviewers complain about**

- 🐛 Ads are intrusive and difficult to close
- 🐛 Compatibility issues on iPad
- 🐛 Bugs with date/time calculations
- 🐛 Language issues with ads

**Reported bugs**

- Date/time calculations not always accurate
- Inability to close ads
- Compatibility issues on certain devices

**Requested features**

- Option to calculate business days
- Ability to save frequently used dates
- 24-hour time format
- Improved user interface


### Date Calculator【Sunny】

[App page](https://appshunter.io/ios/app/date-calculatorsunny/id608780366)

Calculate the duration between two dates or determine a future date by adding a specified duration. This utility app supports iOS 15 and includes a simple calculator function. It offers precise calculations with decimal places and handles years, months, weeks, and days.

**Highlights:** Calculate duration between two dates, Determine future date by adding duration, Supports years, months, weeks, and days, Shows decimal places, Includes a simple calculator, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Date and Time Calculator free?

Date and Time Calculator is free to download, with no in-app purchases.

### Is Date Calculator【Sunny】 free?

Date Calculator【Sunny】 is free to download, with no in-app purchases.

### Which has better reviews, Date and Time Calculator or Date Calculator【Sunny】?

Date Calculator【Sunny】 is rated higher. Date and Time Calculator averages 4.7 out of 5 from 9.9K ratings, while Date Calculator【Sunny】 averages 5.0 from 2 ratings.

### Do Date and Time Calculator or Date Calculator【Sunny】 have ads?

Date and Time Calculator shows ads; Date Calculator【Sunny】 does not.

### Which is updated more often, Date and Time Calculator or Date Calculator【Sunny】?

Date and Time Calculator ships an update every 4 weeks, and Date Calculator【Sunny】 every 9 days. Most recently, Date and Time Calculator was updated on November 4, 2026 and Date Calculator【Sunny】 on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*