# WhenDo vs Date Time Calculator

The clearest difference is in-app purchases: WhenDo at none against Date Time Calculator's 3. WhenDo also leads on iOS requirement (9.0 vs 17.6). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Date Time Calculator sells 3 one-off in-app purchases. WhenDo asks for nothing beyond the download.

## The numbers

| Metric | WhenDo | Date Time Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/date-time-calculator-tickr/id6469073541/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Free | Free |
| Size | 50 MB | 5 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kent Humphries](https://appshunter.io/developer/980904115) | [S Ravi Shankar](https://appshunter.io/developer/516903373) |

## What reviewers say

### WhenDo

[App page](https://appshunter.io/ios/app/whendo/id1364482210)

Easily manage and visualize time differences with friends and loved ones. Share your availability visually using photos instead of clock icons, eliminating confusing time zone conversations. Works offline for convenient access anytime, anywhere.

**Highlights:** Visual time zone display, Photo-based friend representation, Simplified availability sharing, Offline functionality, Selfie integration for cities, Easy friend setup

**Features:** macOS Compatibility

**In-app purchases:** none


### Date Time Calculator

[App page](https://appshunter.io/ios/app/date-time-calculator-tickr/id6469073541)

Calculate the precise difference between two dates and times, down to the millisecond. Offers detailed breakdowns including days, hours, minutes, and seconds, with options to view weekdays or weekends only. Share your results easily with a clean, adaptable interface.

**Highlights:** Intuitive date and time setting, Calculate days, months, years, Detailed hour, minute, second, millisecond counts, Weekday and weekend specific calculations, One-tap result sharing, Light and dark mode options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip - Support Date Diff | $0.99 | one-time |
| Medium Tip - Support Date Diff | $2.99 | one-time |
| Big Tip - Support Date Diff | $4.99 | one-time |


## Frequently asked questions

### Is WhenDo free?

WhenDo is free to download, with no in-app purchases.

### Is Date Time Calculator free?

Date Time Calculator is free to download, with in-app purchases available.

### Do WhenDo or Date Time Calculator have ads?

Neither WhenDo nor Date Time Calculator shows ads.

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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.*