# Date and Time Checker vs Grind Timer

The clearest difference is ads: Grind Timer at none against Date and Time Checker's shown. Grind Timer also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Date and Time Checker sells 2 one-off in-app purchases and Grind Timer sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Date and Time Checker ships an update every 3 months, Grind Timer every 5 days. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Date and Time Checker | Grind Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-and-time-checker/id1495935338/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 110 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mitsuhiro nara](https://appshunter.io/developer/908062910) | [Yuuki Nagata](https://appshunter.io/developer/1815690758) |

## What reviewers say

### Date and Time Checker

[App page](https://appshunter.io/ios/app/date-and-time-checker/id1495935338)

Easily calculate elapsed time, dates, and durations with multiple calculation formats. Save your results as a history for quick reference. Ideal for tracking work hours, travel time, or significant dates.

**Highlights:** Calculate elapsed time (hours, minutes, seconds), Calculate elapsed dates (days, weeks, months, years), Add or subtract time/dates, Set alert notifications for calculated times/dates, Save calculation results as history, Option to include/exclude first day in date calculations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Export to File | $3.99 | one-time |


### Grind Timer

[App page](https://appshunter.io/ios/app/grind-timer/id6746191561)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $4.99 | per month |


## Frequently asked questions

### Is Date and Time Checker free?

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

### Is Grind Timer free?

Grind Timer is free to download, with in-app purchases available.

### Do Date and Time Checker or Grind Timer have ads?

Date and Time Checker shows ads; Grind Timer does not.

### Which is updated more often, Date and Time Checker or Grind Timer?

Date and Time Checker ships an update every 3 months, and Grind Timer every 5 days. Most recently, Date and Time Checker was updated on September 28, 2026 and Grind Timer on September 27, 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.*