# Date and Time Checker vs memomo（メモモ）

The clearest difference is in-app purchases: memomo（メモモ） at none against Date and Time Checker's 2. memomo（メモモ） also leads on ads (none vs shown) and device support (3 vs 1). Date and Time Checker's advantage is update cadence (every 3 months vs every 7 months). On price there is nothing between them.

Both are free to download. Date and Time Checker sells 2 one-off in-app purchases. memomo（メモモ） asks for nothing beyond the download.

Date and Time Checker ships an update every 3 months, memomo（メモモ） every 7 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Date and Time Checker | memomo（メモモ） |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 30 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mitsuhiro nara](https://appshunter.io/developer/908062910) | [Masayoshi Kishida](https://appshunter.io/developer/1643914923) |

## 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 |


### memomo（メモモ）

[App page](https://appshunter.io/ios/app/memomo/id1643924485)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Date and Time Checker free?

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

### Is memomo（メモモ） free?

memomo（メモモ） is free to download, with no in-app purchases.

### Do Date and Time Checker or memomo（メモモ） have ads?

Date and Time Checker shows ads; memomo（メモモ） does not.

### Which is updated more often, Date and Time Checker or memomo（メモモ）?

Date and Time Checker ships an update every 3 months, and memomo（メモモ） every 7 months. Most recently, Date and Time Checker was updated on October 17, 2026 and memomo（メモモ） on October 13, 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.*