# JIKAN vs Life Clock

The clearest difference is update cadence: Life Clock at every 3 days against JIKAN's monthly. JIKAN's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. JIKAN sells 3 in-app purchases, starting at $4.99 per month and Life Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

JIKAN ships an update monthly, Life Clock every 3 days. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | JIKAN | Life Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 15 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Ogata](https://appshunter.io/developer/1574464497) | [Kengo Saito](https://appshunter.io/developer/1422383520) |

## What reviewers say

### JIKAN

[App page](https://appshunter.io/ios/app/jikan-countdown-app/id6747701096)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【Monthly】Premium | $4.99 | per month |
| 【Annual】Premium | $29.99 | per year |
| 【Life Time】Premium | $29.99 | one-time |


### Life Clock

[App page](https://appshunter.io/ios/app/life-clock-bread-times-left/id6755900569)

This app visualizes your remaining lifespan and the number of times you can enjoy your favorite activities. It uses widgets and notifications to help you appreciate each day and live more meaningfully.

**Highlights:** Automatic remaining lifespan calculation, Visualize 'how many more times' for activities, Lifespan widgets for home screen, Daily reminders for remaining days, Customizable target lifespan

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $1.99 | one-time |


## Frequently asked questions

### Is JIKAN free?

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

### Is Life Clock free?

Life Clock is free to download, with in-app purchases available.

### Do JIKAN or Life Clock have ads?

Both JIKAN and Life Clock show ads.

### Which is updated more often, JIKAN or Life Clock?

JIKAN ships an update monthly, and Life Clock every 3 days. Most recently, JIKAN was updated on September 15, 2026 and Life Clock on September 9, 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.*