# Anniversary Calendar vs JIKAN

The clearest difference is in-app purchases: Anniversary Calendar at none against JIKAN's 3. Anniversary Calendar also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). JIKAN's advantage is update cadence (every 5 weeks vs every 8 months). On price and device support there is nothing between them.

Both are free to download. JIKAN sells 3 in-app purchases, starting at $4.99 per month. Anniversary Calendar asks for nothing beyond the download.

Anniversary Calendar ships an update every 8 months, JIKAN every 5 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Anniversary Calendar | JIKAN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Size | 51 MB | 69 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Nakamichi](https://appshunter.io/developer/1534276177) | [Yosuke Ogata](https://appshunter.io/developer/1574464497) |

## What reviewers say

### Anniversary Calendar

[App page](https://appshunter.io/ios/app/anniversary-calendar/id1580195782)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Anniversary Calendar free?

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

### Is JIKAN free?

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

### Do Anniversary Calendar or JIKAN have ads?

JIKAN shows ads; Anniversary Calendar does not.

### Which is updated more often, Anniversary Calendar or JIKAN?

Anniversary Calendar ships an update every 8 months, and JIKAN every 5 weeks. Most recently, Anniversary Calendar was updated on October 30, 2026 and JIKAN on October 28, 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.*