# DaysUntilWhen vs JIKAN

The clearest difference is ads: DaysUntilWhen at none against JIKAN's shown. JIKAN's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | DaysUntilWhen | JIKAN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/daysuntilwhen/id6472242936/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 66 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robert J Sarvis Jr](https://appshunter.io/developer/1531648349) | [Yosuke Ogata](https://appshunter.io/developer/1574464497) |

## What reviewers say

### DaysUntilWhen

[App page](https://appshunter.io/ios/app/daysuntilwhen/id6472242936)

Track the days remaining until important events with customizable home screen widgets. This app helps you visualize your countdowns for holidays and other significant dates, keeping you informed and excited.

**Highlights:** Customizable widgets, Holiday countdowns, Home screen display, Event tracking, User-requested features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Holiday Alerts | $1.99 | one-time |


### 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 DaysUntilWhen free?

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

### Is JIKAN free?

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

### Do DaysUntilWhen or JIKAN have ads?

JIKAN shows ads; DaysUntilWhen does not.

### Which is updated more often, DaysUntilWhen or JIKAN?

DaysUntilWhen ships an update monthly, and JIKAN monthly. Most recently, DaysUntilWhen was updated on June 1, 2026 and JIKAN on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*