# Shift Calendar vs ロック画面カウントダウン・ウィジェット あと何日

The clearest difference is in-app purchases: Shift Calendar at none against ロック画面カウントダウン・ウィジェット あと何日's 2. ロック画面カウントダウン・ウィジェット あと何日's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ロック画面カウントダウン・ウィジェット あと何日 sells 2 in-app purchases, starting at $1.99 per month. Shift Calendar asks for nothing beyond the download.

Shift Calendar ships an update every 3 weeks, ロック画面カウントダウン・ウィジェット あと何日 every 3 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Shift Calendar | ロック画面カウントダウン・ウィジェット あと何日 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 12 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Vu Trong](https://appshunter.io/developer/1878635735) | [Masaki Sato](https://appshunter.io/developer/391356571) |

## What reviewers say

### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shift-planner/id6760978159)

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

**In-app purchases:** none


### ロック画面カウントダウン・ウィジェット あと何日

[App page](https://appshunter.io/ios/app/id6792396949)

Display countdowns to important dates directly on your iPhone's lock screen. Customize the look with various backgrounds, colors, and fonts. Supports both countdowns and count-ups for anniversaries and events.

**Highlights:** Lock screen widgets for constant display, Customizable backgrounds, text, and colors, Photo backgrounds and pattern options (Pro), Choice of fonts (Pro), Countdown and count-up modes, Data stored locally on device

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $19.99 | per year |


## Frequently asked questions

### Is Shift Calendar free?

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

### Is ロック画面カウントダウン・ウィジェット あと何日 free?

ロック画面カウントダウン・ウィジェット あと何日 is free to download, with in-app purchases available.

### Do Shift Calendar or ロック画面カウントダウン・ウィジェット あと何日 have ads?

Neither Shift Calendar nor ロック画面カウントダウン・ウィジェット あと何日 shows ads.

### Which is updated more often, Shift Calendar or ロック画面カウントダウン・ウィジェット あと何日?

Shift Calendar ships an update every 3 weeks, and ロック画面カウントダウン・ウィジェット あと何日 every 3 days. Most recently, Shift Calendar was updated on October 2, 2026 and ロック画面カウントダウン・ウィジェット あと何日 on October 7, 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.*