# Study Countdown vs 受験カウントダウン｜共通テストまであと何日

The clearest difference is in-app purchases: Study Countdown at none against 受験カウントダウン｜共通テストまであと何日's 1. 受験カウントダウン｜共通テストまであと何日's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 受験カウントダウン｜共通テストまであと何日 sells 1 one-off in-app purchase. Study Countdown asks for nothing beyond the download.

Study Countdown ships an update every 8 days, 受験カウントダウン｜共通テストまであと何日 every 9 days. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Study Countdown | 受験カウントダウン｜共通テストまであと何日 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 9 days |
| Size | 14 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [kaisei watanabe](https://appshunter.io/developer/1543587757) | [Kota Mizumura](https://appshunter.io/developer/1874359577) |

## What reviewers say

### Study Countdown

[App page](https://appshunter.io/ios/app/study-countdown-focus-log/id6765840155)

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

**In-app purchases:** none


### 受験カウントダウン｜共通テストまであと何日

[App page](https://appshunter.io/ios/app/id6796396204)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 受験カウントダウン Pro | $1.99 | one-time |


## Frequently asked questions

### Is Study Countdown free?

Study Countdown is free to download, with no in-app purchases.

### Is 受験カウントダウン｜共通テストまであと何日 free?

受験カウントダウン｜共通テストまであと何日 is free to download, with in-app purchases available.

### Do Study Countdown or 受験カウントダウン｜共通テストまであと何日 have ads?

Study Countdown shows ads; 受験カウントダウン｜共通テストまであと何日 does not.

### Which is updated more often, Study Countdown or 受験カウントダウン｜共通テストまであと何日?

Study Countdown ships an update every 8 days, and 受験カウントダウン｜共通テストまであと何日 every 9 days. Most recently, Study Countdown was updated on September 9, 2026 and 受験カウントダウン｜共通テストまであと何日 on September 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.*