# スマホで左手デバイス vs Countdown

The clearest difference is ads: Countdown at none against スマホで左手デバイス's shown. スマホで左手デバイス's advantage is update cadence (weekly vs every 5 months) and iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. スマホで左手デバイス sells 1 in-app purchase, starting at $4.99 per month and Countdown sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

スマホで左手デバイス ships an update weekly, Countdown every 5 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | スマホで左手デバイス | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 months |
| Size | 73 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keiichiro Fukuda](https://appshunter.io/developer/1649896037) | [志琼 羊](https://appshunter.io/developer/1803513635) |

## What reviewers say

### スマホで左手デバイス

[App page](https://appshunter.io/ios/app/id6603719752)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除と機能の追加 | $4.99 | per month |


### Countdown

[App page](https://appshunter.io/ios/app/countdown-event-timer/id6758383138)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is スマホで左手デバイス free?

スマホで左手デバイス is free to download, with in-app purchases available.

### Is Countdown free?

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

### Do スマホで左手デバイス or Countdown have ads?

スマホで左手デバイス shows ads; Countdown does not.

### Which is updated more often, スマホで左手デバイス or Countdown?

スマホで左手デバイス ships an update weekly, and Countdown every 5 months. Most recently, スマホで左手デバイス was updated on September 20, 2026 and Countdown on September 15, 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.*