# Countdown & Interval Timer vs カスタムアラーム

The clearest difference is update cadence: Countdown & Interval Timer at every 5 days against カスタムアラーム's every 4 weeks. カスタムアラーム's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Countdown & Interval Timer sells 4 in-app purchases, starting at $2.99 per month and カスタムアラーム sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Countdown & Interval Timer ships an update every 5 days, カスタムアラーム every 4 weeks. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Countdown & Interval Timer | カスタムアラーム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Size | 94 MB | 39 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tingogo Inc](https://appshunter.io/developer/1689008236) | [TAKUTO YOSHINO](https://appshunter.io/developer/1877756143) |

## What reviewers say

### Countdown & Interval Timer

[App page](https://appshunter.io/ios/app/countdown-and-interval-timer/id6759101882)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |
| Lifetime Premium | $39.99 | one-time |


### カスタムアラーム

[App page](https://appshunter.io/ios/app/id6759268514)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $2.99 | one-time |


## Frequently asked questions

### Is Countdown & Interval Timer free?

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

### Is カスタムアラーム free?

カスタムアラーム is free to download, with in-app purchases available.

### Do Countdown & Interval Timer or カスタムアラーム have ads?

Neither Countdown & Interval Timer nor カスタムアラーム shows ads.

### Which is updated more often, Countdown & Interval Timer or カスタムアラーム?

Countdown & Interval Timer ships an update every 5 days, and カスタムアラーム every 4 weeks. Most recently, Countdown & Interval Timer was updated on September 20, 2026 and カスタムアラーム on September 17, 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.*