# Soundless Timer vs カスタムアラーム

The clearest difference is in-app purchases: Soundless Timer at none against カスタムアラーム's 1. Soundless Timer also leads on update cadence (every 8 days vs every 4 weeks). カスタムアラーム's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. カスタムアラーム sells 1 one-off in-app purchase. Soundless Timer asks for nothing beyond the download.

Soundless Timer ships an update every 8 days, カスタムアラーム every 4 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Soundless Timer | カスタムアラーム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 4 weeks |
| Size | 11 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GEN HIOKI](https://appshunter.io/developer/1856534504) | [TAKUTO YOSHINO](https://appshunter.io/developer/1877756143) |

## What reviewers say

### Soundless Timer

[App page](https://appshunter.io/ios/app/soundless-timer/id6755815132)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Soundless Timer free?

Soundless Timer is free to download, with no in-app purchases.

### 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 Soundless Timer or カスタムアラーム have ads?

Soundless Timer shows ads; カスタムアラーム does not.

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

Soundless Timer ships an update every 8 days, and カスタムアラーム every 4 weeks. Most recently, Soundless Timer was updated on November 9, 2026 and カスタムアラーム on November 5, 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.*