# Interval Voice Clock vs スマート置換

The clearest difference is price: スマート置換 at Free against Interval Voice Clock's $1.99. Interval Voice Clock's advantage is iOS requirement (15.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

スマート置換 is free to download; Interval Voice Clock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Interval Voice Clock | スマート置換 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/interval-voice-clock/id6476801545/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Paid | — |
| Size | 32 MB | 3 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Okamoto](https://appshunter.io/developer/418850607) | [Satsuki Wakasugi](https://appshunter.io/developer/1516038890) |

## What reviewers say

### Interval Voice Clock

[App page](https://appshunter.io/ios/app/interval-voice-clock/id6476801545)

This app announces the current time at customizable intervals, allowing for hands-free time checks. It offers adjustable volume, voice options, and background playback, functioning entirely offline.

**Highlights:** Customizable announcement intervals, Adjustable announcement volume, Choice of male or female voice, Background playback support, Offline functionality, Multiple announcement types

**Features:** Vision Pro support

**In-app purchases:** none


### スマート置換

[App page](https://appshunter.io/ios/app/id6760252962)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interval Voice Clock free?

Interval Voice Clock costs $1.99, with no in-app purchases.

### Is スマート置換 free?

スマート置換 is free to download, with no in-app purchases.

### Do Interval Voice Clock or スマート置換 have ads?

Neither Interval Voice Clock nor スマート置換 shows ads.

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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.*