Comparison

Interval Voice Clock vs 保存できるリスト電卓

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Voice Clock

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
Read full description

Signal Time is a simple and easy-to-read app that announces the time at regular intervals. By default, it announces the time every 10 seconds (customizable). Use it in various situations—have it read the time aloud while you're busy getting ready in the morning, or check the time hands-free in the kitchen while waiting for your favorite show to start. No internet connection is required; the app works entirely offline. * Adjust the volume of both the second-hand sound and voice announcements (can be muted) * Set the announcement interval (from every 10 seconds to every hour) * Choose the type of voice used for announcements (female or male) * Supports background playback * Choose the type of announcements (Standard, Simple and Minimal)

About

保存できるリスト電卓

Features
Read full description

「さっき計算した数字、なんだったっけ?」 「この合計、本当に合ってる?」 そんな経験はありませんか? このアプリは、計算の過程がリストで見える、保存機能付きの電卓です。 【主な特徴】  ・リスト表示:入力した数値が縦に並ぶので、計算ミスをすぐに確認できます。  ・保存機能:計算したリストに名前をつけて保存可能。後からいつでも見返せます。  ・修正が簡単:間違えた行だけを消したり、数値を直したりできます。 普通の電卓では物足りないあなたへ。 計算をもっと「見える化」して、便利に管理しましょう。

Screenshots

Interval Voice Clock2 screens
保存できるリスト電卓3 screens

Verdict

The call

The clearest difference is price: 保存できるリスト電卓 at Free against Interval Voice Clock's $1.99. 保存できるリスト電卓 also leads on update cadence (every 3 days vs every 2 weeks). Interval Voice Clock's advantage is ads (none vs shown) and device support (4 vs 2). On in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

保存できるリスト電卓 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.

UpkeepUpdate frequency

Interval Voice Clock ships an update every 2 weeks, 保存できるリスト電卓 every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Voice Clock versus 保存できるリスト電卓: the parameters behind the verdict, then further details
ParameterInterval Voice Clock保存できるリスト電卓
Price$1.99Free — better
Rating4.0 (2 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better17
Further details — not scored
Size32 MB22 MB
Age rating4+4+
DeveloperRyo OkamotoSota Shimizu

In-app purchases

None

Interval Voice Clock

No in-app purchases

None

保存できるリスト電卓

No in-app purchases

Questions

Is Interval Voice Clock free?
Interval Voice Clock costs $1.99, with no in-app purchases.
Is 保存できるリスト電卓 free?
保存できるリスト電卓 is free to download, with no in-app purchases.
Do Interval Voice Clock or 保存できるリスト電卓 have ads?
保存できるリスト電卓 shows ads; Interval Voice Clock does not.
Which is updated more often, Interval Voice Clock or 保存できるリスト電卓?
Interval Voice Clock ships an update every 2 weeks, and 保存できるリスト電卓 every 3 days. Most recently, Interval Voice Clock was updated on October 25, 2026 and 保存できるリスト電卓 on October 28, 2026.

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