WarikanJ vs Interval Voice Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WarikanJ
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"WarikanJ" is an abbreviation for "Warikan Jozu". In Japanese, "Warikan" means splitting the payment. "Jozu" means good, cleaver, or nice. "WarikanJ" answers a payment for each person about total amount. "Total amount” : Total payment "Num of people” : Number of members. “Carryover funds” : Amount of money brought from the previous payment. “min. change” : Split the bill with minimal change "¥10" : Round into ¥10 unit for pay "¥100" : Round into ¥100 unit for pay "¥1000" : Round into ¥1000 unit for pay “Equal split amount” is editable. After entering the amount, press the “apply” before calculation. When some people pay larger or smaller, you use "special payment”. You can set up to 9 special payment patterns. This update adds a new feature: sharing the result of “Warikan”.
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.
- Customizable announcement intervals
- Adjustable announcement volume
- Choice of male or female voice
- Background playback support
- Offline functionality
- Multiple announcement types
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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)
Screenshots
Verdict
The clearest difference is price: WarikanJ at Free against Interval Voice Clock's $1.99. Interval Voice Clock's advantage is update cadence (every 2 weeks vs every 2 months) and device support (4 vs 2). On ads and 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
WarikanJ 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.
WarikanJ ships an update every 2 months, Interval Voice Clock every 2 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.
| Parameter | WarikanJ | Interval Voice Clock |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 62.5% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hisako Murata | Ryo Okamoto |
In-app purchases
WarikanJ
No in-app purchases
Interval Voice Clock
No in-app purchases
Questions
Is WarikanJ free?
Is Interval Voice Clock free?
Do WarikanJ or Interval Voice Clock have ads?
Which is updated more often, WarikanJ or Interval Voice Clock?
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