ゆらぎlight 1/f vs Voice Countdown Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ゆらぎlight 1/f
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くろねこ研究所 Kuroneko Lab. ゆらぎライト 1/f ゆらぎのほのかな灯です 画面の明るさで周りを照らすなど、自由に使ってね 使い方は自由です 光って、ゆらぐだけ 画面をタッチして動かすと色を変えられます 斜めに動かしてね Fluctuation light 1 / f a faint light with fluctuations Feel free to use it to illuminate your surroundings with the brightness of the screen. Usage is free Just shine and shake You can change the color by touching and moving the screen Move it diagonally くろねこ研究所 Kuroneko Lab.
Voice Countdown Timer
This utility app provides an automated countdown timer with voice prompts. It supports English and Japanese languages and offers adjustable volume settings, including an option to increase volume as time decreases.
- Automated voice countdown
- Adjustable volume control
- Volume increases with decreasing time
- English and Japanese language support
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Automated voice countdown timer ・Supported languages : English / Japanese ・Volume : Always maximum / Increase* *The volume can also be increased as the remaining time decreases.
Screenshots
Verdict
The clearest difference is update cadence: Voice Countdown Timer at every 2 weeks against ゆらぎlight 1/f's monthly. ゆらぎlight 1/f's advantage is iOS requirement (12.0 vs 15.8.3). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ゆらぎlight 1/f ships an update monthly, Voice Countdown Timer every 2 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.
| Parameter | ゆらぎlight 1/f | Voice Countdown Timer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 14 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | takayuki atsumi | Hideaki Uchikoshi |
In-app purchases
ゆらぎlight 1/f
No in-app purchases
Voice Countdown Timer
No in-app purchases
Questions
Is ゆらぎlight 1/f free?
Is Voice Countdown Timer free?
Do ゆらぎlight 1/f or Voice Countdown Timer have ads?
Which is updated more often, ゆらぎlight 1/f or Voice Countdown Timer?
Other comparisons
