SClock vs 郵便番号さがし
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SClock
This app offers a customizable clock with adjustable display sizes and color options. It features dual timers with customizable sounds and visual cues, perfect for time management tasks like Pomodoro.
- Adjustable display size
- Color selectable clock face
- Dual timer functionality
- Customizable countdown sounds
- Color-coded time display
- Simple, easy-to-read design
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・ 24H / 12H calendar Simple clock function with color selectable ・The sound before the start, the countdown sound, the color display can be changed according to the remaining time, and the two timers can be switched, making it ideal for pomodoro timers, etc.The sound before the start, the countdown sound, the color display can be changed according to the remaining time, and the two timers can be switched, making it ideal for pomodoro timers, etc. ・By switching between large format and middle size display, it is easy to use at hand and has excellent visibility from a distance in a wide place. ・Simple and easy-to-read design. You can use it in any situation such as studying, meetings, presentations, sports, fitness, cooking, etc.
郵便番号さがし
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Fast Japanese postal code (yubin bango) search, offline. Look up an address from a zip code or a zip code from an address. Furigana readings, postage rate table, big-text display, favorites and categories. Note: unofficial app; uses Japan Post's public postal code data.
Screenshots
Verdict
SClock and 郵便番号さがし are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. SClock sells 1 in-app purchase, starting at $0.99 per month and 郵便番号さがし sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | SClock | 郵便番号さがし |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (24 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.1 | 16.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Hajime Suzuki | YU KORIKI |
In-app purchases
SClock
- premium$0.991 Month
郵便番号さがし
- 広告を非表示にする$1.99
