Electronic seal[PRO] vs Focus One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
![Electronic seal[PRO]](https://cdn3.appshunter.io/i/Purple114/60dfb9880c61224777f424856bb7a3db/AppIcon-0-0-1x_U007emarketing-0-0-0-7-0-0-P3-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/640x0w.webp "Electronic seal[PRO]")
Electronic seal[PRO]
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【Creation procedure】 1. Select a seal type you want to create from six types of "Vertical", "Horizon", "Date", "1 row", "2 rows", "3 rows" . 2. Enter characters, set font, font size, stamp size magnification. 3-1. Tap "Save the album" at the bottom left of the screen to save the seal you created as an image file in the album. 3-2. Tap "Copy the seal" at the bottom right of the screen to save the seal you created to the clipboard. Please paste and use. 【Disclaimer】 This application is not responsible for any damage caused by using this application. Please contact the review section or DM here. https://twitter.com/corasck
Focus One
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Focus One is a simple focus timer for people who want to start one task, stay with it, and reduce mental clutter. Choose what you will do now, set a timer, and begin. The app keeps the screen quiet so you can return to the one thing in front of you. The settings screen lets you choose the app language, so the app can be localized to the language you select. Useful for study, work, Pomodoro-style sessions, ADHD-friendly routines, and building a visible focus record over time.
Screenshots
Verdict
The clearest difference is price: Focus One at Free against Electronic seal[PRO]'s $14.99. Focus One also leads on update cadence (every 2 weeks vs every 6 weeks). Electronic seal[PRO]'s advantage is ads (none vs shown) and device support (3 vs 1). 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
Focus One is free to download; Electronic seal[PRO] costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Electronic seal[PRO] ships an update every 6 weeks, Focus One every 2 weeks. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.
| Parameter | Electronic seal[PRO] | Focus One |
|---|---|---|
| Price | $14.99 | Free — better |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 79 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuya Fujita | BYNET |
In-app purchases
Electronic seal[PRO]
No in-app purchases
Focus One
No in-app purchases
