Seal vs BuildTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Seal
Design a personalized calendar with your favorite images, videos, and theme colors. Easily add appointments with drag-and-drop stamps. Offers a lock function for privacy and integrates with your iOS calendar for holidays and birthdays.
- Set photos and videos as backgrounds
- Customize theme colors and fonts
- Over 190 types of stamps for scheduling
- Face ID and Touch ID lock function
- iOS calendar integration
- Widget display for quick access
- Notification and schedule alerts
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"Seal" is a calendar app that allows you to set your favorite images and videos. You can design your own calendar in combination with the theme colors you can choose. Even when you make an appointment, it's easy to operate just by dragging the stamp. Please try "Seal", an app that allows you to create your own calendar! ------------------------------------------ 【 Features 】 ■ Set photos and videos and change clothes with the theme color! You can customize the calendar theme colors and fonts to suit your favorite photos. If you use the premium function, you can set full-screen images / videos. ■ A lot of stamps! More than 190 types of stamps are available! Let's register the schedule in the calendar using stamps that match various situations. [Function] ■ Lock function by Face ID and Touch ID If you enable the lock, the app will be locked 10 minutes after you close the app, and you will be able to unlock it with Face ID and Touch ID. Since Face ID and Touch ID are used, there is no need to set a new password and remember it. ■ Holiday / Birthday / Schedule setting When linked with the iOS calendar, holidays and appointments will be displayed. ■ Widget display It corresponds to the widget, and you can see the schedule from the widget. ■ Notification function You can set an alarm for important schedules and notify you when the specified time comes. ■ Schedule notification function We will inform you of the schedule of the day on the day or the day before. ■ Subscription Please refer to the following for the terms and conditions for using the subscription. 1. Privacy Policy: https://elforest.studio.site/policy 2. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
BuildTimer
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BuildTimerはあなたの日々の活動を管理し、一覧形式やグラフ化で見える化を図り、計画的に目標達成を支援します。 ■積み上げる内容を目標として投稿 投稿する目標は、達成するためにどれだけの時間を積み上げるかという計画です。これにより、目標達成に向けた積み重ねを計画的に記録することが可能となります。 ■毎日の積み上げ記録 毎日の積み上げ記録として、日常の活動をタイマー形式で記録します。目標の投稿をクリックすることで、一覧形式で積み上げた記録を確認することができます。 ■時期別で記録を確認 日々積み上げた記録は日、週、月、年別で切り替えて表示することができます。どれだけ積み上げたか時間も確認可能なため、一覧形式ですぐ把握できます。 ■円グラフで記録を可視化 積み上げた時間を円グラフで可視化することができます。これにより、目標達成までの進捗や時間の配分を一目で確認できます。 ■お問い合わせ ご意見、機能追加のご要望があれば、下記までご連絡ください。 karirin419@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: BuildTimer at none against Seal's 9. BuildTimer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Seal sells 9 in-app purchases, starting at $2.99 per month. BuildTimer asks for nothing beyond the download.
Seal ships an update every 8 days, BuildTimer fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Seal | BuildTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 8 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.2 — better | 16.3 |
| Further details — not scored | ||
| Size | 227 MB | 40 MB |
| Age rating | 9+ | 4+ |
| Developer | Daisuke Katayama | hashimoto ryouya |
In-app purchases
Seal
- monthly premium plan$2.991 Month
- Annual premium plan$24.991 Year
- Pastel Color Set$0.99
- Dullness Set1$0.99
- Dullness Set2$0.99
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- Chocolate Set$0.99
- Full Screen$3.99
- Release Pack$4.99
- Hide Ads$5.99
BuildTimer
No in-app purchases









