DroidKaigi 2024 vs Dora
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DroidKaigi 2024
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2024年9月11 - 13日に開催予定の DroidKaigi 2024 の公式アプリです。セッションのスケジュール確認や当日のお供にお使いください。 このアプリには、以下の機能が含まれます。 ・セッション内容の確認 ・お気に入り ・会場マップ ・プロフィールカード ・コントリビューターの確認
Dora
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This App is a simple countdown timer that uses sounds to let you know how much time is left during presentations and meetings. You don't need to keep checking the screen while presenting. Wooden clappers sound at two preset times, and a gong sounds when the timer reaches zero. Available on iPhone, iPad, and Apple Watch. Connect your iPhone or iPad to an external display to show the remaining time on a monitor or projector at your venue. ■ Key Features ・Start, pause, and reset the countdown ・Set two reminder times ・Preview sounds ・Play a gong sound when time runs out ・Receive local notifications ・Prevent automatic sleep while the timer is running ・Display the remaining time on an external screen ・Support for Light, Dark, and System appearance modes ・Available in Japanese, English, Simplified Chinese, Korean, and Spanish ・VoiceOver support ■ About Reset First Reset: Returns to the configured presentation duration Second Reset: Clears the timer to 0:00 ■ Privacy No account registration is required. No ads or analytics SDKs are used. Settings are stored separately in the iOS app and Apple Watch app and are not automatically synced between devices. The app works without communicating with external servers.
Screenshots
Verdict
The clearest difference is update cadence: DroidKaigi 2024 at daily against Dora's every 9 days. DroidKaigi 2024 also leads on iOS requirement (17.4 vs 26.0). 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.
DroidKaigi 2024 ships an update daily, Dora every 9 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.
| Parameter | DroidKaigi 2024 | Dora |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 68 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryoya Ito | Saki Hiraguchi |
In-app purchases
DroidKaigi 2024
No in-app purchases
Dora
No in-app purchases









