Comparison

DroidKaigi 2024 vs Dora

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DroidKaigi 2024

Features
Read full description

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

About

Dora

Features
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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

DroidKaigi 20244 screens
Dora2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DroidKaigi 2024 ships an update daily, Dora every 9 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
DroidKaigi 2024 versus Dora: the parameters behind the verdict, then further details
ParameterDroidKaigi 2024Dora
PriceFreeFree
Update frequencyDaily — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS17.4 — better26.0
Further details — not scored
Size68 MB7 MB
Age rating4+4+
DeveloperRyoya ItoSaki Hiraguchi

In-app purchases

None

DroidKaigi 2024

No in-app purchases

None

Dora

No in-app purchases

Questions

Is DroidKaigi 2024 free?
DroidKaigi 2024 is free to download, with no in-app purchases.
Is Dora free?
Dora is free to download, with no in-app purchases.
Do DroidKaigi 2024 or Dora have ads?
Neither DroidKaigi 2024 nor Dora shows ads.
Which is updated more often, DroidKaigi 2024 or Dora?
DroidKaigi 2024 ships an update daily, and Dora every 9 days. Most recently, DroidKaigi 2024 was updated on October 27, 2026 and Dora on November 5, 2026.

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