Comparison

開業支援G21 vs Komaca

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

Head to head
About

開業支援G21

Features
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歯科の開業支援をサポートする本アプリでは、忙しい合間を縫って開業の準備を行う歯科の先生のポケットに計画表を忍ばせ、開業までの流れの理解を進めることができます。 「未来」タブは、未来カレンダー、開業を予定している日を入れると計画表が自動で作成されます。いつ頃何をやればいいのか計画がみれるので、様々な相談もしやすくなります。 「計画」タブでは株式会社ヨシダのGROUP21開業支援コーナーを閲覧することができます。様々な情報を収集して準備しよう。 「セミナー」タブでは歯科医師向けの開業セミナーの情報が閲覧できます。興味のあるセミナーに申し込みをしてみましょう。人気のセミナーはすぐに席がなくなるのでお早めにお申し込みください。 「安心サポート」本アプリでは、画面上部の『鉛筆』アイコンをタップすると、どこの画面からでも開業支援スタッフへ相談することができます。気になることや実際どうなの?といった開業支援のプロの方への質問がお気軽にできます! 本アプリをご利用いただくには、株式会社ヨシダの提供するDentalNextActionメンバーズに無料登録を行い本アプリにてログインいただく必要があります。 機能 - 未来カレンダー - 開業支援コンテンツの閲覧 - セミナー情報の閲覧 - 開業支援スタッフへの質問投稿 本アプリ「開業支援G21」が提供する魅力的な機能が、忙しい歯科の先生の開業準備を支えます。

About

Komaca

Easily create professional, mobile-friendly websites for your business, store, or hobby group without any technical expertise. Focus on your vision while the app handles the complex website building process for you.

Highlights
  • Free website creation
  • Mobile-friendly design
  • Desktop compatibility
  • No technical expertise needed
  • Focus on creative vision
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Start building your website for free with Komaca. Whether you're creating an official page for your business, store, or even your hobby group, our app makes it incredibly simple to craft a mobile-friendly site. And don't worry—sites built with our app look just as great when viewed on a desktop. If you've ever thought you need to study up to create a website, think again. With Komaca, all the technical heavy-lifting is done for you, so you can focus on bringing your vision to life. Get started for free and make your first website the best it can be—with Komaca.

Screenshots

開業支援G214 screens
Komaca3 screens

Verdict

The call

The clearest difference is ads: 開業支援G21 at none against Komaca's shown. 開業支援G21 also leads on iOS requirement (15.6 vs 17.0). Komaca's advantage is update cadence (every 3 weeks vs every 2 months). On price, 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

開業支援G21 ships an update every 2 months, Komaca every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
開業支援G21 versus Komaca: the parameters behind the verdict, then further details
Parameter開業支援G21Komaca
PriceFreeFree
Rating—2.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size5 MB88 MB
Age rating4+4+
Developer株式会社ヨシダChia Inc.

In-app purchases

None

開業支援G21

No in-app purchases

None

Komaca

No in-app purchases

Questions

Is 開業支援G21 free?
開業支援G21 is free to download, with no in-app purchases.
Is Komaca free?
Komaca is free to download, with no in-app purchases.
Do 開業支援G21 or Komaca have ads?
Komaca shows ads; 開業支援G21 does not.
Which is updated more often, 開業支援G21 or Komaca?
開業支援G21 ships an update every 2 months, and Komaca every 3 weeks. Most recently, 開業支援G21 was updated on October 5, 2026 and Komaca on October 24, 2026.

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