SkillCert vs おつきさま さんしまい
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkillCert
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【About This App】 Supports over 200 certifications and qualifications! Compete in real-time battles and weekly ranked matches using AI-generated exam questions based on official certification names and syllabi. Connect with fellow learners through SNS-style features and chat to expand your learning community. 【Features】 • Real-Time Battles: Compete online against other users using certification knowledge. Winners are determined by both accuracy and response speed. • Ranked Matches: Weekly seasonal rankings! Visualize your ranking and deviation score through competitive matches. • Practice Mode: Randomly selects 10 questions from the exam database. Ask AI about topics you do not understand. Users can vote questions as Good/Bad, and questions receiving many Bad votes are automatically removed every week. • Flashcards / Glossary • Community Features: Stay motivated and connect with like-minded learners through timelines (SNS), direct messaging, and chat features. • AI Diagnostic System: Automatically identifies weak areas and suggests the next best study actions to minimize learning time. 【Terms of Service / Privacy Policy】 Terms of Service: https://scba-ai.com/en/terms Privacy Policy: https://scba-ai.com/en/privacy
おつきさま さんしまい
This interactive picture book app features a gentle story about three moons in the night sky. Designed for parents and children to enjoy together, it includes subtle animations triggered by taps. The narrative encourages noticing individual "wonders" and is accompanied by soothing background music.
- Interactive picture book
- Gentle story for families
- Subtle tap-activated animations
- Soothing background music
- Encourages noticing individual wonders
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読むだけじゃない ほんの少し、しかけのある絵本アプリ。 夜の空に、 3つのおつきさまがいました。 「おつきさま さんしまい」は、 親子でいっしょに楽しめる、 やさしい絵本アプリです。 絵本のように読み進めながら、 タップでほんの少し動く、 ちいさなしかけも楽しめます。 おつきさまのお話をきっかけに、 それぞれの“すてき”に気付ける、 やさしい物語です。 やさしいBGMとともに、 親子の絵本時間を楽しめます。
Screenshots
Verdict
The clearest difference is in-app purchases: おつきさま さんしまい at none against SkillCert's 3. おつきさま さんしまい also leads on ads (none vs shown). SkillCert's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price 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. SkillCert sells 3 in-app purchases, starting at $2.99 per month. おつきさま さんしまい asks for nothing beyond the download.
| Parameter | SkillCert | おつきさま さんしまい |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 4 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 155 MB | 20 MB |
| Age rating | 12+ | 4+ |
| Developer | Yotaro SATO | Mami Kawai |
In-app purchases
SkillCert
- SKILL Cert by AI ライトプラン$2.991 Month
- SKILL Cert by AI スタンダードプラン$9.991 Month
- SKILL Cert by AI プレミアムプラン$29.991 Month
おつきさま さんしまい
No in-app purchases









