check vs BioFlash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
check
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Der basic-check ist eine berufsneutrale Eignungsabklärung, die das persönliche Fähigkeitsprofil angehender Lernender aufzeigt. Der schweizweit einheitliche Eignungstest prüf die Kenntnisse und Fähigkeiten der Schülerinnen und Schüler nach Abschluss der 8. Klasse.
BioFlash
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Turn a quick question into a clearer understanding. BioFlash brings together focused explanations, visual references and quizzes for study at your own pace. EXPLORE Cells, DNA, inheritance, evolution, plants, body systems, immunity and relationships in nature. SUBJECT TOOLS References for cells, biological processes, anatomy and genetics, with diagrams and concise facts. MAKE YOUR STUDY TIME COUNT - Browse topics and search for the concept you need. - Save favorites in their own screen and track what you have read. - Build quizzes by topic, review answers and follow your results. - Choose a comfortable text size, color theme and light or dark appearance. Learning content and quizzes are available in 14 languages: English, Albanian, German, French, Spanish, Italian, Portuguese, Turkish, Arabic, Hindi, Indonesian, Vietnamese, Simplified Chinese and Traditional Chinese. Learning content is stored on your device. Favorites and progress stay local, with no app account required. Internet is needed for purchases and subscription checks. Try the app with a 10-minute local preview, started by you. It does not start a subscription. Continued access requires an annual subscription. The current price and any eligible introductory offer are shown by your store before confirmation. Subscriptions renew automatically unless canceled in your store account. Subscription access needs periodic online verification. Privacy policy and terms of use: https://sites.google.com/view/etemidev/privacy-policy-bioflash
Screenshots
Verdict
The clearest difference is in-app purchases: check at none against BioFlash's 1. check also leads on update cadence (every 9 days vs every 7 months) and iOS requirement (8.0 vs 16.4). On price, ads 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. BioFlash sells 1 in-app purchase, starting at $9.99 per year. check asks for nothing beyond the download.
check ships an update every 9 days, BioFlash every 7 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.
| Parameter | check | BioFlash |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 23 MB | 44 MB |
| Age rating | 4+ | 9+ |
| Developer | Smart Bits GmbH | Gentiana Etemi |
In-app purchases
check
No in-app purchases
BioFlash
- BioFlash Premium3 Days trial$9.991 Year









