BioChem Sprint 9 vs Ventisium
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BioChem Sprint 9
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Offline Grade 9 Bio+Chem Study Sprint Studio. Each sprint ends with a saved result, a required “In my own words…” note, and (if needed) a Mistake Reason. Revision Mode uses your notes + reasons to build Focus Sets and create revision cards you keep.
Ventisium
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Explore how air, heat, filtration, and indoor pollutants move through designed spaces. Build room layouts, run visual studies, compare revisions, test system failures, and publish your reasoning as an Airflow Design Portfolio.
Screenshots
Verdict
The clearest difference is update cadence: BioChem Sprint 9 at every 2 days against Ventisium's every 9 days. BioChem Sprint 9 also leads on iOS requirement (13.0 vs 15.0). 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.
BioChem Sprint 9 ships an update every 2 days, Ventisium every 9 days. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.
| Parameter | BioChem Sprint 9 | Ventisium |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Nguyen Khanh Vy | Da Ra Chau |
In-app purchases
BioChem Sprint 9
No in-app purchases
Ventisium
No in-app purchases
Questions
Is BioChem Sprint 9 free?
Is Ventisium free?
Do BioChem Sprint 9 or Ventisium have ads?
Which is updated more often, BioChem Sprint 9 or Ventisium?
Other comparisons
