STEMulator vs Jan Celliers Laerskool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STEMulator
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Calling all teenagers and younger. A virtual world full of informative animations on all things STEM (Science, Technology, Engineering & Mathematics), from pumping human hearts to power station turbines, microbes to mountains, farming to factories. How does it work? How is it made? What career and subject choices? Our simple visual navigation system allows you to explore the world at leisure. Get behind the scenes. Still in its infancy, we're hungry for additional content. Think Wikipedia. No in-app purchases required. We’re sharing our knowledge. The STEMulator is for sharing.
Jan Celliers Laerskool
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Ontvang die nuutste nuus en inligting van Jan Celliers Laerskool en Preprimêr direk op jou mobiele toestel. Jy kan nou die inligting wat jy ontvang, verpersoonlik deur voorafbepaalde groepe en inligting te kies wat direk relevant is vir jou.
Screenshots
Verdict
The clearest difference is update cadence: Jan Celliers Laerskool at fortnightly against STEMulator's every 9 months. STEMulator's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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.
STEMulator ships an update every 9 months, Jan Celliers Laerskool fortnightly. The most recent releases landed on October 5, 2026 and September 20, 2026 respectively.
| Parameter | STEMulator | Jan Celliers Laerskool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 35 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | STEMulator | d6 group (Pty) Ltd |
In-app purchases
STEMulator
No in-app purchases
Jan Celliers Laerskool
No in-app purchases
Questions
Is STEMulator free?
Is Jan Celliers Laerskool free?
Do STEMulator or Jan Celliers Laerskool have ads?
Which is updated more often, STEMulator or Jan Celliers Laerskool?
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