atom.sim vs Grolo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
atom.sim
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A simulation of the anatomy of atoms. This app shows the first 18 atoms in 3d detail, provides info about the anatomy of these atoms and shows how empty an atom is. Ideal for students in mid school and high school.
Grolo
Cultivate a virtual garden, learning about organic farming and plant care. Engage in a gamified experience with real-time growth stages, and discover the health benefits of each plant. Earn points and climb the ranks in this educational and entertaining simulation.
- Virtual plant cultivation
- Real-time growth stages
- Simulated plant care (sunlight, water, soil)
- Pest and disease management
- Learn plant health benefits
- Gamified scoring and ranking
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Grolo App – Grow, Learn, and Harvest Organically Transform your smartphone into a digital garden with Grolo App! Dive deep into the world of vegetable cultivation and discover the delights of organic farming right at your fingertips. Your Virtual Garden: Start by selecting from our curated list of 20 plants and vegetables. Watch in amazement as your seeds flourish, mirroring genuine growth stages. True-to-Life Care: It's not just about planting seeds. Adjust sunlight, ensure optimal watering, and pick the perfect soil. Ward off pesky intruders and treat plant diseases to ensure a bountiful harvest. Gamified Experience: Enjoy the thrill of speedy plant growth, making your gardening journey both authentic and exhilarating. Health Benefits Revealed: Every plant comes with its set of advantages. From boosting your health to enhancing beauty and athletic performance, learn the myriad ways your garden enriches your life. Score & Shine: Every task you complete earns you points, propelling you up the ranks. Join the Grolo family and embark on a journey where gaming meets gardening, education meets entertainment, and where every harvest brings knowledge and joy.
Screenshots
Verdict
The clearest difference is update cadence: atom.sim at every 6 weeks against Grolo's every 3 months. Grolo's advantage is iOS requirement (11.0 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.
atom.sim ships an update every 6 weeks, Grolo every 3 months. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.
| Parameter | atom.sim | Grolo |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | Hans Kovi | FURIM Institutt |
In-app purchases
atom.sim
No in-app purchases
Grolo
No in-app purchases
