Radioactive Decay Simulator vs CloudLabs Linear Motion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Radioactive Decay Simulator
This educational tool simulates radioactive decay for a group of atoms. Users can choose preset atoms or input custom half-lives to observe decay in real-time graphs. The simulator allows for adjustments in atom count and speed for efficient analysis.
- Emulates radioactive decay
- Select preset or custom atoms
- Adjust atom count
- Real-time decay graphs
- Adjustable simulation speed
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The Radioactive Decay Simulator emulates the radioactive decay of a group of like atoms. Users are able to select from a range of preset atoms, or enter the half-life of a specific atom that they wish to simulate. By adjusting the number of atoms, users are able to determine how even with a large number of atoms, the randomness of radioactive decay can be modeled. Users are able to observe the both number of decayed atoms as well as the number of non-decayed atoms remaining in a real time graph. The simulator can be sped up to allow atoms with a longer half-life to be analyzed quickly.
CloudLabs Linear Motion
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In this simulator it is possible to study uniform rectilinear motion. For the development of this practice, the student has an air rail with a mobile, an air pump to eliminate friction, sensors to detect movement and a screen that shows the instantaneous measurements of the movement. It is necessary to configure the air rail to be able to travel a certain distance in a certain time.
Screenshots
Verdict
Radioactive Decay Simulator and CloudLabs Linear Motion are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Radioactive Decay Simulator ships an update every 17 months, CloudLabs Linear Motion every 20 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.
| Parameter | Radioactive Decay Simulator | CloudLabs Linear Motion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 17 months — better | Every 20 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 | 9.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 69 MB |
| Age rating | 4+ | 17+ |
| Developer | Alistair Shaw | Jiovany Orozco |
In-app purchases
Radioactive Decay Simulator
No in-app purchases
CloudLabs Linear Motion
No in-app purchases
Questions
Is Radioactive Decay Simulator free?
Is CloudLabs Linear Motion free?
Do Radioactive Decay Simulator or CloudLabs Linear Motion have ads?
Which is updated more often, Radioactive Decay Simulator or CloudLabs Linear Motion?
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