CloudLabs Chemical Reactions vs Ka
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CloudLabs Chemical Reactions
This educational simulator recreates a chemistry lab environment for users to practice chemical reactions. It allows for the preparation of solutions and analysis of corrosive power using various substances and equipment.
- Virtual chemistry laboratory simulation
- Preparation of potassium dichromate and sodium hydroxide solutions
- Analysis of hydrochloric acid's corrosive power
- Identification of reaction types (endothermic, exothermic, metal)
- Includes essential lab equipment and chemicals
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In this practice, a solution of potassium dichromate and another with sodium hydroxide must be prepared. For the development of this practice, the corrosive power of the hydrochloric acid used in a machine must be analyzed and the type of reactions (endothermic, exothermic and metal) that occur must be identified. The simulator recreates a chemistry laboratory with hydrochloric acid, sodium hydroxide, water, potassium dichromate, a metal bar, a lighter, and a beaker, among other necessary elements.
Ka
This educational app makes learning about economics and finance engaging for students. It features a quiz-based system where users earn virtual coins to practice stock trading in a simulated environment. The coins are purely for educational purposes and cannot be used in real-world transactions.
- Economics and finance education
- Fun quiz-based learning
- Virtual stock trading simulation
- Earn virtual coins
- Educational purpose only
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Ka-Ching is an educational app in order to helping students to understand economics and finance in a fun way. The main function is the quiz. Users will earn coins as virtual trading funds to trade stock. However, all the coins are used for educational purpose and they are not supposed to be used in real life situation.
Screenshots
Verdict
The clearest difference is rating: Ka at 5.0 against CloudLabs Chemical Reactions's 2.3. Ka also leads on update cadence (monthly vs every 28 months). CloudLabs Chemical Reactions's advantage is ratings volume (3 vs 1) and iOS requirement (9.0 vs 15.5). On price, ads, in-app purchases and monetization model 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.
Ka holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
CloudLabs Chemical Reactions ships an update every 28 months, Ka monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | CloudLabs Chemical Reactions | Ka |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 28 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 78 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiovany Orozco | Yifan Du |
Customer experience
CloudLabs Chemical Reactions
Ka
In-app purchases
CloudLabs Chemical Reactions
No in-app purchases
Ka
No in-app purchases
Questions
Is CloudLabs Chemical Reactions free?
Is Ka free?
Which has better reviews, CloudLabs Chemical Reactions or Ka?
Do CloudLabs Chemical Reactions or Ka have ads?
Which is updated more often, CloudLabs Chemical Reactions or Ka?
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