# CloudLabs vs ChemSpark

The clearest difference is in-app purchases: CloudLabs at none against ChemSpark's 5. CloudLabs also leads on ads (none vs shown) and update cadence (daily vs monthly). On price and device support there is nothing between them.

Both are free to download. ChemSpark sells 5 one-off in-app purchases. CloudLabs asks for nothing beyond the download.

CloudLabs ships an update daily, ChemSpark monthly. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | CloudLabs | ChemSpark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/chemspark-chemistry-practice/id6746169230/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 68 MB | 43 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Lojas Software Corp](https://appshunter.io/developer/1799458054) |

## What reviewers say

### CloudLabs

[App page](https://appshunter.io/ios/app/cloudlabs-balanced-forces/id1634231265)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChemSpark

[App page](https://appshunter.io/ios/app/chemspark-chemistry-practice/id6746169230)

Master chemistry concepts and prepare for exams with this comprehensive study tool. It offers a dynamic way to test knowledge across various topics, featuring diverse question types, visual learning aids, and detailed feedback to track progress and improve understanding.

**Highlights:** Extensive question bank with varying difficulty, Multiple question types (multiple-choice, fill-in-the-blank), Visual learning aids with images and diagrams, Detailed feedback and answer explanations, Structured learning by subject and topic, Progress tracking and score monitoring, Interactive testing interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Test Tube of Hints (25) | $0.99 | one-time |
| Combustion Skips (5) | $0.99 | one-time |
| Atomic Skips (15) | $1.99 | one-time |
| Beaker of Hints (60) | $2.99 | one-time |
| Flask of Hints (150) | $4.99 | one-time |


## Frequently asked questions

### Is CloudLabs free?

CloudLabs is free to download, with no in-app purchases.

### Is ChemSpark free?

ChemSpark is free to download, with in-app purchases available.

### Do CloudLabs or ChemSpark have ads?

ChemSpark shows ads; CloudLabs does not.

### Which is updated more often, CloudLabs or ChemSpark?

CloudLabs ships an update daily, and ChemSpark monthly. Most recently, CloudLabs was updated on October 3, 2026 and ChemSpark on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*