# CloudLabs Energy Sources vs Direct Proportion

The clearest difference is iOS requirement: CloudLabs Energy Sources at 9.0 against Direct Proportion's 12.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CloudLabs Energy Sources | Direct Proportion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | — |
| Size | 70 MB | 50 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### CloudLabs Energy Sources

[App page](https://appshunter.io/ios/app/cloudlabs-energy-sources/id1633712508)

**Features:** macOS Compatibility

**In-app purchases:** none


### Direct Proportion

[App page](https://appshunter.io/ios/app/direct-proportion/id6736588837)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Energy Sources free?

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

### Is Direct Proportion free?

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

### Do CloudLabs Energy Sources or Direct Proportion have ads?

Neither CloudLabs Energy Sources nor Direct Proportion shows ads.

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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.*