# CloudLabs How Do We Hear? vs GridMath

The clearest difference is in-app purchases: CloudLabs How Do We Hear? at none against GridMath's 3. CloudLabs How Do We Hear? also leads on iOS requirement (10.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. GridMath sells 3 one-off in-app purchases. CloudLabs How Do We Hear? asks for nothing beyond the download.

## The numbers

| Metric | CloudLabs How Do We Hear? | GridMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 325 MB | 34 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Wojciech Szczurek](https://appshunter.io/developer/1454681479) |

## What reviewers say

### CloudLabs How Do We Hear?

[App page](https://appshunter.io/ios/app/cloudlabs-how-do-we-hear/id6471000311)

**Features:** macOS Compatibility

**In-app purchases:** none


### GridMath

[App page](https://appshunter.io/ios/app/gridmath/id6754144816)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Tokens | $2.99 | one-time |
| 50 Tokens | $4.99 | one-time |
| 100 Tokens | $5.99 | one-time |


## Frequently asked questions

### Is CloudLabs How Do We Hear? free?

CloudLabs How Do We Hear? is free to download, with no in-app purchases.

### Is GridMath free?

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

### Do CloudLabs How Do We Hear? or GridMath have ads?

Neither CloudLabs How Do We Hear? nor GridMath 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.*