# Spark for Unity Demo vs MeterTab

The clearest difference is in-app purchases: Spark for Unity Demo at none against MeterTab's 1. Spark for Unity Demo also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. MeterTab sells 1 one-off in-app purchase. Spark for Unity Demo asks for nothing beyond the download.

## The numbers

| Metric | Spark for Unity Demo | MeterTab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 87 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, Mac, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ludicon LLC](https://appshunter.io/developer/1707820408) | [PETER DONGO](https://appshunter.io/developer/1882004296) |

## What reviewers say

### Spark for Unity Demo

[App page](https://appshunter.io/ios/app/spark-for-unity-demo/id6773539249)

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

**In-app purchases:** none


### MeterTab

[App page](https://appshunter.io/ios/app/metertab-ai-usage/id6786290063)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MeterTab Pro | $19.99 | one-time |


## Frequently asked questions

### Is Spark for Unity Demo free?

Spark for Unity Demo is free to download, with no in-app purchases.

### Is MeterTab free?

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

### Do Spark for Unity Demo or MeterTab have ads?

Neither Spark for Unity Demo nor MeterTab 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.*