# The Sustainer vs Greentron Mobility

The clearest difference is device support: The Sustainer at 3 against Greentron Mobility's —. On price, in-app purchases and iOS requirement 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 | The Sustainer | Greentron Mobility |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 8 months | — |
| Size | 64 MB | 60 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [ENVO-SUSTAINER PRIVATE LIMITED](https://appshunter.io/developer/1680880040) | [Kazam EV Tech Pvt. Ltd.](https://appshunter.io/developer/1563868547) |

## What reviewers say

### The Sustainer

[App page](https://appshunter.io/ios/app/the-sustainer/id6447298071)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Greentron Mobility

[App page](https://appshunter.io/ios/app/greentron-mobility/id6449521418)

**In-app purchases:** none


## Frequently asked questions

### Is The Sustainer free?

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

### Is Greentron Mobility free?

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

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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.*