# Zero CO2 vs Algo Tranqui

The clearest difference is ads: Algo Tranqui at none against Zero CO2's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Zero CO2 sells 1 one-off in-app purchase and Algo Tranqui sells 2 in-app purchases, starting at $4.99 per 3 months. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Zero CO2 | Algo Tranqui |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/zero-co2-get-climate-neutral/id1534365588/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 20 MB |
| Requires iOS | **15.5** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Caramba App Development](https://appshunter.io/developer/349530108) | [CARLOS ANTONIO MURRIETA STEINMAN](https://appshunter.io/developer/1787441282) |

## What reviewers say

### Zero CO2

[App page](https://appshunter.io/ios/app/zero-co2-get-climate-neutral/id1534365588)

This app tracks your phone's carbon footprint from data usage and helps you offset emissions by planting trees. Monitor your CO2 output and see how your reforestation efforts compensate for it, receiving certificates for each planted tree.

**Highlights:** Monitors phone carbon footprint, Tracks CO2 emissions from data usage, Compensates emissions by planting trees, Visualizes CO2 emissions and tree compensation, Provides certificates for planted trees

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plant your tree | $0.99 | one-time |


### Algo Tranqui

[App page](https://appshunter.io/ios/app/algo-tranqui/id6748625305)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Algo Tranqui Premium | $4.99 | per 3 months |
| Algo Tranqui Premium | $17.99 | per year |


## Frequently asked questions

### Is Zero CO2 free?

Zero CO2 is free to download, with in-app purchases available.

### Is Algo Tranqui free?

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

### Do Zero CO2 or Algo Tranqui have ads?

Zero CO2 shows ads; Algo Tranqui does not.

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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.*