# EcoTeen vs Carbon Tracker US

The clearest difference is update cadence: Carbon Tracker US at monthly against EcoTeen's every 4 months. EcoTeen's advantage is iOS requirement (16.0 vs 18.5). 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.

EcoTeen ships an update every 4 months, Carbon Tracker US monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EcoTeen | Carbon Tracker US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ecoteen/id6744132532/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 3 MB | 4 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Taranbirsingh Chadha](https://appshunter.io/developer/1806238222) | [Siqin Yu](https://appshunter.io/developer/1836378162) |

## What reviewers say

### EcoTeen

[App page](https://appshunter.io/ios/app/ecoteen/id6744132532)

This app helps young people understand and reduce their environmental impact. It features a built-in carbon calculator tailored for teens, tracks footprint over time with insights, and offers personalized eco-friendly tips.

**Highlights:** Teen-tailored carbon calculator, Footprint tracking with graphs, Personalized eco-tips, Understand environmental impact, Track habits easily

**Features:** macOS Compatibility

**In-app purchases:** none


### Carbon Tracker US

[App page](https://appshunter.io/ios/app/carbon-tracker-us/id6751712815)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EcoTeen free?

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

### Is Carbon Tracker US free?

Carbon Tracker US is free to download, with no in-app purchases.

### Do EcoTeen or Carbon Tracker US have ads?

Neither EcoTeen nor Carbon Tracker US shows ads.

### Which is updated more often, EcoTeen or Carbon Tracker US?

EcoTeen ships an update every 4 months, and Carbon Tracker US monthly. Most recently, EcoTeen was updated on October 24, 2026 and Carbon Tracker US on October 30, 2026.

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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.*