# EcoHero vs Carbon Tracker US

The clearest difference is in-app purchases: Carbon Tracker US at none against EcoHero's 8. Carbon Tracker US also leads on ads (none vs shown). EcoHero's advantage is iOS requirement (12.0 vs 18.5). On price, update cadence and device support there is nothing between them.

Both are free to download. EcoHero sells 8 in-app purchases, starting at $1.99 per month. Carbon Tracker US asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EcoHero | Carbon Tracker US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (27 ratings)](https://appshunter.io/ios/app/ecohero-eco-activity-tracker/id1474213908/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 90.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 4 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BytePioneers s. r. o.](https://appshunter.io/developer/1474208184) | [Siqin Yu](https://appshunter.io/developer/1836378162) |

## What reviewers say

### EcoHero

[App page](https://appshunter.io/ios/app/ecohero-eco-activity-tracker/id1474213908)

Track your daily eco-friendly activities and visualize their positive impact on the environment. Learn sustainable living tips, reduce your footprint, and inspire others to join the movement.

**Highlights:** Track eco activities (meals, transport, plastic), Visualize water, land, CO2, and plastic savings, Eco Calendar for sustainable days, Learn about environmental impact of daily habits, Share activities and motivate others, Eat greener and reduce plastic waste, Travel eco-friendly

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GuardianHero Membership | $1.99 | per month |
| GuardianHero Membership | $2.99 | per month |
| GuardianHero Membership | $4.99 | per month |
| GuardianHero Membership | $9.99 | per month |
| GuardianHero Yearly Membership | $19.99 | per year |
| GuardianHero Yearly Membership | $29.99 | per year |
| GuardianHero Yearly Membership | $49.99 | per year |
| GuardianHero Yearly Membership | $99.99 | per year |


### 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 EcoHero free?

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

### Is Carbon Tracker US free?

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

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

EcoHero shows ads; Carbon Tracker US does not.

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

EcoHero ships an update monthly, and Carbon Tracker US monthly. Most recently, EcoHero was updated on November 3, 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.*