# swrm vs Tree Canada Carbon Tracker

The clearest difference is review sentiment: swrm at 50% against Tree Canada Carbon Tracker's 0%. Tree Canada Carbon Tracker's advantage is update cadence (weekly vs every 9 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

swrm ships an update every 9 months, Tree Canada Carbon Tracker weekly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | swrm | Tree Canada Carbon Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/swrm/id1437980734/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free | Free |
| Size | 124 MB | 63 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Greenswrm, Inc.](https://appshunter.io/developer/1483955354) | [Fare Vostro Energy Solutions Inc.](https://appshunter.io/developer/1534405190) |

## What reviewers say

### swrm

[App page](https://appshunter.io/ios/app/swrm/id1437980734)

Track your carbon footprint and adopt a more sustainable lifestyle. This app offers a comprehensive calculator, educational resources, and community challenges to help you reduce your environmental impact. Monitor groceries, transportation, and household energy use.

**Highlights:** Carbon footprint calculator, Grocery barcode scanning, Vehicle and transportation tracking, Household appliance impact, Community challenges, Educational articles and videos

**Features:** macOS Compatibility

**In-app purchases:** none


### Tree Canada Carbon Tracker

[App page](https://appshunter.io/ios/app/tree-canada-carbon-tracker/id1607156176)

Monitor your daily commute, energy consumption, and dietary habits to understand and reduce your environmental impact. Engage with a community, join challenges, and discover personalized tips for a more sustainable lifestyle.

**Highlights:** Track commute, energy, and diet, Reduce carbon footprint, Personalized reduction tips, Community discussions, App contests and challenges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is swrm free?

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

### Is Tree Canada Carbon Tracker free?

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

### Do swrm or Tree Canada Carbon Tracker have ads?

Neither swrm nor Tree Canada Carbon Tracker shows ads.

### Which is updated more often, swrm or Tree Canada Carbon Tracker?

swrm ships an update every 9 months, and Tree Canada Carbon Tracker weekly. Most recently, swrm was updated on October 24, 2026 and Tree Canada Carbon Tracker on October 7, 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.*