# swrm vs EcoTeen

The clearest difference is review sentiment: EcoTeen at 100% against swrm's 50%. EcoTeen also leads on rating (5.0 vs 4.3) and update cadence (every 4 months vs every 9 months). swrm's advantage is iOS requirement (10.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

EcoTeen holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 50% of swrm's written reviews are positive against 100% of EcoTeen's.

swrm ships an update every 9 months, EcoTeen every 4 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | swrm | EcoTeen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/swrm/id1437980734/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ecoteen/id6744132532/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 124 MB | 3 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greenswrm, Inc.](https://appshunter.io/developer/1483955354) | [Taranbirsingh Chadha](https://appshunter.io/developer/1806238222) |

## 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


### 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


## Frequently asked questions

### Is swrm free?

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

### Is EcoTeen free?

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

### Which has better reviews, swrm or EcoTeen?

EcoTeen is rated higher. swrm averages 4.3 out of 5 from 6 ratings, while EcoTeen averages 5.0 from 5 ratings.

### Do swrm or EcoTeen have ads?

Neither swrm nor EcoTeen shows ads.

### Which is updated more often, swrm or EcoTeen?

swrm ships an update every 9 months, and EcoTeen every 4 months. Most recently, swrm was updated on November 2, 2026 and EcoTeen 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.*