# swrm vs Carbon Checkout

The clearest difference is review sentiment: Carbon Checkout at 100% against swrm's 50%. Carbon Checkout also leads on rating (5.0 vs 4.3). swrm's advantage is ratings volume (6 vs 1) and iOS requirement (10.0 vs 16.0). 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.

Carbon Checkout holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: swrm has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of swrm's written reviews are positive against 100% of Carbon Checkout's.

## The numbers

| Metric | swrm | Carbon Checkout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/swrm/id1437980734/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/carbon-checkout/id6745761946/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Free | Free |
| Size | 124 MB | 53 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greenswrm, Inc.](https://appshunter.io/developer/1483955354) | [Elizabeth Johnson](https://appshunter.io/developer/1797563011) |

## 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


### Carbon Checkout

[App page](https://appshunter.io/ios/app/carbon-checkout/id6745761946)

Track the environmental impact of your purchases by scanning receipts. Get insights into your carbon footprint, nutrition scores, and category breakdowns to make more sustainable shopping choices.

**Highlights:** Scan receipts with AI, Track carbon footprint, Get nutrition scores, Analyze category impact, Compare to global averages, Discover eco-alternatives

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is swrm free?

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

### Is Carbon Checkout free?

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

### Which has better reviews, swrm or Carbon Checkout?

Carbon Checkout is rated higher. swrm averages 4.3 out of 5 from 6 ratings, while Carbon Checkout averages 5.0 from 1 ratings.

### Do swrm or Carbon Checkout have ads?

Neither swrm nor Carbon Checkout shows ads.

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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.*