# QID vs Your Carbon

The clearest difference is update cadence: Your Carbon at every 5 days against QID's monthly. QID's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, 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.

QID ships an update monthly, Your Carbon every 5 days. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | QID | Your Carbon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free |
| Size | 34 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Manu Arya](https://appshunter.io/developer/1629041781) | [William Handoko](https://appshunter.io/developer/1744338181) |

## What reviewers say

### QID

[App page](https://appshunter.io/ios/app/qid-quick-id/id1629041779)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Your Carbon

[App page](https://appshunter.io/ios/app/your-carbon/id6736707759)

This app helps you understand and reduce your environmental impact by calculating your carbon emissions from daily activities like electricity use, fuel consumption, and plastic waste. It provides insights and tips to help you live more sustainably.

**Highlights:** Electricity usage tracking, Plastic waste monitoring, Fuel consumption calculation, LPG usage monitoring, Personal emission calculator, Tips for reducing energy waste

**In-app purchases:** none


## Frequently asked questions

### Is QID free?

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

### Is Your Carbon free?

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

### Do QID or Your Carbon have ads?

Neither QID nor Your Carbon shows ads.

### Which is updated more often, QID or Your Carbon?

QID ships an update monthly, and Your Carbon every 5 days. Most recently, QID was updated on October 27, 2026 and Your Carbon on November 4, 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.*