# CO2 Tracker vs JetsetIQ

The clearest difference is update cadence: JetsetIQ at every 2 weeks against CO2 Tracker's every 3 months. JetsetIQ also leads on ratings volume (18 vs 3). CO2 Tracker's advantage is iOS requirement (12.1 vs 15.0). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for CO2 Tracker against 4.9 for JetsetIQ. That said, the two scores are not equally well evidenced: JetsetIQ has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

CO2 Tracker ships an update every 3 months, JetsetIQ every 2 weeks. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CO2 Tracker | JetsetIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/co2-tracker/id1459765187/reviews)** | [4.9 (18 ratings)](https://appshunter.io/ios/app/jetsetiq/id1555787789/reviews) |
| Number of ratings | 3 | **18** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 113 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Madhu Raghavan](https://appshunter.io/developer/1459765186) | [9ine 2wo 5ive LLC](https://appshunter.io/developer/1555787791) |

## What reviewers say

### CO2 Tracker

[App page](https://appshunter.io/ios/app/co2-tracker/id1459765187)

Calculate the carbon dioxide output of your flights by entering your departure and arrival cities. Understand the environmental impact of your travel and make more responsible decisions to help protect the planet.

**Highlights:** Calculate flight CO2 output, Enter departure and arrival cities, Select from 40 aircraft types, Determine flight distance, View percentage of annual safe CO2 output

**Features:** macOS Compatibility

**In-app purchases:** none


### JetsetIQ

[App page](https://appshunter.io/ios/app/jetsetiq/id1555787789)

This app helps you monitor your air travel and calculate your carbon footprint. You can set personal goals to reduce your environmental impact and learn about climate change. It also offers options to purchase carbon offsets to neutralize your footprint.

**Highlights:** Track air travel, Quantify carbon footprint, Set reduction goals, Purchase carbon offsets, Learn about climate change

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is CO2 Tracker free?

CO2 Tracker is free to download, with no in-app purchases.

### Is JetsetIQ free?

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

### Which has better reviews, CO2 Tracker or JetsetIQ?

CO2 Tracker is rated higher. CO2 Tracker averages 5.0 out of 5 from 3 ratings, while JetsetIQ averages 4.9 from 18 ratings.

### Do CO2 Tracker or JetsetIQ have ads?

Neither CO2 Tracker nor JetsetIQ shows ads.

### Which is updated more often, CO2 Tracker or JetsetIQ?

CO2 Tracker ships an update every 3 months, and JetsetIQ every 2 weeks. Most recently, CO2 Tracker was updated on September 30, 2026 and JetsetIQ on October 15, 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.*