# PlanetPal vs CarbonFlow CO₂ Tracker

The clearest difference is update cadence: CarbonFlow CO₂ Tracker at every 9 days against PlanetPal's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

PlanetPal ships an update every 3 weeks, CarbonFlow CO₂ Tracker every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PlanetPal | CarbonFlow CO₂ Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/planetpal-carbon-tracker/id6469002691/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 31 MB | 65 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KNS Technologies Pvt Ltd](https://appshunter.io/developer/507094213) | [ANTONIO MARTINEZ GUEROLA](https://appshunter.io/developer/1676113785) |

## What reviewers say

### PlanetPal

[App page](https://appshunter.io/ios/app/planetpal-carbon-tracker/id6469002691)

This app helps you monitor your environmental impact by answering simple questions about your lifestyle. Engage in challenges, earn points, and climb the leaderboard to become a top eco-conscious user.

**Highlights:** Carbon emission tracking, Lifestyle-based questions, Interactive challenges, Point collection system, Leaderboard competition, User leveling system

**Features:** macOS Compatibility

**In-app purchases:** none


### CarbonFlow CO₂ Tracker

[App page](https://appshunter.io/ios/app/carbonflow-co-tracker/id6751472554)

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

**In-app purchases:** none


## Frequently asked questions

### Is PlanetPal free?

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

### Is CarbonFlow CO₂ Tracker free?

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

### Do PlanetPal or CarbonFlow CO₂ Tracker have ads?

Neither PlanetPal nor CarbonFlow CO₂ Tracker shows ads.

### Which is updated more often, PlanetPal or CarbonFlow CO₂ Tracker?

PlanetPal ships an update every 3 weeks, and CarbonFlow CO₂ Tracker every 9 days. Most recently, PlanetPal was updated on November 3, 2026 and CarbonFlow CO₂ Tracker on October 31, 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.*