# Karbon vs Carbonsaurus

The clearest difference is rating: Carbonsaurus at 5.0 against Karbon's 4.7. Karbon's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Carbonsaurus holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 15 and 7 respectively. Written reviews point the same way: 78% of Karbon's written reviews are positive against 80% of Carbonsaurus's.

Karbon ships an update every 2 weeks, Carbonsaurus every 3 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Karbon | Carbonsaurus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/karbon-x/id1673803570/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/carbonsaurus/id6683313622/reviews)** |
| Number of ratings | **15** | 7 |
| Positive reviews | 77.8% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 91 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Karbon-X Project Inc.](https://appshunter.io/developer/1673803572) | [Aiden Seibel](https://appshunter.io/developer/1768543229) |

## What reviewers say

### Karbon

[App page](https://appshunter.io/ios/app/karbon-x/id1673803570)

This app allows environmentally conscious individuals and businesses to support clean energy and eco-friendly initiatives. Users can contribute to projects like tree planting and ocean de-acidification, track their impact, and receive achievement badges. Offset plans can be switched or canceled, with payments charged monthly or annually.

**Highlights:** Support tree planting and carbon reduction projects, Receive achievement badges, Switch supported projects, Attend eco-friendly events, Calculate carbon footprint, Monthly and annual offset plans

**Features:** Apple Wallet

**In-app purchases:** none


### Carbonsaurus

[App page](https://appshunter.io/ios/app/carbonsaurus/id6683313622)

Track your daily carbon footprint with a virtual pet dinosaur. Log emissions, learn about climate change through quizzes, and customize your dino with earned points. Keep your pet happy by reducing your environmental impact.

**Highlights:** Daily carbon emission logging, Virtual pet dinosaur companion, Climate change news and quizzes, Dinosaur customization with points, Mood-based dinosaur interaction, Learn about environmental impact

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Karbon free?

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

### Is Carbonsaurus free?

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

### Which has better reviews, Karbon or Carbonsaurus?

Carbonsaurus is rated higher. Karbon averages 4.7 out of 5 from 15 ratings, while Carbonsaurus averages 5.0 from 7 ratings.

### Do Karbon or Carbonsaurus have ads?

Neither Karbon nor Carbonsaurus shows ads.

### Which is updated more often, Karbon or Carbonsaurus?

Karbon ships an update every 2 weeks, and Carbonsaurus every 3 weeks. Most recently, Karbon was updated on October 17, 2026 and Carbonsaurus 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.*