# Karbon vs AlmaPura

The clearest difference is in-app purchases: Karbon at none against AlmaPura's 1. Karbon also leads on update cadence (every 2 weeks vs every 5 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. AlmaPura sells 1 in-app purchase, starting at $2.99 per year. Karbon asks for nothing beyond the download.

Karbon ships an update every 2 weeks, AlmaPura every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Karbon | AlmaPura |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/karbon-x/id1673803570/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 91 MB | 68 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Karbon-X Project Inc.](https://appshunter.io/developer/1673803572) | [Gabor Balazs](https://appshunter.io/developer/1792187591) |

## 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


### AlmaPura

[App page](https://appshunter.io/ios/app/almapura/id6740913195)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $2.99 | per year |


## Frequently asked questions

### Is Karbon free?

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

### Is AlmaPura free?

AlmaPura is free to download, with in-app purchases available.

### Do Karbon or AlmaPura have ads?

Neither Karbon nor AlmaPura shows ads.

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

Karbon ships an update every 2 weeks, and AlmaPura every 5 months. Most recently, Karbon was updated on November 3, 2026 and AlmaPura on October 30, 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.*