# KlimateNet vs D2O Learning

The clearest difference is update cadence: KlimateNet at every 3 weeks against D2O Learning's every 7 months. KlimateNet also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KlimateNet sells 4 in-app purchases, starting at $1.49 per month and D2O Learning sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

KlimateNet ships an update every 3 weeks, D2O Learning every 7 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | KlimateNet | D2O Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/klimatenet/id1608351496/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Freemium | — |
| Size | 120 MB | 85 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [KlimatelinK](https://appshunter.io/developer/1608351498) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### KlimateNet

[App page](https://appshunter.io/ios/app/klimatenet/id1608351496)

Connect with professionals globally to reduce CO2e emissions. This platform rewards users for interacting and taking action. It aims to foster a large-scale community focused on climate solutions.

**Highlights:** Global professional network, CO2e emission reduction focus, User engagement and rewards, Interactive community platform, Climate action initiatives

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FriendPlus | $1.49 | per month |
| Patron | $51.90 | per month |
| FriendPlus | $82.90 | per 6 months |
| Patron | $259.00 | per 6 months |


### D2O Learning

[App page](https://appshunter.io/ios/app/d2o-learning/id6480183589)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Team D2O Membership | $0.99 | one-time |
| GEM Certified Professional | $4.99 | one-time |


## Frequently asked questions

### Is KlimateNet free?

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

### Is D2O Learning free?

D2O Learning is free to download, with in-app purchases available.

### Do KlimateNet or D2O Learning have ads?

Neither KlimateNet nor D2O Learning shows ads.

### Which is updated more often, KlimateNet or D2O Learning?

KlimateNet ships an update every 3 weeks, and D2O Learning every 7 months. Most recently, KlimateNet was updated on October 9, 2026 and D2O Learning 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.*