# NetZero Man vs Dragonfly

The clearest difference is update cadence: Dragonfly at fortnightly against NetZero Man's every 3 months. NetZero Man's advantage is iOS requirement (12.0 vs 15.1). 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.

NetZero Man ships an update every 3 months, Dragonfly fortnightly. The most recent releases landed on July 4, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | NetZero Man | Dragonfly |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 61 MB | 106 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [THAILAND GREENHOUSE GAS MANAGEMENT ORGANIZATION](https://appshunter.io/developer/938564036) | [GISTDA](https://appshunter.io/developer/1046208414) |

## What reviewers say

### NetZero Man

[App page](https://appshunter.io/ios/app/netzero-man/id938564037)

Calculate the carbon footprint of products, services, and organizations. Raise awareness of greenhouse gas emissions from daily activities to encourage sustainable shopping habits and combat climate change.

**Highlights:** Carbon footprint calculation, Product footprint analysis, Service footprint analysis, Organization footprint analysis, Greenhouse gas emission awareness, Sustainable shopping guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### Dragonfly

[App page](https://appshunter.io/ios/app/dragonfly/id1668939031)

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

**In-app purchases:** none


## Frequently asked questions

### Is NetZero Man free?

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

### Is Dragonfly free?

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

### Do NetZero Man or Dragonfly have ads?

Neither NetZero Man nor Dragonfly shows ads.

### Which is updated more often, NetZero Man or Dragonfly?

NetZero Man ships an update every 3 months, and Dragonfly fortnightly. Most recently, NetZero Man was updated on July 4, 2026 and Dragonfly on September 2, 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.*