# CivicDollars vs Net Zero Challenge

The clearest difference is ads: Net Zero Challenge at none against CivicDollars's shown. Net Zero Challenge also leads on update cadence (every 2 months vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CivicDollars ships an update every 6 months, Net Zero Challenge every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CivicDollars | Net Zero Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/civicdollars/id1465977092/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 42 MB | 66 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Moai Digital Ltd](https://appshunter.io/developer/1465977091) | [Green Rewards Ltd](https://appshunter.io/developer/909021443) |

## What reviewers say

### CivicDollars

[App page](https://appshunter.io/ios/app/civicdollars/id1465977092)

Earn rewards by spending time in designated parks and donate them to local community groups. Report park issues and check real-time park busyness for social distancing. Discover new parks and their earning potential.

**Highlights:** Earn rewards by visiting parks, Donate rewards to community groups, Report park issues, Check real-time park busyness, Discover new parks and earning values, GPS tracking within designated zones

**Features:** macOS Compatibility

**In-app purchases:** none


### Net Zero Challenge

[App page](https://appshunter.io/ios/app/net-zero-challenge/id1541830052)

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

**In-app purchases:** none


## Frequently asked questions

### Is CivicDollars free?

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

### Is Net Zero Challenge free?

Net Zero Challenge is free to download, with no in-app purchases.

### Do CivicDollars or Net Zero Challenge have ads?

CivicDollars shows ads; Net Zero Challenge does not.

### Which is updated more often, CivicDollars or Net Zero Challenge?

CivicDollars ships an update every 6 months, and Net Zero Challenge every 2 months. Most recently, CivicDollars was updated on October 20, 2026 and Net Zero Challenge on October 24, 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.*