Comparison

Net Zero Challenge vs Footprint Challenge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Net Zero Challenge

Get rewarded on the go!

Verklein je voetafdruk!

Free

🌟 Lifestyle

No ratingsView app →

About

Net Zero Challenge

Features

Read full description

This app is the companion for The Net Zero Challenge programme, designed to reward you for taking positive sustainability and wellbeing actions. With this app you will be able to earn Green Points for your actions in themes including Engagement, Sustainable Travel, Energy Saving, Waste & Recycling and Wellbeing. You can make submissions, opt into activities and earn Green Points as well as view leader boards and enter your weekly achievements.

About

Footprint Challenge

Features

Read full description

Engage your employees in sustainability for maximum impact! The Footprint Challenge offers sustainability programmes for organisations. Discover how easy & fun a sustainable life can be. Take concrete actions, compete in teams and make a positive impact together. Is your organisation participating in a Footprint Challenge? Download the app and get started! Or reach out to info@footprintchallenge.org for more information on our (custom) programmes.

Screenshots

Net Zero Challenge4 screens

Footprint Challenge3 screens

Verdict

The call

The clearest difference is iOS requirement: Footprint Challenge at 11.4 against Net Zero Challenge's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 4, 2026 and December 21, 2025 respectively.

Scorecard1 real difference · 5 level

Net Zero Challenge versus Footprint Challenge: the parameters behind the verdict, then further details
Parameter	Net Zero Challenge	Footprint Challenge
Price	Free	Free
Update frequency	Every 2 months	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.1	11.4 — better
Further details — not scored
Size	55 MB	44 MB
Age rating	17+	4+
Developer	Green Rewards Ltd	E-vontuur

In-app purchases

None

Net Zero Challenge

No in-app purchases

None

Footprint Challenge

No in-app purchases

Questions

Is Net Zero Challenge free?

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

Is Footprint Challenge free?

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

Do Net Zero Challenge or Footprint Challenge have ads?

Neither Net Zero Challenge nor Footprint Challenge shows ads.

Which is updated more often, Net Zero Challenge or Footprint Challenge?

Net Zero Challenge ships an update every 2 months, and Footprint Challenge every 2 months. Most recently, Net Zero Challenge was updated on August 4, 2026 and Footprint Challenge on December 21, 2025.