# Maslow's vs Net Zero Challenge

Maslow's and Net Zero Challenge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Maslow's | Net Zero Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 156 MB | 66 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [37-41 Mortimer Opco Ltd](https://appshunter.io/developer/1457193674) | [Green Rewards Ltd](https://appshunter.io/developer/909021443) |

## What reviewers say

### Maslow's

[App page](https://appshunter.io/ios/app/maslows/id1438019575)

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

**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 Maslow's free?

Maslow's 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 Maslow's or Net Zero Challenge have ads?

Neither Maslow's nor Net Zero Challenge shows ads.

### Which is updated more often, Maslow's or Net Zero Challenge?

Maslow's ships an update every 2 months, and Net Zero Challenge every 2 months. Most recently, Maslow's was updated on October 3, 2026 and Net Zero Challenge on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*