# Anzan19x19 vs GreenScore!

The clearest difference is ads: GreenScore! at none against Anzan19x19's shown. Anzan19x19's advantage is update cadence (every 3 days vs every 3 months) and iOS requirement (12.0 vs 15.1). On price, 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.

Anzan19x19 ships an update every 3 days, GreenScore! every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Anzan19x19 | GreenScore! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/greenscore/id6743688819/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | — | Free |
| Size | 38 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hajime Hotaka](https://appshunter.io/developer/1495063369) | [CS For Climate](https://appshunter.io/developer/1804001555) |

## What reviewers say

### Anzan19x19

[App page](https://appshunter.io/ios/app/anzan19x19/id1495063370)

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenScore!

[App page](https://appshunter.io/ios/app/greenscore/id6743688819)

This app helps you live more sustainably by tracking eco-friendly actions and their impact on CO₂ reduction. Earn points, set goals, and compete with friends to build lasting green habits.

**Highlights:** Log eco-friendly actions, Track CO₂ savings, Set daily goals, Compete with friends, Progress tracking, Social inspiration

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

**In-app purchases:** none


## Frequently asked questions

### Is Anzan19x19 free?

Anzan19x19 is free to download, with no in-app purchases.

### Is GreenScore! free?

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

### Do Anzan19x19 or GreenScore! have ads?

Anzan19x19 shows ads; GreenScore! does not.

### Which is updated more often, Anzan19x19 or GreenScore!?

Anzan19x19 ships an update every 3 days, and GreenScore! every 3 months. Most recently, Anzan19x19 was updated on November 7, 2026 and GreenScore! on October 30, 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.*