# Eco Tag vs Energy Transformers

The clearest difference is update cadence: Energy Transformers at every 3 days against Eco Tag's every 9 months. Energy Transformers also leads on iOS requirement (12.0 vs 14.0). 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.

Eco Tag ships an update every 9 months, Energy Transformers every 3 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Eco Tag | Energy Transformers |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 152 MB | 258 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [arludo Pty Ltd](https://appshunter.io/developer/1023251086) | [Chaos Theory Games](https://appshunter.io/developer/1129029720) |

## What reviewers say

### Eco Tag

[App page](https://appshunter.io/ios/app/eco-tag/id1204021007)

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

**In-app purchases:** none


### Energy Transformers

[App page](https://appshunter.io/ios/app/energy-transformers/id6465132278)

An educational game where players explore Australia to learn about renewable energy, air pollution, and climate solutions. Team up with a character from the future to make choices that reduce pollution and power the country sustainably.

**Highlights:** Learn about renewable energy, Explore Australia virtually, Understand climate solutions, Answer multiple-choice challenges, Collect fast facts and news nuggets, Make sustainable energy choices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eco Tag free?

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

### Is Energy Transformers free?

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

### Do Eco Tag or Energy Transformers have ads?

Neither Eco Tag nor Energy Transformers shows ads.

### Which is updated more often, Eco Tag or Energy Transformers?

Eco Tag ships an update every 9 months, and Energy Transformers every 3 days. Most recently, Eco Tag was updated on November 2, 2026 and Energy Transformers on November 3, 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.*