# 71st MT Tax vs Envirothon24

71st MT Tax and Envirothon24 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | 71st MT Tax | Envirothon24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 15 MB | 17 MB |
| Requires iOS | **14.4** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The University of Montana](https://appshunter.io/developer/529597695) | [National Conservation Foundation, Inc.](https://appshunter.io/developer/1692980168) |

## What reviewers say

### 71st MT Tax

[App page](https://appshunter.io/ios/app/71st-mt-tax/id6464100567)

**Features:** macOS Compatibility

**In-app purchases:** none


### Envirothon24

[App page](https://appshunter.io/ios/app/envirothon24/id6504838721)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 71st MT Tax free?

71st MT Tax is free to download, with no in-app purchases.

### Is Envirothon24 free?

Envirothon24 is free to download, with no in-app purchases.

### Do 71st MT Tax or Envirothon24 have ads?

Neither 71st MT Tax nor Envirothon24 shows ads.

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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.*