# Mother Lode USD vs LUHS Thunderbirds

The clearest difference is update cadence: LUHS Thunderbirds at every 24 months against Mother Lode USD's every 54 months. On price, in-app purchases and iOS requirement there is nothing between them.

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

Mother Lode USD ships an update every 54 months, LUHS Thunderbirds every 24 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Mother Lode USD | LUHS Thunderbirds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 54 months | **Every 24 months** |
| Size | 145 MB | 143 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Mother Lode Union School District](https://appshunter.io/developer/1604452709) | [Lakeland Union High School, WI](https://appshunter.io/developer/1758779115) |

## What reviewers say

### Mother Lode USD

[App page](https://appshunter.io/ios/app/mother-lode-usd/id1604452707)

**In-app purchases:** none


### LUHS Thunderbirds

[App page](https://appshunter.io/ios/app/luhs-thunderbirds/id6567050890)

**In-app purchases:** none


## Frequently asked questions

### Is Mother Lode USD free?

Mother Lode USD is free to download, with no in-app purchases.

### Is LUHS Thunderbirds free?

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

### Which is updated more often, Mother Lode USD or LUHS Thunderbirds?

Mother Lode USD ships an update every 54 months, and LUHS Thunderbirds every 24 months. Most recently, Mother Lode USD was updated on October 7, 2026 and LUHS Thunderbirds on October 7, 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.*