# UB Founders vs Frontier CSD

The clearest difference is update cadence: Frontier CSD at every 7 months against UB Founders's every 15 months. UB Founders's advantage is device support (3 vs 1). On price, ads, 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.

UB Founders ships an update every 15 months, Frontier CSD every 7 months. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | UB Founders | Frontier CSD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Size | 27 MB | 148 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Newbird LLC](https://appshunter.io/developer/1480239393) | [Frontier Central School District](https://appshunter.io/developer/1437840109) |

## What reviewers say

### UB Founders

[App page](https://appshunter.io/ios/app/ub-founders/id1574361137)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frontier CSD

[App page](https://appshunter.io/ios/app/frontier-csd/id6746137343)

**In-app purchases:** none


## Frequently asked questions

### Is UB Founders free?

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

### Is Frontier CSD free?

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

### Do UB Founders or Frontier CSD have ads?

Neither UB Founders nor Frontier CSD shows ads.

### Which is updated more often, UB Founders or Frontier CSD?

UB Founders ships an update every 15 months, and Frontier CSD every 7 months. Most recently, UB Founders was updated on October 25, 2026 and Frontier CSD on October 13, 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.*