# UB Founders vs APS Physiology

The clearest difference is update cadence: APS Physiology at fortnightly against UB Founders's every 15 months. 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.

UB Founders ships an update every 15 months, APS Physiology fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | UB Founders | APS Physiology |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Fortnightly** |
| Size | 27 MB | 87 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Newbird LLC](https://appshunter.io/developer/1480239393) | [American Physiological Society](https://appshunter.io/developer/1674934435) |

## What reviewers say

### UB Founders

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

**Features:** macOS Compatibility

**In-app purchases:** none


### APS Physiology

[App page](https://appshunter.io/ios/app/aps-physiology/id6759407893)

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

**In-app purchases:** none


## Frequently asked questions

### Is UB Founders free?

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

### Is APS Physiology free?

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

### Do UB Founders or APS Physiology have ads?

Neither UB Founders nor APS Physiology shows ads.

### Which is updated more often, UB Founders or APS Physiology?

UB Founders ships an update every 15 months, and APS Physiology fortnightly. Most recently, UB Founders was updated on October 25, 2026 and APS Physiology on October 24, 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.*