# PSO vs ExamCountdown

The clearest difference is update cadence: ExamCountdown at every 2 months against PSO'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.

PSO ships an update every 15 months, ExamCountdown every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PSO | ExamCountdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 2 months** |
| Size | 43 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Staatlich anerkannte Physiotherapie-Schule Ortenau gGmbH](https://appshunter.io/developer/1045949845) | [AMADOU OURY CAMARA](https://appshunter.io/developer/1748625308) |

## What reviewers say

### PSO

[App page](https://appshunter.io/ios/app/pso/id1045949846)

**Features:** macOS Compatibility

**In-app purchases:** none


### ExamCountdown

[App page](https://appshunter.io/ios/app/examcountdown-exam-planner/id6757718487)

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

**In-app purchases:** none


## Frequently asked questions

### Is PSO free?

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

### Is ExamCountdown free?

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

### Do PSO or ExamCountdown have ads?

Both PSO and ExamCountdown show ads.

### Which is updated more often, PSO or ExamCountdown?

PSO ships an update every 15 months, and ExamCountdown every 2 months. Most recently, PSO was updated on October 7, 2026 and ExamCountdown on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*