# On vs OSCE Countdown

The clearest difference is device support: On at 3 against OSCE Countdown's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. On sells 1 one-off in-app purchase and OSCE Countdown sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On ships an update weekly, OSCE Countdown every 9 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | On | OSCE Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | — |
| Size | 8 MB | 48 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mohsin Asad Sadiq](https://appshunter.io/developer/1896638622) | [Delta 60 Ltd](https://appshunter.io/developer/6784808337) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-call/id6769200317)

Manage on-call shifts and track medical jobs efficiently. Prioritize workload, generate handover summaries instantly, and ensure data privacy with local storage. Designed by a doctor for fast, secure use during busy shifts.

**Highlights:** Track urgent and routine jobs, Prioritize workload, Generate structured handover summaries, Secure local data storage, Face ID protection, Fast and intuitive interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $2.99 | one-time |


### OSCE Countdown

[App page](https://appshunter.io/ios/app/osce-countdown-exam-timer/id6798004834)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Exam Circuit | $9.99 | one-time |


## Frequently asked questions

### Is On free?

On is free to download, with in-app purchases available.

### Is OSCE Countdown free?

OSCE Countdown is free to download, with in-app purchases available.

### Do On or OSCE Countdown have ads?

Neither On nor OSCE Countdown shows ads.

### Which is updated more often, On or OSCE Countdown?

On ships an update weekly, and OSCE Countdown every 9 days. Most recently, On was updated on October 31, 2026 and OSCE Countdown on November 6, 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.*