# On vs MedCal

The clearest difference is in-app purchases: On at none against MedCal's 3. On also leads on update cadence (every 6 days vs every 4 months). MedCal's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. MedCal sells 3 in-app purchases, starting at $2.99 per month. On asks for nothing beyond the download.

On ships an update every 6 days, MedCal every 4 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | On | MedCal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Size | 14 MB | 25 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cesar Mejia Valero](https://appshunter.io/developer/1506871861) | [Paul Contreras](https://appshunter.io/developer/1818750645) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-call-schedule-lite/id6468896281)

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

**In-app purchases:** none


### MedCal

[App page](https://appshunter.io/ios/app/medcal-shift-work-calendar/id6749366078)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Access | $2.99 | per month |
| Pro Yearly Access | $14.99 | per year |
| Pro Lifetime Access | $29.99 | one-time |


## Frequently asked questions

### Is On free?

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

### Is MedCal free?

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

### Do On or MedCal have ads?

Neither On nor MedCal shows ads.

### Which is updated more often, On or MedCal?

On ships an update every 6 days, and MedCal every 4 months. Most recently, On was updated on October 25, 2026 and MedCal on October 28, 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.*