# Call Schedule vs On

The clearest difference is in-app purchases: On at none against Call Schedule's 5. On also leads on update cadence (every 6 days vs every 3 months). Call Schedule's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Call Schedule sells 4 one-off in-app purchases. On asks for nothing beyond the download.

Call Schedule ships an update every 3 months, On every 6 days. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Call Schedule | On |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (9 ratings)](https://appshunter.io/ios/app/call-schedule/id335902744/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 14 MB | 14 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AMC Logic LTD](https://appshunter.io/developer/324459682) | [Cesar Mejia Valero](https://appshunter.io/developer/1506871861) |

## What reviewers say

### Call Schedule

[App page](https://appshunter.io/ios/app/call-schedule/id335902744)

View physician call schedules prepared via a web account. Access your group's schedule on mobile devices using your account credentials. Suitable for physician groups and any team sharing on-call duties.

**Highlights:** View call schedules, Manual schedule preparation, Rule-based schedule generation, Web account integration, Mobile access, Supports physician groups

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Registration & Web Viewing | $0.99 | one-time |
| Renew for one month | $1.99 | one-time |
| Renew for three months | $3.99 | one-time |
| Renew for one year | $9.99 | one-time |


### On

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Call Schedule free?

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

### Is On free?

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

### Do Call Schedule or On have ads?

Neither Call Schedule nor On shows ads.

### Which is updated more often, Call Schedule or On?

Call Schedule ships an update every 3 months, and On every 6 days. Most recently, Call Schedule was updated on September 30, 2026 and On on September 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.*