# nAble OnCall vs On

The clearest difference is update cadence: On at every 6 days against nAble OnCall's every 14 months. nAble OnCall's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

nAble OnCall ships an update every 14 months, On every 6 days. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | nAble OnCall | On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 days** |
| Size | 29 MB | 14 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nth Technologies](https://appshunter.io/developer/840077009) | [Cesar Mejia Valero](https://appshunter.io/developer/1506871861) |

## What reviewers say

### nAble OnCall

[App page](https://appshunter.io/ios/app/nable-oncall/id985331983)

**In-app purchases:** none


### 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 nAble OnCall free?

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

### Is On free?

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

### Do nAble OnCall or On have ads?

Neither nAble OnCall nor On shows ads.

### Which is updated more often, nAble OnCall or On?

nAble OnCall ships an update every 14 months, and On every 6 days. Most recently, nAble OnCall was updated on September 9, 2026 and On on September 10, 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.*