# OneCall by Unitel vs Security On

The clearest difference is update cadence: Security On at every 6 days against OneCall by Unitel's every 11 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.

OneCall by Unitel ships an update every 11 months, Security On every 6 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OneCall by Unitel | Security On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 days** |
| Size | 85 MB | 60 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Unitel Group](https://appshunter.io/developer/975081029) | [Badral Dashzeveg](https://appshunter.io/developer/1849879428) |

## What reviewers say

### OneCall by Unitel

[App page](https://appshunter.io/ios/app/onecall-by-unitel/id1641856592)

**Features:** Vision Pro support

**In-app purchases:** none


### Security On

[App page](https://appshunter.io/ios/app/security-on/id6754758796)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneCall by Unitel free?

OneCall by Unitel is free to download, with no in-app purchases.

### Is Security On free?

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

### Do OneCall by Unitel or Security On have ads?

Neither OneCall by Unitel nor Security On shows ads.

### Which is updated more often, OneCall by Unitel or Security On?

OneCall by Unitel ships an update every 11 months, and Security On every 6 days. Most recently, OneCall by Unitel was updated on October 5, 2026 and Security On on October 12, 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.*