# OneCall by Unitel vs Call24

The clearest difference is update cadence: Call24 at every 4 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, Call24 every 4 days. The most recent releases landed on August 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OneCall by Unitel | Call24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Size | 85 MB | 122 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Unitel Group](https://appshunter.io/developer/975081029) | [Boldbaatar Dagvadorj](https://appshunter.io/developer/1102279614) |

## 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


### Call24

[App page](https://appshunter.io/ios/app/call24/id6744170245)

**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 Call24 free?

Call24 is free to download, with no in-app purchases.

### Do OneCall by Unitel or Call24 have ads?

Neither OneCall by Unitel nor Call24 shows ads.

### Which is updated more often, OneCall by Unitel or Call24?

OneCall by Unitel ships an update every 11 months, and Call24 every 4 days. Most recently, OneCall by Unitel was updated on August 13, 2026 and Call24 on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*