# Advanced UC Softphone vs OBOA AMTS

Advanced UC Softphone and OBOA AMTS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Advanced UC Softphone | OBOA AMTS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 65 MB | 38 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [UnitedCloud Inc.](https://appshunter.io/developer/1183177448) | [Ontario Building Officials Association](https://appshunter.io/developer/1473320808) |

## What reviewers say

### Advanced UC Softphone

[App page](https://appshunter.io/ios/app/advanced-uc-softphone/id6736867045)

**In-app purchases:** none


### OBOA AMTS

[App page](https://appshunter.io/ios/app/oboa-amts/id6762288180)

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

**In-app purchases:** none


## Frequently asked questions

### Is Advanced UC Softphone free?

Advanced UC Softphone is free to download, with no in-app purchases.

### Is OBOA AMTS free?

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

### Do Advanced UC Softphone or OBOA AMTS have ads?

Neither Advanced UC Softphone nor OBOA AMTS shows ads.

### Which is updated more often, Advanced UC Softphone or OBOA AMTS?

Advanced UC Softphone ships an update every 2 months, and OBOA AMTS every 2 months. Most recently, Advanced UC Softphone was updated on October 30, 2026 and OBOA AMTS on October 31, 2026.

---

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