# NimbusPhone vs Origin Duct Calculator

NimbusPhone and Origin Duct Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | NimbusPhone | Origin Duct Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (22 ratings)](https://appshunter.io/ios/app/nimbusphone/id1217047953/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 102 MB | 28 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UCAPPS LLC](https://appshunter.io/developer/1217047952) | [JEREMIAH RICHARD WANN](https://appshunter.io/developer/6812904847) |

## What reviewers say

### NimbusPhone

[App page](https://appshunter.io/ios/app/nimbusphone/id1217047953)

Manage your business phone system on the go. Make VoIP calls, use your business number as caller ID, and keep business voicemails separate. Integrates with cloud systems for advanced call management.

**Highlights:** Business number as Caller ID, VoIP calls over Wi-Fi, International VoIP calling, Separate business voicemails, Access company extensions, Cloud phone system integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Origin Duct Calculator

[App page](https://appshunter.io/ios/app/origin-duct-calculator/id6812904845)

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

**In-app purchases:** none


## Frequently asked questions

### Is NimbusPhone free?

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

### Is Origin Duct Calculator free?

Origin Duct Calculator is free to download, with no in-app purchases.

### Do NimbusPhone or Origin Duct Calculator have ads?

Neither NimbusPhone nor Origin Duct Calculator shows ads.

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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.*