# Nemerald vs Callifi UCaaS

The clearest difference is iOS requirement: Nemerald at 11.0 against Callifi UCaaS's 15.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Nemerald against 5.0 for Callifi UCaaS. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Nemerald | Callifi UCaaS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nemerald/id1607586125/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/callifi-ucaas/id6740716419/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 80 MB | 66 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEMERALD LLC](https://appshunter.io/developer/1607586277) | [Callifi LLC](https://appshunter.io/developer/1513886700) |

## What reviewers say

### Nemerald

[App page](https://appshunter.io/ios/app/nemerald/id1607586125)

This app provides a comprehensive unified communications solution for teams, enabling seamless collaboration through video calls, audio conferences, and group chats. It securely organizes remote work, maintains business identity for calls, and ensures high-quality, encrypted communication even with unstable internet.

**Highlights:** Team collaboration tools, Video and audio conferencing, Group chats and channels, File sharing, External calling with corporate identity, Encrypted calls and messages

**In-app purchases:** none


### Callifi UCaaS

[App page](https://appshunter.io/ios/app/callifi-ucaas/id6740716419)

This app provides a comprehensive unified communications solution for teams, enabling seamless collaboration with features like video calls, group chats, and file sharing. It facilitates remote work by allowing external calls with corporate identity and offers enhanced connectivity and security for business communications.

**Highlights:** Team collaboration tools, Video and audio conferencing, Group chat and channels, File sharing, External calling with corporate identity, Contact profiles and communication history, Encrypted calls and messages

**In-app purchases:** none


## Frequently asked questions

### Is Nemerald free?

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

### Is Callifi UCaaS free?

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

### Which has better reviews, Nemerald or Callifi UCaaS?

Nemerald and Callifi UCaaS are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Nemerald or Callifi UCaaS have ads?

Neither Nemerald nor Callifi UCaaS shows ads.

### Which is updated more often, Nemerald or Callifi UCaaS?

Nemerald ships an update every 2 months, and Callifi UCaaS every 2 months. Most recently, Nemerald was updated on October 24, 2026 and Callifi UCaaS on October 17, 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.*