Nemerald vs Callifi UCaaS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nemerald
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.
- Team collaboration tools
- Video and audio conferencing
- Group chats and channels
- File sharing
- External calling with corporate identity
- Encrypted calls and messages
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With Nemerald apps you and your team members can stay connected and more productive on the go while keeping your extension with you, wherever you are. What our mobile apps bring to your team: **Complete UC solution that works with your Nemerald accounts** • Collaborate with your team wherever you are. • Make video calls, organize audio conferences and group chats, create public channels, share files, and much more. **Easily and securely organize remote work for your employees** • Dial external numbers using corporate identity/phone numbers. Receive calls through your office extension. • Keep track of your business communications with the detailed customer profiles and history of communications organized by each contact. **Enhanced connectivity and call quality even with an unstable internet connection** • With push notifications you can stay connected anywhere you are while providing outstanding customer service. • Nemerald enhances the connectivity and the quality of voice by implementing the best-in-class audio codecs. **Keeps your conversations and data secure.** • Nemerald apps provide encryption for calls, messages, and data by default using the strongest block cyphers available. To use this app a subscription to Nemerald service is required.
Callifi UCaaS
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.
- 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
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With Callifi UCaaS mobile apps you and your team members can stay connected and more productive on the go while keeping your extension with you, wherever you are. ***Designed for use with the Callifi platform only.*** What Callifi UCaaS brings to your team: Complete UC solution: • Collaborate with your team wherever you are. • Make video calls, organize audio conferences and group chats, create public channels, share files, and much more. Easily and securely organize remote work for your employees: • Dial external numbers using corporate identity/phone numbers. Receive calls through your office extensions. • Keep track of your business communications with the detailed customer profiles and history of communications organized by each contact. Enhanced connectivity and call quality even with an unstable internet connection: • With push notifications you can stay connected anywhere you are while providing outstanding customer service. • Callifi UCaaS enhances the connectivity and the quality of voice implementing the best in class audio codecs. Keeps your conversations and data secure: • Callifi UCaaS apps provide encryption for calls, messages, and data by default using the strongest block cyphers available.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Nemerald | Callifi UCaaS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 80 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | NEMERALD LLC | Callifi LLC |
Customer experience
Nemerald
Callifi UCaaS
In-app purchases
Nemerald
No in-app purchases
Callifi UCaaS
No in-app purchases








