Z5 Mobile vs Moozumo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Z5 Mobile
This app provides a video relay service for deaf and hard-of-hearing individuals to make and receive videophone calls. It offers features like text chat, contact sharing, call blocking, and video mail.
- Video Relay Service (VRS)
- Text chat functionality
- Share contact numbers with interpreters
- Block unwanted callers
- Video Mail greeting management
- Number Lookup with Google Maps
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Z5 Mobile – The best video call experience, wherever life takes you. With Z5 Mobile, the industry’s premier VRS (Video Relay Service) app, deaf and hard-of-hearing individuals can make and receive videophone calls anywhere using Wi-Fi or a cellular data connection. And now we’ve completely redesigned this app to bring you the top features and experience in the industry. Recent updates now include text chat, the ability to share a follow-up number with an interpreter straight from your contact list, and even the power to block unwanted callers. Our users love our intuitive user interface with a choice of two themes and the sort your contact list by first or last name. You’ll also enjoy the ability to quickly review, record or delete your Video Mail greeting from your phone. Even when you're not using the app, you can now receive full-screen notifications at the moment a call is incoming. Z5 Mobile still has all the great features users have come to expect including Number Lookup, powered by Google Maps, to help you find phone numbers and conduct map searches without having to leave the app. No matter where you go, there’s no better way to keep in touch! Download/upgrade Z5 Mobile today and tell us what you think.
Moozumo
Experience real-time texting where you see messages as they are typed. Enjoy end-to-end encrypted, private conversations that are not stored by the service. Customize your experience with split-screen viewing and personalized settings.
- Real-time typing indicators
- End-to-end encrypted conversations
- No conversation storage
- Patented split-screen view
- Save conversations locally
- Customizable themes and fonts
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Real time texting Send as you text. Avoid waiting for the text to arrive, see the text as and when its being typed by you and your loved ones. Private message All conversations are end to end encrypted, not even Moozumo can see your private conversations. Secure data No conversations are stored by Moozumo. Your conversations are private, Moozumo does not save it in any location. Split screen Enjoy using the patented split screen. See your entire conversation in a single place. Save call Save your conversation with your friend’s permission, in your own device. Delete it when you no longer need it. Settings Customize your preferences. Choose background, font size, font style, font colors and more. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Moozumo at 4.3 against Z5 Mobile's 3.7. Z5 Mobile's advantage is in-app purchases (none vs 4) and ratings volume (127 vs 3). On price, update cadence, ads and device support 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. Moozumo sells 4 in-app purchases, starting at $1.99 per month. Z5 Mobile asks for nothing beyond the download.
Moozumo holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Z5 Mobile has 127 ratings behind it against 3, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Z5 Mobile | Moozumo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (127 ratings) | 4.3 (3 ratings) — better |
| Positive reviews | 35.5% of reviews | — |
| Number of ratings | 127 — better | 3 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 42 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | CSDVRS, LLC | Moozumo LLC |
Customer experience
Z5 Mobile
Moozumo
In-app purchases
Z5 Mobile
No in-app purchases
Moozumo
- Pro$1.991 Month
- Premium$3.991 Month
- Pro Plan (1 Year)$19.991 Year
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- Premium (1 Year)$39.991 Year









