Comparison

Z5 Mobile vs Moozumo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Video Relay Service (VRS)
  • Text chat functionality
  • Share contact numbers with interpreters
  • Block unwanted callers
  • Video Mail greeting management
  • Number Lookup with Google Maps
Read full description

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.

About

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.

Highlights
  • Real-time typing indicators
  • End-to-end encrypted conversations
  • No conversation storage
  • Patented split-screen view
  • Save conversations locally
  • Customizable themes and fonts
Features
Read full description

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

Z5 Mobile4 screens
Moozumo4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Z5 Mobile versus Moozumo: the parameters behind the verdict, then further details
ParameterZ5 MobileMoozumo
PriceFreeFree
Rating3.7 (127 ratings)4.3 (3 ratings) — better
Positive reviews35.5% of reviews—
Number of ratings127 — better3
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size42 MB47 MB
Age rating4+4+
DeveloperCSDVRS, LLCMoozumo LLC

Customer experience

Z5 Mobile

All ratings127 ratings
Positive61.4%
Neutral8.7%
Negative29.9%
Written reviews76 reviews
Positive35.5%
Neutral11.8%
Negative52.6%

Moozumo

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Z5 Mobile

No in-app purchases

4 purchases

Moozumo

Subscriptions4
  • Pro$1.991 Month
  • Premium$3.991 Month
  • Pro Plan (1 Year)$19.991 Year
Show 1 more
  • Premium (1 Year)$39.991 Year

Questions

Is Z5 Mobile free?
Z5 Mobile is free to download, with no in-app purchases.
Is Moozumo free?
Moozumo is free to download, with in-app purchases available.
Which has better reviews, Z5 Mobile or Moozumo?
Moozumo is rated higher. Z5 Mobile averages 3.7 out of 5 from 127 ratings, while Moozumo averages 4.3 from 3 ratings.
Do Z5 Mobile or Moozumo have ads?
Neither Z5 Mobile nor Moozumo shows ads.
Which is updated more often, Z5 Mobile or Moozumo?
Z5 Mobile ships an update every 2 months, and Moozumo every 2 months. Most recently, Z5 Mobile was updated on October 21, 2026 and Moozumo on October 24, 2026.

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