Comparison

EnVoip Mobile Client vs C3 Complete Messenger

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

Head to head
About

EnVoip Mobile Client

Extend your business phone services to your iPhone. Manage multiple lines, control caller ID, and keep business and personal contacts separate. Access voicemails and faxes visually, and utilize desk dialer capabilities.

Highlights
  • Multiple line calling
  • Caller ID management
  • Separate business/personal contacts
  • Visual voicemail and fax
  • Desk dialer capability
  • Extension dialing
Read full description

Use this app to extend your EnVoip phone services to your iPhone. Multiple Line Calling - Use up to three separate accounts and business phone numbers - Switch lines on the fly, option to set up iPhone call - Dial 3 and 4 digit extensions within your company - Visible status indicators that your accounts are valid Caller ID & Privacy - Make business calls with your iPhone without giving away your iPhone number - The person you call sees the caller ID of your business account number, not your iPhone ID Separate Business and Personal Contacts - Separate contact list (add from your iPhone Contacts) - Separate recent calls (keep your business calls separate) Desk Dialer capability - Use EnVoip Mobile Extension to set up calls from your desk phone Voice and Fax messages - Visual display - touch to download - Forward voice mails and EnVoip faxes by E-Mail - Keeps downloaded messages on the iPhone - no wasted bandwidth after first download - Delete messages on phone and server Business Call Records - Your EnVoip-compatible carrier collects call detail records in addition to your normal iPhone records Use this App with your EnVoip phone services provided by Envoi Networks. IMPORTANT NOTE: You must have an account with Envoi Networks to use this app. Check with Envoi Networks first before downloading this app.

About

C3 Complete Messenger

Communicate with customers using your business phone number for texts and pictures. Access your messages from any device with a single login, and allow multiple users to manage a shared business number. This app makes it easy for customers to reach you via text without needing a separate application.

Highlights
  • Send and receive texts from business numbers
  • Support for picture messages
  • Use on multiple devices with one login
  • Web browser access
  • Multiple user access to shared numbers
Features
Read full description

With C3 Complete Messenger, you can send and receive texts from your C3 Complete business phone numbers. Make and receive text messages using your business phone number! Use your business phone number to text instead of your personal number Send and receive text and picture messages to/from any cell phone number in the continental US View your messages on multiple devices: Use your account on multiple devices with one sign-in Access your messages from any computer via your browser (Chrome/Firefox/Edge) Multiple users can access the same number so you or your team can reply to any message Now your customers can communicate with you with the ease and convenience that they have when texting with friends and family. No need to download a separate messaging “app” to contact you - they can simply text your business number and get in touch.

Screenshots

EnVoip Mobile Client4 screens
C3 Complete Messenger4 screens

Verdict

The call

EnVoip Mobile Client and C3 Complete Messenger are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for EnVoip Mobile Client against 5.0 for C3 Complete Messenger. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

EnVoip Mobile Client ships an update every 9 months, C3 Complete Messenger every 6 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

ScorecardNo meaningful differences
EnVoip Mobile Client versus C3 Complete Messenger: the parameters behind the verdict, then further details
ParameterEnVoip Mobile ClientC3 Complete Messenger
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 9 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size1 MB55 MB
Age rating4+4+
DeveloperEnvoi NetworksTextable

Customer experience

EnVoip Mobile Client

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

C3 Complete Messenger

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

EnVoip Mobile Client

No in-app purchases

None

C3 Complete Messenger

No in-app purchases

Questions

Is EnVoip Mobile Client free?
EnVoip Mobile Client is free to download, with no in-app purchases.
Is C3 Complete Messenger free?
C3 Complete Messenger is free to download, with no in-app purchases.
Which has better reviews, EnVoip Mobile Client or C3 Complete Messenger?
EnVoip Mobile Client and C3 Complete Messenger are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do EnVoip Mobile Client or C3 Complete Messenger have ads?
Neither EnVoip Mobile Client nor C3 Complete Messenger shows ads.
Which is updated more often, EnVoip Mobile Client or C3 Complete Messenger?
EnVoip Mobile Client ships an update every 9 months, and C3 Complete Messenger every 6 months. Most recently, EnVoip Mobile Client was updated on November 3, 2026 and C3 Complete Messenger on November 4, 2026.

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