AcuityVOIP vs C3 Complete Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AcuityVOIP
Stay connected to your business phone system from anywhere. This app allows you to access your corporate extension on your mobile device, ensuring you never miss an important call or communication while on the go.
- Access corporate extension
- On-the-go connectivity
- Mobile business communication
- VoIP functionality
Read full descriptionHide full description
Access your corporate extension while you're on the go with the AcuityVOIP mobile app.
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.
- 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
Read full descriptionHide 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
Verdict
The clearest difference is update cadence: C3 Complete Messenger at every 6 months against AcuityVOIP's every 22 months. C3 Complete Messenger also leads on iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads 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 AcuityVOIP against 5.0 for C3 Complete Messenger. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
AcuityVOIP ships an update every 22 months, C3 Complete Messenger every 6 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | AcuityVOIP | C3 Complete Messenger |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 22 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 123 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Telephony Partners LLC | Textable |
Customer experience
AcuityVOIP
C3 Complete Messenger
In-app purchases
AcuityVOIP
No in-app purchases
C3 Complete Messenger
No in-app purchases
Questions
Is AcuityVOIP free?
Is C3 Complete Messenger free?
Which has better reviews, AcuityVOIP or C3 Complete Messenger?
Do AcuityVOIP or C3 Complete Messenger have ads?
Which is updated more often, AcuityVOIP or C3 Complete Messenger?
Other comparisons
