Comparison

Advanced VoIP Solutions vs Certis Phone

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

Head to head
About

Advanced VoIP Solutions

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With Advanced VoIP Solutions 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. What Advanced VoIP Solutions brings to your team: **Complete UC solution that works with your PBX 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 PBX 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. • Advanced VoIP Solutions enhances the connectivity and the quality of voice, implementing the best in class audio codecs. **Keeps your conversations and data secure.** • AVS apps provide encryption for calls, messages, and data by default using the strongest block cyphers available. To use this app, a subscription to the AVS service is required.

About

Certis Phone

Features
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This is a mobile telephony project by Certis powered by Nautilus. This application is secure telephone communication, running within a user access policy.

Screenshots

Advanced VoIP Solutions4 screens
Certis Phone4 screens

Verdict

The call

The clearest difference is iOS requirement: Advanced VoIP Solutions at 11.0 against Certis Phone's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Advanced VoIP Solutions versus Certis Phone: the parameters behind the verdict, then further details
ParameterAdvanced VoIP SolutionsCertis Phone
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size75 MB24 MB
Age rating4+4+
DeveloperTC Telecom, LLCNautilus SIP Pte Ltd

In-app purchases

None

Advanced VoIP Solutions

No in-app purchases

None

Certis Phone

No in-app purchases

Questions

Is Advanced VoIP Solutions free?
Advanced VoIP Solutions is free to download, with no in-app purchases.
Is Certis Phone free?
Certis Phone is free to download, with no in-app purchases.
Do Advanced VoIP Solutions or Certis Phone have ads?
Neither Advanced VoIP Solutions nor Certis Phone shows ads.
Which is updated more often, Advanced VoIP Solutions or Certis Phone?
Advanced VoIP Solutions ships an update every 2 months, and Certis Phone every 2 months. Most recently, Advanced VoIP Solutions was updated on October 25, 2026 and Certis Phone on November 3, 2026.

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