telephonaki vs Certis Phone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
telephonaki
This app provides a Greek landline number for your mobile, allowing friends and family abroad to call you at local landline rates. It also offers the cheapest call charges to anyone and free communication between app users.
- Greek landline number on mobile
- Cheapest call charges
- Free calls between users
- Incoming calls free
- No hidden charges
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If you live abroad and you want the cheapest communication with your friends and family from Greece, now you can have your own Greek landline number on your mobile phone. Get Telephonaki app and add on your mobile phone a landline number from any Greek city you want. Your friends and family can call you with landline charges and you can talk as much as you want without charges for the incoming calls. With Telephonaki app you call everyone with the cheapest call charges of the market. Those with Telephonaki app on their mobile can communicate with each other for free! Forget phone pay cards and hidden charges, just convert your mobile into a landline phone with Telephonaki app.
Certis Phone
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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
Verdict
The clearest difference is in-app purchases: Certis Phone at none against telephonaki's 6. telephonaki's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (11.0 vs 14.0). On price, 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. telephonaki sells 6 one-off in-app purchases. Certis Phone asks for nothing beyond the download.
telephonaki ships an update every 2 weeks, Certis Phone every 2 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | telephonaki | Certis Phone |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (5 ratings) — better | — |
| Positive reviews | 11.1% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 89 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | DIGITAL ACADEMY G. MPARDIS & CO O.E. | Nautilus SIP Pte Ltd |
In-app purchases
telephonaki
- Telephonaki Time Value Pack$6.99
- Telephonaki Time Value Pack$13.99
- Telephonaki Time Value Pack$19.99
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- Telephonaki Time Value Pack$32.99
- Telephonaki Time Value Pack$64.99
- Telephonaki Time Value Pack$139.99
Certis Phone
No in-app purchases
Questions
Is telephonaki free?
Is Certis Phone free?
Do telephonaki or Certis Phone have ads?
Which is updated more often, telephonaki or Certis Phone?
Other comparisons
