Comparison

Sirio2 vs Contact Transfer

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

Head to head
About

Sirio2

Features
Read full description

sirio2 App for the reception of Alarm Notifications. The sirio2-App connects your Smart Device with the sirio2 Push-Service. The push service will generate “Message Notifications” and “Alarms” which you will receive on your Smart Device. Alarms can either be accepted or rejected. All actions will be documented in the sirio2 Push-Service log. During all times, escalations and all other tasks will continue to execute and the clients will perform normally just like all other sirio2 users. The App supports 4 languages: German, French, Italian and English (Smart Device system dependent) Sirio2 is an intelligent, interactive communications server combining the following components; • Alarms and Notifications • VoiceMail • VoiceDesigner for IVR and ACD • Conferencing • and many more features… For more information please visit:www.newphone.ch or contact us per e-mail: info@newphone.ch or just call us on Tel: +41 56 481 7000

About

Contact Transfer

Safeguard your valuable connections with this comprehensive contact management tool. It offers secure local and cloud backup options, smart scheduling for automatic backups, and flexible tools for organizing, sharing, and restoring your contacts.

Highlights
  • Secure local and cloud backup
  • Automatic backup scheduling
  • Selective contact backup
  • Contact sharing
  • Easy contact restore
  • Import and export contacts
  • Manage multiple backup versions
Features
Read full description

Contact Transfer: Your Complete Contact Management Solution Never lose your valuable contacts again! Contact Transfer is the ultimate contact backup and transfer solution designed to keep your connections safe and accessible. Key Features: Secure Local & Cloud Backup Create instant backups of your entire contact list directly to your device Seamlessly sync your contacts with Google Drive for enhanced security View detailed backup history and contact information Smart Backup Scheduling Set up automatic backups on your preferred schedule Choose daily, weekly, or monthly backup intervals Customize backup times to suit your needs Flexible Contact Management Select specific contacts for targeted backups Share contact lists with friends and family Easily restore contacts from any backup point Import and export contacts effortlessly Professional Organization Manage multiple backup versions Clean and intuitive interface for easy navigation Quick access to your most important contacts Whether you're switching devices, safeguarding your business contacts, or simply want peace of mind, Contact Transfer provides the reliable backup solution you need. Join thousands of satisfied users who trust our app for their contact management needs. Download Contact Transfer today and ensure your connections stay protected! Perfect for: Business professionals managing client contacts Anyone switching to a new iPhone Users who want to organize and secure their contact list Teams sharing contact information Creating regular contact backups Your contacts are valuable - protect them with Contact Transfer, the most trusted name in contact backup solutions. MAIN FEATURES ○ One-click to backup your contacts!" Our Contact Transfer application only backs up users' contacts within the device or to their personal Google Drive accounts. Personal data is not uploaded to or stored on our servers. The application accesses contacts only with the user's explicit consent, and the data remains entirely under the user's control. Subscription Information: The Contact Transfer app offers a Contact Transfer Pro subscription. This subscription is available as a monthly or lifetime plan and follows the latest pricing on the App Store. If not canceled at least 24 hours before the end of the current period, the subscription will be automatically renewed. You can manage your subscription through App Store Settings. No payment methods other than Apple's payment system are supported.

Screenshots

Sirio24 screens
Contact Transfer4 screens

Verdict

The call

The clearest difference is in-app purchases: Sirio2 at none against Contact Transfer's 2. Sirio2 also leads on iOS requirement (12.4 vs 15.3). Contact Transfer's advantage is update cadence (every 2 weeks vs every 16 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Contact Transfer sells 2 in-app purchases, starting at $2.99 per month. Sirio2 asks for nothing beyond the download.

UpkeepUpdate frequency

Sirio2 ships an update every 16 months, Contact Transfer every 2 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Sirio2 versus Contact Transfer: the parameters behind the verdict, then further details
ParameterSirio2Contact Transfer
PriceFreeFree
Rating—4.7 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 16 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.4 — better15.3
Further details — not scored
Size106 MB33 MB
Age rating4+4+
DeveloperNewPhone GmbHEVREN AY

In-app purchases

None

Sirio2

No in-app purchases

2 purchases

Contact Transfer

Subscriptions1
  • Monthly$2.991 Month
One-time1
  • Lifetime Access$4.99

Questions

Is Sirio2 free?
Sirio2 is free to download, with no in-app purchases.
Is Contact Transfer free?
Contact Transfer is free to download, with in-app purchases available.
Do Sirio2 or Contact Transfer have ads?
Neither Sirio2 nor Contact Transfer shows ads.
Which is updated more often, Sirio2 or Contact Transfer?
Sirio2 ships an update every 16 months, and Contact Transfer every 2 weeks. Most recently, Sirio2 was updated on November 11, 2026 and Contact Transfer on November 3, 2026.

Other comparisons