BDNH vs Call App
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
BDNH
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The Bulgarian Society of Neurosurgery was established as an independent body in 1975 in the capital city of Sofia. It is the successor of the Neurosurgery Section of the Society of Neurology, Psychiatry and Neurosurgery, founded in 1958. BDNH has 5 branches in the country, respectively at the Medical Universities in Sofia, Plovdiv, Varna, Pleven and Stara Zagora.
Call App
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Stay connected anytime, anywhereβno cell plan needed!β¨Make free voice and video calls, send unlimited texts, and share photos using WiFi or cellular data. All with complete privacy and zero trace. App-to-App Calls & Messages Talk to your friends and family through HD voice and video calls. Send instant messages and photos in a smooth, secure chat experience. Private & Secure Communication Use the Text App as a private messengerβno personal info required. Stay anonymous and enjoy safe, encrypted messaging. No SIM or Phone Plan Required No cell service? No problem. All you need is WiFi or data to start calling and texting worldwide. CallTalk app offers a subscription plans: - Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. - Your iTunes account will be charged for renewal within 24 hours prior to the end of the current subscription. - Subscription plans include: $3.99/week Weekly Call & Chat $9.99/month after a 3-day free trial Monthly Call & Chat $19.99/quarter β Quarterly Call & Chat $29.99/year after a 3-day free trial Yearly Call & Chat Prices may vary depending on the plan you choose and will be clearly displayed before purchase. - Payment will be charged to your iTunes account upon confirmation of purchase. - You can manage your subscription and turn off auto-renewal anytime in your Account Settings after purchase. - Active subscriptions cannot be canceled during the subscription period. If a free trial is offered and you purchase a subscription, any unused portion of the trial will be forfeited. By using CallTalk, you are agreeing to our Privacy Policy and Terms of Use: https://call.synthroverse.shop/privacy-policy https://call.synthroverse.shop/terms-of-service Have questions? Contact our support team at: info@synthroverse.shop
Screenshots
Verdict
The clearest difference is in-app purchases: BDNH at none against Call App's 4. Call App's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Call App sells 4 in-app purchases, starting at $3.99 per 7 days. BDNH asks for nothing beyond the download.
BDNH ships an update every 2 months, Call App every 3 weeks. The most recent releases landed on October 8, 2026 and November 4, 2026 respectively.
| Parameter | BDNH | Call App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 64 MB | 80 MB |
| Age rating | 17+ | 4+ |
| Developer | Georgi Gabrovski | Synthroverse Pty Ltd |
In-app purchases
BDNH
No in-app purchases
Call App
- Second Number Weekly$3.997 Days
- Second Number Monthly$9.991 Month
- Second Number Quarterly$19.993 Months
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- Second Number Yearly$29.991 Year
