KOLLME vs Call4Me
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KOLLME
This app provides high-quality, secure, and affordable international voice calls using VOIP technology. It functions as a SIP-based soft phone, allowing users to connect with friends and family globally at low rates with crystal-clear quality. It integrates seamlessly with device contacts and works across various network types.
- High-quality international calls
- Affordable call rates
- Secure and reliable communication
- SIP-based softphone
- Works worldwide
- Integrates with contacts
- Crystal clear voice quality
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With its simple and intuitive user interface, KOLLME is the solution to making high quality calls for a fraction of the cost. Utilizing the latest the latest advances in VOIP technology, you can be ensured that all your communications are secure and affordable. • KOLLME is a SIP-based soft phone. You can call your friends and family from KOLLME with lowest international call rates! And very good quality. KOLLME for iPhone, iPad and iPod Touch let you make voice call worldwide with the finest voice quality.. App Benefits: •Works from all over the world •Uses iPhone contacts •Crystal Clear Quality •Lowest International Rates •Satisfaction guaranteed! • SIP-based softphone with exceptional voice quality • Works from Wifi/3G/GSM • Support for DTMF • Easy contact book, call history. In addition to your cost savings, we offers: • Secure and reliable communication • Compatible with VOIP switches supporting standard SIP • Unique anti-block solution • Option to brand own dialer • Advance Echo Cancellation • Flexible integration with your phone book contacts • Screen display for your call history, call timer and balance
Call4Me
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Call4Me Gold is a mobile application for iPhone which offers VoIP Calls from data enabled mobile phones (2G/3G/4G or WiFi) to any landline or mobile devices around the world. It is a simple app using the latest technologies to connect people easily and keep them connected to each other.
Screenshots
Verdict
The clearest difference is in-app purchases: KOLLME at none against Call4Me's 3. KOLLME also leads on update cadence (every 6 days vs every 8 months) and iOS requirement (8.0 vs 13.0). 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. Call4Me sells 3 one-off in-app purchases. KOLLME asks for nothing beyond the download.
KOLLME ships an update every 6 days, Call4Me every 8 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | KOLLME | Call4Me |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 days — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 20 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Four Square Technologies Ltd | Aymen Abuajayla |
In-app purchases
KOLLME
No in-app purchases
Call4Me
- Call4Me Credit 2$1.99
- Call4Me Credit 3$2.99
- Call4Me Credit 4$3.99
