Kasookoo vs Ublux
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kasookoo
This business phone system app liberates users from traditional phone line costs and constraints. It offers features like a virtual receptionist, conference calling, and call tagging directly on a smartphone.
- Virtual receptionist
- Conference calling
- Call tagging
- Customizable caller ID
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Kasookoo - the business phone system that runs through an app on your smartphone - liberate yourself from the costs and constraints of physical phone lines, desk phones, and business mobiles. You will then have access to all the features of the app, including: - Virtual receptionist - route calls to the right members of the team - Conference calling - add and remove people from your calls - Add tags - identify the number your customer is calling - Make primary - choose the number from which to call from
Ublux
This app provides a VOIP calling solution for seamless international communication. It offers free app-to-app calls with high-definition quality and secure discussions. Access international numbers from 160 countries with 24/7 security and data encryption.
- International calling from 160 countries
- Free app-to-app calls
- High-definition call quality
- Secure discussions with data encryption
- Seamless integration with tools
- Scalable call volume
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Stay connected with your contacts on the go. Ublux puts a world-class international call application in your pocket, so you can handle calls anywhere, anytime. Ublux adapts to your needs, allowing you to make and receive calls seamlessly, integrating with your favourite tools. Apart from the typical functionalities, our complimentary VOIP application allows you to use more. Top-notch, free app-to-app calls. Enjoy high-definition calls and ensure secure discussions. Access international numbers from 160 countries and enjoy 24/7 security and data encryption. Scale your call volume up or down effortlessly. Experience Ublux for instant access, flexibility, and enhanced communication.
Screenshots
Verdict
The clearest difference is rating: Ublux at 5.0 against Kasookoo's 4.3. Kasookoo's advantage is ratings volume (7 vs 1). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Ublux holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Kasookoo has 7 ratings behind it against 1, so its average is the more settled of the two.
Kasookoo ships an update every 6 months, Ublux every 7 months. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.
| Parameter | Kasookoo | Ublux |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (7 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 6 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 36 MB | 116 MB |
| Age rating | 4+ | 17+ |
| Developer | Yuave Ltd | Ublux |
Customer experience
Kasookoo
Ublux
In-app purchases
Kasookoo
No in-app purchases
Ublux
No in-app purchases
