Call One UC vs Telefox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Call One UC
Manage your home or office telephony services remotely. Make and receive calls using your landline number over WiFi or cellular data, and seamlessly transfer calls between devices. Includes features for conference calls, voicemail, and fax management.
- Join audio/video conferences
- Make/receive calls with landline number
- Transfer calls between devices
- Add video to calls
- Use landline caller ID
- Voicemail and fax playback
- Transcribed voice messages
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Max UC - For customers of Call One using the Call One UC product. IMPORTANT: FULL TELEPHONY FUNCTIONALITY IS ONLY AVAILABLE WITH AN ACTIVE CALL ONE UC ACCOUNT ***** With Call One UC, you can take control of your home or office telephony services from anywhere. FEATURES • Call One Meeting: Join audio and video conferences that you are invited to • Make and receive calls over WiFi/LTE/3G using your landline number • Move calls between your landline, mobile and tablet devices, without hanging up • Add video to your calls • Make calls from any phone using your landline caller ID • Receive new voicemail alerts • Playback voice and video messages and view faxes • View transcribed voice messages • Control how incoming calls are handled • Sync your Accession contacts across devices NOTE: Your current feature bundle may not offer all features listed and may require you to pay additional subscription charges to access certain features. Contact your sales agent for information. Call One UC also requires 3G/4G or WiFi access. Use of these services may incur additional charges.
Telefox
Connect globally with voice and video calls, and messaging, using only your email address. Enjoy secure, seamless communication without needing phone numbers or worrying about roaming fees. It's free to start and offers features for both personal and professional use.
- Email-based voice and video calls
- Real-time messaging
- Group management and virtual meetings
- Digital business card sharing
- Password-free sign-in
- Web access
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Telefox turns your business cards into a global communication network. Easily scan, save, and organize business cards, then call or message your business contacts anywhere in the world using their email address. No need to share your personal phone number. With Telefox, your email address becomes your secure global contact ID, allowing you to build professional connections while keeping your private information protected. [Why Telefox] Easily scan and organize business cards Manage professional contacts in one place Make global voice calls using email addresses Send messages without sharing phone numbers Connect with business contacts worldwide From exchanging a business card to having a real conversation, Telefox makes global business networking simple, private, and connected. Manage business cards. Connect globally. Stay private. ● Website: https://telefox.com ● Support: support@telefox.com ● Terms & Refund Policy: https://www.telefox.com/policy/terms
Screenshots
Verdict
The clearest difference is review sentiment: Telefox at 100% against Call One UC's 50%. Telefox also leads on rating (5.0 vs 4.2) and update cadence (every 6 days vs every 4 months). Call One UC's advantage is in-app purchases (none vs 2) and ratings volume (29 vs 1). On price and ads 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. Telefox sells 1 in-app purchase, starting at $2.99 per month. Call One UC asks for nothing beyond the download.
Telefox holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Call One UC has 29 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Call One UC's written reviews are positive against 100% of Telefox's.
Call One UC ships an update every 4 months, Telefox every 6 days. The most recent releases landed on September 14, 2026 and August 26, 2026 respectively.
| Parameter | Call One UC | Telefox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (29 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 29 — better | 1 |
| Update frequency | Every 4 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 148 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Call One, Inc. | Omni Story Co., Ltd. |
Customer experience
Call One UC
Telefox
In-app purchases
Call One UC
No in-app purchases
Telefox
- Premium Membership1 Month trial2 variants$2.991 Month
