SEPBox vs CallMax UC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SEPBox
This app provides a secure digital mailbox for receiving government notifications, registered mail, and electronic bills. It helps users avoid junk mail and viruses, with automatic reminders for important dates and activities.
- Secure electronic mailbox
- Receive government notifications
- Receive registered electronic mail
- Receive electronic bills
- Avoid junk mail and viruses
- Automatic reminders for important dates
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Secure Electronic Postal Box (SEPBox), is a free electronic postal box application provided by Macao Post and Telecommunications Bureau (hereinafter CTT). After having made the registration, user will be offered a free SEPBox which enables to receive, electronically and securely, government notifications, Postal Registered electronic Mail and electronic bills, avoiding junk mail and electronic virus. Reminders are automatically defined together with electronic deliveries, assuring that important dates and activities are not forgotten.
CallMax UC
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CallMax is a powerful cloud-based communication platform designed to simplify and unify your company’s communications. Whether you’re using a mobile device or a computer, CallMax offers professional-grade calling features, real-time collaboration tools, and advanced call management, all within an intuitive interface. CallMax is built for teams that value flexibility, visibility, and control. Whether you are a small business or a large corporation, CallMax keeps you connected and ready to respond anytime, anywhere.
Screenshots
Verdict
SEPBox and CallMax UC are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
SEPBox ships an update every 4 months, CallMax UC every 9 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.
| Parameter | SEPBox | CallMax UC |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15 |
| Further details — not scored | ||
| Size | 20 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Direccao dos Servicos de Correios e Telecomunicacoes | TM Telcomm Corp |
In-app purchases
SEPBox
No in-app purchases
CallMax UC
No in-app purchases
