Call About vs ZIRNET VoIP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Call About
This utility app helps you remember conversation topics for specific contacts. Notes appear on your call screen when they call, ensuring you never forget what to discuss. It's inspired by the GTD methodology for managing your to-do lists.
- Contact-specific reminders
- Notes appear on call screen
- Manage 'To Call' list
- GTD-inspired agenda management
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Reminders that appear when a contact calls! * Keep a list of items to talk about with specific contacts. * Items appear on the call screen when these contacts call. * Manage "To Call" list. Inspired by the agendas concept from Getting Things Done (GTD).
ZIRNET VoIP
This SIP-based softphone app enables HD voice and video calls, along with push notifications. It facilitates free calls exclusively between users of the Zirnet platform.
- SIP-based softphone
- Push notifications
- HD voice calling
- HD video calling
- Free calls between Zirnet users
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Zirnet is a companion softphone app for the Zirnet platform. It is a SIP based softphone that supports push notifications, HD voice and video calling, and more. The app also allows free calls between Zirnet users.
Screenshots
Verdict
The clearest difference is rating: ZIRNET VoIP at 5.0 against Call About's 4.0. Call About's advantage is update cadence (every 2 months vs every 4 months). On price, ratings volume, in-app purchases and monetization model 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.
ZIRNET VoIP holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Call About ships an update every 2 months, ZIRNET VoIP every 4 months. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.
| Parameter | Call About | ZIRNET VoIP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 10 MB | 109 MB |
| Age rating | 4+ | 17+ |
| Developer | Roy Sharon Ltd | ZIRNET, LLC |
Customer experience
Call About
ZIRNET VoIP
In-app purchases
Call About
No in-app purchases
ZIRNET VoIP
No in-app purchases
