VoIP Office Pro vs Krestium
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VoIP Office Pro
This business communication app simplifies and enhances workplace interactions. It allows users to make and receive calls, chat, share files, manage voicemail, and organize meetings, all from their mobile devices.
- Make and receive calls
- Chat and share files
- Manage voicemail
- Organize meetings
- Send and receive SMS
- Use with Bluetooth headset
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VoIP Office Communicator GO empowers you to communicate and work better. As part of our Unified Communications package, VoIP Office Communicator GO is a versatile soft phone that revolutionizes communications in modern workplaces. What can VoIP Office Communicator GO do for you? Simplify and enhance business communications Save time and money spent on communications Encourage collaboration and productivity What can you do with VoIP Office Communicator GO? - Make and receive calls for less or free - Transfer or hold calls - Chat and share files easily with other users - Receive a ‘call back’ if VoIP call quality is not satisfactory - Enjoy the same features and benefits at your desk, at home, or even across the world - Access and manage voicemail - Quickly view and use all company contacts - Use with Bluetooth headset - Add users to favourites for easier access - Send and receive SMS messages - Organise and manage meetings
Krestium
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Krestium is a recruitment management platform built for staffing professionals. Manage candidates, job requirements, submissions, and interviews — all from one place. PIPELINE MANAGEMENT - View and manage all active job requirements - Track candidate submissions by stage - See your full pipeline at a glance CANDIDATE TRACKING - Search and filter candidates instantly - View full profiles, resumes, and submission history - Update candidate status in real time INTERVIEW SCHEDULING - Schedule and track interviews across all requirements - Get reminders before every interview - Mark outcomes and next steps on the go DASHBOARD & REPORTING - See your daily activity summary at a glance - Track submissions, interviews, and placements - Stay on top of what needs your attention today Krestium keeps your recruitment workflow organized and accessible — so nothing falls through the cracks.
Screenshots
Verdict
The clearest difference is device support: VoIP Office Pro at 3 against Krestium's 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.
VoIP Office Pro ships an update every 3 months, Krestium every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | VoIP Office Pro | Krestium |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 109 MB | 38 MB |
| Age rating | 17+ | 4+ |
| Developer | voipoffice | NAGA VENKATA KRISHNA KISHORE PERI |
In-app purchases
VoIP Office Pro
No in-app purchases
Krestium
No in-app purchases








