OnSIP vs Activ Answer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnSIP
This app extends your business phone system to your mobile device, enabling HD voice and video calls, contact monitoring, and voicemail management. Stay connected with clients and colleagues from anywhere, without needing extra hardware.
- HD voice and video calls
- Voicemail management
- Contact availability monitoring
- Call history
- Remote work connectivity
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OnSIP brings your business phone to you, whether you're at the office, at a client's site, or working remotely. Connect with customers, partners, vendors, and coworkers from your OnSIP account on your iPhone. With OnSIP, you can take advantage of standard business phone features without the additional hardware. Make and receive HD voice and video calls, monitor contact availability, check recent call history, and manage your voicemail in one simple interface.
Activ Answer
Manage your Activ service remotely. Receive message alerts, listen to, transcribe, and translate communications. Initiate callbacks or send automated replies to stay connected and productive.
- New message notifications
- Listen to messages
- Transcribe messages
- Translate messages
- Initiate Live Callback
- Send automated SMS responses
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Take your Activ service on the go with Activ Answer by Audio Images. Get new message notifications, listen to, transcribe, and translate messages, initiate Live Callback or send automated SMS responses--all from the app. It's exactly what you need to do your job and keep connected with your community.
Screenshots
Verdict
The clearest difference is rating: Activ Answer at 2.7 against OnSIP's 2.4. Activ Answer also leads on review sentiment (25% vs 8%) and iOS requirement (15.1 vs 17.4). OnSIP's advantage is ratings volume (67 vs 10). 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.
Activ Answer holds the better App Store score, 2.7 against 2.4. That said, the two scores are not equally well evidenced: OnSIP has 67 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 8% of OnSIP's written reviews are positive against 25% of Activ Answer's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.
| Parameter | OnSIP | Activ Answer |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (67 ratings) | 2.7 (10 ratings) — better |
| Positive reviews | 7.7% of reviews | 25.0% of reviews — better |
| Number of ratings | 67 — better | 10 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 26 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | OnSIP | Audio Images International, Inc. |
Customer experience
OnSIP
Activ Answer
In-app purchases
OnSIP
No in-app purchases
Activ Answer
No in-app purchases
