Acrobits Softphone vs Abbax
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Acrobits Softphone
This SIP client enables voice and video calls, messaging, and seamless connectivity. It offers extensive provider support, push notifications, and call handover. Customize your calling experience with adjustable settings and enjoy clear audio and HD video.
- Voice and video calling
- Messaging
- SIP client
- Push notifications
- Call handover (WiFi/data)
- Customizable UI and settings
- HD video support
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Make voice and video calls, send messages, and stay connected with Acrobits Softphone App — a powerful and feature-rich SIP softphone designed for all your calling needs. IMPORTANT, PLEASE READ Acrobits Softphone is a SIP Client, not a VoIP service. To use it, you need an account with a VoIP provider or PBX that supports standard SIP clients. Note: this app does not support call transfer or conference calling. Take your VoIP calling experience to the next level with Acrobits Softphone with out-of-the-box support for many of the most popular providers and Bluetooth devices on the market. Acrobits Softphone brings all the popular features you expect from a SIP app, including support for 5G, voice and video calling, push notifications, call handover between WiFi and data, multi-device compatibility, lifetime access to support and updates, and more. Experience crystal clear calling with support for popular audio standards, including Opus, G.722, G.729, G.711, iLBC, and GSM. Need to make video calls? Acrobits Softphone supports up to 720p HD and supports both H.265 and VP8. You can even create your own look and feel. Acrobits Softphone is fully customizable, allowing you to configure your own SIP call settings, UI, ringtones, and more. Acrobits Softphone makes it easy for you to communicate with friends and family on any device. This SIP calling app is compatible with virtually all iPhones and iPads. Don’t worry about hidden fees. You can try Acrobits Softphone today for a one-time fee that comes with lifetime support and updates.
Abbax
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Key Features of Abbax Apps for Your Team: Seamlessly collaborate with your team, regardless of your location. - Conduct video calls, organize audio conferences and group chats, establish public channels, share files, and more. Effortlessly and Securely Facilitate Remote Work for Your Employees - Initiate external calls using corporate identity/phone numbers, receiving calls through your office extension. - Track business communications through detailed customer profiles and a communication history categorized by each contact. Improved Connectivity and Call Quality, Even in Unstable Internet Conditions - Stay connected anywhere with push notifications, ensuring excellent customer service. - Abbax optimizes connectivity and voice quality by implementing top-notch audio codecs. Ensures Security for Your Conversations and Data - Abbax applications employ state-of-the-art block ciphers to automatically encrypt calls, messages, and data. Please note that a subscription to the Abbax service is required to use this app.
Screenshots
Verdict
The clearest difference is price: Abbax at Free against Acrobits Softphone's $6.99. Abbax also leads on in-app purchases (none vs 1) and device support (3 vs 1). Acrobits Softphone's advantage is update cadence (every 9 days vs every 2 months) and chart position (#149 vs unranked). On 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
Abbax is free to download; Acrobits Softphone costs $6.99 up front. Acrobits Softphone sells 1 one-off in-app purchase. Abbax asks for nothing beyond the download.
Acrobits Softphone ships an update every 9 days, Abbax every 2 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.
| Parameter | Acrobits Softphone | Abbax |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.2 (47 ratings) — better | — |
| Positive reviews | 67.8% of reviews | — |
| Number of ratings | 47 — better | — |
| Update frequency | Every 9 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Best chart rank | #149 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 80 MB |
| Age rating | 17+ | 4+ |
| Developer | Acrobits | Abbax Technologies |
Bugs and requests
Acrobits Softphone
Reported bugs
7 issues- Crashes on open in iOS 9.3
- Keeps wiping out all settings and history
- Deletes configuration randomly
- Failed to received CallerID
- Periodically disables itself
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- Push doesn't work
- Cannot attend calls when phone is locked
Requested features
7 requests- SMS support
- Ability to block calls
- Customizable ringtones
- Conference calling
- Ability to select original iPhone ringtones
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- Dark mode option
- Landscape mode for tablets
Abbax
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Acrobits Softphone
- ZRTP For Outgoing Calls$24.99
Abbax
No in-app purchases









