GDMS vs SIPBlue 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GDMS
This app offers centralized, secure management for Grandstream audio/video products. Administrators can easily add devices by scanning codes, configure accounts, upgrade firmware, and receive real-time alerts about device status.
- Scan code to add devices
- Configure accounts
- Upgrade device firmware
- Remote device start
- Real-time device monitoring
- Push alert messages
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GDMS mobile application provides centralized, secure and zero-operation management methods and solutions for Grandstream audio/video products users. The device administrators can work on mobile devices by scanning the codes to add devices, configure accounts/upgrade devices firmware quickly, and the alert messages can be pushed to mobile client. Including: 1. Scan code to add device: Support to scan the barcodes of a batch of devices to add the devices to GDMS platform. 2. Manage device: Support to configure accounts for devices, upgrade devices firmware, and start the devices remotely. 3. Monitor device in real-time: Push the device registration, abnormal status, alert messages to mobile management client.
SIPBlue 2.0
This communication app offers secure, high-definition voice and video calls, instant messaging, and SMS/MMS services. It features end-to-end encryption, call history, and an intuitive interface for seamless connectivity anywhere, anytime.
- HD voice and video calls
- Instant messaging
- SMS/MMS services
- End-to-end encryption
- Call history
- QR code login
- Auto provisioning
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SIPBLUE 2.0 Extends The Power of Communication For You. Tap the cutting-edge communication application- SIPBLUE 2.0 for an exceptional real-time communication experience. Magnify your mobile phone's power with SIPBLUE 2.0 and choose secure, hassle-free conversations with HD voice/video calls and instant messaging. Connect effortlessly – ANYWHERE, ANYTIME. Key Features: Scan and Login with QR Code Use the application for SMS - services Voice -services For Both A Better Way to Call Tap on the phone screen and connect easily through voice, video, messaging services(SMS/MMS), and fax services. Rich user experience with cristal-clear voice Keep track of important calls with call history of incoming, outgoing, and missed call details. Easy-to-use Interface and Intuitive design End-to-end encryption for robust security and privacy Auto Provisioning Navigate through the application effortlessly Instant Messaging to fruitful collaborations Tap to get started.
Screenshots
Verdict
The clearest difference is rating: GDMS at 4.7 against SIPBlue 2.0's 4.2. GDMS also leads on iOS requirement (13.0 vs 15.6). SIPBlue 2.0's advantage is update cadence (monthly vs every 3 months). On price, ratings volume, 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.
GDMS holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 7 and 6 respectively.
GDMS ships an update every 3 months, SIPBlue 2.0 monthly. The most recent releases landed on August 5, 2026 and September 15, 2026 respectively.
| Parameter | GDMS | SIPBlue 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7 ratings) — better | 4.2 (6 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | 6 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Grandstream | QuestBlue Systems, Inc |
Customer experience
GDMS
SIPBlue 2.0
In-app purchases
GDMS
No in-app purchases
SIPBlue 2.0
No in-app purchases









