GSM Dialer vs ANRO
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GSM Dialer
Control and program compatible GSM Auto Dialers remotely from your iPhone. Receive instant voice or SMS alerts for security and environmental events. Manage dialer settings, phone numbers, and SMS messages with ease.
- Remote On/Off control
- Activate dialer outputs
- Program up to 9 phone numbers
- Select numbers based on trigger
- Create custom SMS messages
- Configure test calls
- Reset to factory defaults
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This APP enables you to program and initiate certain actions with compatible GSM Auto Dialers quickly and easily from your iPhone. GSM Auto Dialers are used extensively within the Security and Environmental Monitoring Industry to notify you remotely via a voice message or SMS if an intrusion or event has occurred. Before downloading and attempting to use this APP, check with your Installer or Supplier whether your GSM Auto Dialer is compatible with this APP. Actions that can be accomplished by using this APP include: β’ Turn On/Off your Dialer remotely β’ Activate one of the Dialerβs outputs β’ Program up to 9 different Telephone Numbers the Dialer should call if one of its inputs is triggered β’ Select all or just some of the 9 Telephone Numbers to be called according to which input has been triggered β’ Create different SMS messages that are sent out on each trigger β’ Select whether regular Test Calls are made by the Dialer β’ Return the Dialer to Factory default settings
ANRO
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ANRO is the construction site app built around the way engineers actually work. From the moment you step on site to end-of-day sign-off, ANRO keeps your projects, reports, tasks, and team communication in one place β right on your phone. No paper. No spreadsheets. No chasing emails. DAILY WORK, SIMPLIFIED Every shift starts with a clear picture of what needs to happen, and ends with everything logged and accounted for. β’ Daily Site Reports β Submit attendance, progress updates, and work logs in seconds, directly from the field β’ Task & Milestone Tracking β See where every project stands, updated in real time as work progresses β’ Site Orders & Requests β Create and track orders instantly, without phone calls or waiting on replies β’ Instant Approval Workflows β Send and receive approvals on the spot β no email chains, no delays β’ Photo Documentation β Attach site photos to any report for a complete visual record of progress BUILT FOR THE FIELD, NOT THE OFFICE Construction sites are busy, unpredictable, and often out of signal range. ANRO is designed for that. β’ Offline Mode β Full functionality even without an internet connection. Everything syncs automatically the moment you're back online β’ Mobile-First Design β Fast, clear, and built to be used on-site under real working conditions β’ Instant Notifications β Get alerted the moment something needs your attention, wherever you are β’ Team Messaging β Stay in sync with your crew without switching apps EVERYTHING IN ONE PLACE β’ Real-time sync across all your devices β’ Complete activity log and audit trail for every action β’ Role-based access β see exactly what you need, nothing you don't β’ Multi-language support: Arabic, Hebrew, and English with full right-to-left (RTL) layout FREE TO USE β REGISTER IN THE APP Create your account directly in ANRO in seconds. No payment required. Open the app, sign up, and you're ready for your next project.
Screenshots
Verdict
The clearest difference is update cadence: ANRO at every 9 days against GSM Dialer's every 10 months. GSM Dialer's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GSM Dialer ships an update every 10 months, ANRO every 9 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.
| Parameter | GSM Dialer | ANRO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 10 months | Every 9 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 5 MB | 5 MB |
| Age rating | 4+ | 12+ |
| Developer | Keystone Electronics Limited | Khaled Ez Zughayyar |
In-app purchases
GSM Dialer
No in-app purchases
ANRO
No in-app purchases









