# GSM Dialer vs Voltaware Home

The clearest difference is review sentiment: GSM Dialer at 100% against Voltaware Home's 50%. GSM Dialer also leads on iOS requirement (13.0 vs 17.0). Voltaware Home's advantage is update cadence (every 3 weeks vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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, Voltaware Home every 3 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GSM Dialer | Voltaware Home |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltaware-home/id1035706288/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keystone Electronics Limited](https://appshunter.io/developer/989365169) | [voltaware.com](https://appshunter.io/developer/982220384) |

## What reviewers say

### GSM Dialer

[App page](https://appshunter.io/ios/app/gsm-dialer/id925273308)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltaware Home

[App page](https://appshunter.io/ios/app/voltaware-home/id1035706288)

Monitor your home's energy usage in real-time to understand consumption patterns, identify excessive use, and reduce electricity costs. This service helps you lower your carbon footprint and save money on your electricity bill.

**Highlights:** Real-time electricity consumption viewing, Appliance-specific consumption breakdown, Daily/monthly energy consumption and cost tracking, Smart sensor for usage pattern detection, Carbon footprint reduction guidance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GSM Dialer free?

GSM Dialer is free to download, with no in-app purchases.

### Is Voltaware Home free?

Voltaware Home is free to download, with no in-app purchases.

### Do GSM Dialer or Voltaware Home have ads?

Neither GSM Dialer nor Voltaware Home shows ads.

### Which is updated more often, GSM Dialer or Voltaware Home?

GSM Dialer ships an update every 10 months, and Voltaware Home every 3 weeks. Most recently, GSM Dialer was updated on October 11, 2026 and Voltaware Home on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*