# GSM Dialer vs AQS

The clearest difference is update cadence: AQS at every 5 weeks against GSM Dialer's every 10 months. GSM Dialer's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support 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, AQS every 5 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GSM Dialer | AQS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 70 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keystone Electronics Limited](https://appshunter.io/developer/989365169) | [Aquarius-Spectrum](https://appshunter.io/developer/1613033707) |

## 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


### AQS

[App page](https://appshunter.io/ios/app/aqs-sys-app/id1613033435)

**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 AQS free?

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

### Do GSM Dialer or AQS have ads?

Neither GSM Dialer nor AQS shows ads.

### Which is updated more often, GSM Dialer or AQS?

GSM Dialer ships an update every 10 months, and AQS every 5 weeks. Most recently, GSM Dialer was updated on October 11, 2026 and AQS on October 24, 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.*