# GSM Dialer vs Zoef Robot

The clearest difference is iOS requirement: Zoef Robot at 11.0 against GSM Dialer's 13.0. On price, update cadence, ads and in-app purchases 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, Zoef Robot every 6 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | GSM Dialer | Zoef Robot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 5 MB | 73 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keystone Electronics Limited](https://appshunter.io/developer/989365169) | [深圳豪成智能科技有限公司](https://appshunter.io/developer/1701767992) |

## 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


### Zoef Robot

[App page](https://appshunter.io/ios/app/zoef-robot/id1437371326)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GSM Dialer free?

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

### Is Zoef Robot free?

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

### Do GSM Dialer or Zoef Robot have ads?

Neither GSM Dialer nor Zoef Robot shows ads.

### Which is updated more often, GSM Dialer or Zoef Robot?

GSM Dialer ships an update every 10 months, and Zoef Robot every 6 months. Most recently, GSM Dialer was updated on October 29, 2026 and Zoef Robot on October 26, 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.*