# GSM Dialer vs Quiet Hours

The clearest difference is in-app purchases: GSM Dialer at none against Quiet Hours's 1. GSM Dialer also leads on iOS requirement (13.0 vs 17.6). Quiet Hours's advantage is update cadence (every 3 days vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Quiet Hours sells 1 one-off in-app purchase. GSM Dialer asks for nothing beyond the download.

GSM Dialer ships an update every 10 months, Quiet Hours every 3 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GSM Dialer | Quiet Hours |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 5 MB | 5 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Keystone Electronics Limited](https://appshunter.io/developer/989365169) | [Kyereme Kennedy](https://appshunter.io/developer/1299475622) |

## 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


### Quiet Hours

[App page](https://appshunter.io/ios/app/quiet-hours/id6758164745)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quiet Hours+ | $3.99 | one-time |


## Frequently asked questions

### Is GSM Dialer free?

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

### Is Quiet Hours free?

Quiet Hours is free to download, with in-app purchases available.

### Do GSM Dialer or Quiet Hours have ads?

Neither GSM Dialer nor Quiet Hours shows ads.

### Which is updated more often, GSM Dialer or Quiet Hours?

GSM Dialer ships an update every 10 months, and Quiet Hours every 3 days. Most recently, GSM Dialer was updated on October 29, 2026 and Quiet Hours on October 28, 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.*