Comparison

GSM Dialer vs Quiet Hours

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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: • Turn On/Off your Dialer remotely • Activate one of the Dialer’s outputs • Program up to 9 different Telephone Numbers the Dialer should call if one of its inputs is triggered • Select all or just some of the 9 Telephone Numbers to be called according to which input has been triggered • Create different SMS messages that are sent out on each trigger • Select whether regular Test Calls are made by the Dialer • Return the Dialer to Factory default settings

About

Quiet Hours

Features
Read full description

Quiet Hours helps you stay focused by automatically silencing distractions based on time or location. Create simple, powerful rules that activate exactly when you need them — during work, at the gym, while studying, or at prayer, whenever you want uninterrupted time. With Quiet Hours, you stay in control of your focus. Set it once, and let your iPhone handle the rest. Everything happens right on your iPhone using Apple’s own secure database technology, your rules and data never leave your device, ensuring complete privacy and security. Features:  • Create time‑based focus rules • Create location‑based focus rules • Smart scheduling with start and end times • Custom active days • Priority notifications • Beautiful, clean interface • One‑time upgrade for unlimited rules Quiet Hours is designed for people who value clarity, productivity, peace and security. Whether you’re working, studying, or taking time for yourself for prayer, Quiet Hours keeps your world quiet when it matters most.

Screenshots

GSM Dialer4 screens
Quiet Hours3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 5 level
GSM Dialer versus Quiet Hours: the parameters behind the verdict, then further details
ParameterGSM DialerQuiet Hours
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 10 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size5 MB5 MB
Age rating4+9+
DeveloperKeystone Electronics LimitedKyereme Kennedy

In-app purchases

None

GSM Dialer

No in-app purchases

1 purchases

Quiet Hours

One-time1
  • Quiet Hours+$3.99

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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