Comparison

SilverDialer vs PetrocoolApp

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

Head to head
About

SilverDialer

Make affordable international calls using your iPhone contacts. Enjoy crystal-clear quality and low rates for VoIP calls over Wi-Fi or cellular data. Track call history and balance information easily.

Highlights
  • VoIP calls
  • Uses iPhone contacts
  • Low international rates
  • WIFI, 4G/3G, 2G EDGE connectivity
  • Balance information
  • Call status logs
Features
Read full description

App Benefits: •Uses iPhone contacts •Crystal Clear Quality •Lowest International Rates •Satisfaction guaranteed! •With this application, user can make cheap VOIP calls. Main features: * Making and receiving VoIP calls * Connectivity through WIFI, 4G/3G,2G EDGE * Integrated contacts from the phone * Loudspeaker * Balance information * Time, call status logs How to Activate: 1. Go to the App Store and download 'SilverDialer' on your iPhone, iPad and or iPod. 2. Launch 'SilverDialer' => Settings => enter operator code, your username and PIN. 3. Launch 'SilverDialer' and dial destination number using any of the Dial formats or directly from the Contact list.

About

PetrocoolApp

Features
Read full description

PETROCOOL LLC is an ASTA & ISO 9001:2015 (QMS), ISO 14001-2015 (EMS), ISO 45001-2018 (HSMS) certified, U.A.E based company and consistently growing organization engaged in Marine, Oil and Gas sectors with brief introduction of our expertise in the field of Electrical, Mechanical, Fabrication Sub contracting works, Skilled Man power supply (Electricians, Compex ATEX certified electricians can work in explosive atmosphere, Marine Mechanic, Fabricators, Welders, Carpenters, Painters & Helpers, etc.,). We are also Designing, manufacturing, testing and commissioning of complete range of LV switchgear panels and control panels & Trading of all kinds of Electrical equipments, Spare parts and accessories. Since 2005 we have developed in to a professionally managed company committed to deliver quality products and services. It is the policy of our company to provide at all times quality products, efficient services to execute contracts on schedule with the use of quality materials and very high standard of workmanship thereby ensuring satisfaction to our valued customers. The center of our philosophy is based on both customer satisfaction and a striving to constantly improve all the related products and services. Our highly qualified and experienced Engineers are always available to provide our esteemed clients with necessary technical support as may be desired while planning, designing or while making selection of the ideal product to meet their prestigious project requirements. Through specific product training, we try and see that every individual is comfortable handling our product technicalities to facilitate effective management of application practically at the field. An important integral part of the company’s vision of having satisfied customers is accomplished through quality check at the completion of each stage of manufacturing. We never fail to maintain our customers trust on us. Our customer and their satisfaction represent the yardstick of our success

Screenshots

SilverDialer4 screens
PetrocoolApp4 screens

Verdict

The call

The clearest difference is update cadence: PetrocoolApp at every 3 weeks against SilverDialer's every 2 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SilverDialer ships an update every 2 months, PetrocoolApp every 3 weeks. The most recent releases landed on September 20, 2026 and July 4, 2026 respectively.

Scorecard1 real difference · 9 level
SilverDialer versus PetrocoolApp: the parameters behind the verdict, then further details
ParameterSilverDialerPetrocoolApp
PriceFreeFree
Rating3.4 (5 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size88 MB23 MB
Age rating4+4+
DeveloperREVE Systems (S) Pte. Ltd.Oges Infotech

In-app purchases

None

SilverDialer

No in-app purchases

None

PetrocoolApp

No in-app purchases

Questions

Is SilverDialer free?
SilverDialer is free to download, with no in-app purchases.
Is PetrocoolApp free?
PetrocoolApp is free to download, with no in-app purchases.
Do SilverDialer or PetrocoolApp have ads?
Neither SilverDialer nor PetrocoolApp shows ads.
Which is updated more often, SilverDialer or PetrocoolApp?
SilverDialer ships an update every 2 months, and PetrocoolApp every 3 weeks. Most recently, SilverDialer was updated on September 20, 2026 and PetrocoolApp on July 4, 2026.

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