Comparison

FastAmps vs Oncall Tech

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

Head to head
About

FastAmps

Features
Read full description

Using the FastAmps App allows you to connect to your charger via BlueTooth®, enabling the following features: • Add your charger and give it a name. • See the real-time status of your charger. • Start or stop the charging process. • Lock your charger. • See the charging history over the last week, month, year. • Export charge history data eg to email. • Set charging times. • Enable or disable: solar charging, the charge now button, and charge times. • Change the randomised delay. • View technical information. • View the user manual. • Update your charger firmware. • The app will also tell you if your charger has been subjected to an unsuccessful cyber or tamper attack.

About

Oncall Tech

Features
Read full description

The Oncall Tech App is a security management tool designed specifically for modern homes and office environments. By seamlessly connecting with smart security devices (such as cameras, door and window sensors, smoke detectors, etc.), you can monitor your home or office anytime, anywhere, ensuring safety and peace of mind. Key features: 1. Real-time Monitoring and Alerts Receive real-time alert notifications from intelligent security devices, such as abnormal intrusions, fires, gas leaks, etc. 2. Remote Control Remotely control the switches of security equipment through the Oncall Tech app, such as arm/disarm. Supports timing task settings, automatically turning on/off the security system. 3. History and statistics Record all alarm events and device operation logs for easy viewing and management. Provides data statistics to help you analyze security status. 4. Multi-user Sharing Supports family members or colleagues sharing device permissions, managing the security system together. Different user permission levels can be set to ensure safety and control.

Screenshots

FastAmps3 screens
Oncall Tech4 screens

Verdict

The call

The clearest difference is update cadence: Oncall Tech at every 2 weeks against FastAmps's every 6 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

FastAmps ships an update every 6 months, Oncall Tech every 2 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 5 level
FastAmps versus Oncall Tech: the parameters behind the verdict, then further details
ParameterFastAmpsOncall Tech
PriceFreeFree
Update frequencyEvery 6 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115 — better
Further details — not scored
Size49 MB123 MB
Age rating4+4+
DeveloperFastAmps LimitedOn Call Technical Support Ltd

In-app purchases

None

FastAmps

No in-app purchases

None

Oncall Tech

No in-app purchases

Questions

Is FastAmps free?
FastAmps is free to download, with no in-app purchases.
Is Oncall Tech free?
Oncall Tech is free to download, with no in-app purchases.
Do FastAmps or Oncall Tech have ads?
Neither FastAmps nor Oncall Tech shows ads.
Which is updated more often, FastAmps or Oncall Tech?
FastAmps ships an update every 6 months, and Oncall Tech every 2 weeks. Most recently, FastAmps was updated on September 9, 2026 and Oncall Tech on September 10, 2026.

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