Comparison

SirenApp vs EJBMS PRO

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

Head to head
About

SirenApp

Features
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Siren - One Platform for All Emergencies! تمام ہنگامی صورتحال کے ل؊ے ایک اٟلی کی؎ن Siren, a mobile App designed and developed by Jaffer Business Systems Private Limited (JBS). SirenApp help people in emergencies by connecting them to relevant authorities like Ambulance, Fire, Police, Sui Gas, electric and few others. Not only will Siren connect you to the emergency agencies on a click of a button, it will also send the accurate location of emergency spot to them ensuring that help arrives at the right spot without any delay. With Siren, you can also preset three of your family/friends numbers who will be instantly notified in case you are caught up in any emergency.

About

EJBMS PRO

Features
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The Apps main feature is to monitor the details of the E&J Lithium batteries. It can monitor multiple batteries at the same time, showing the main data details after series or parallel, showing details of each battery. Re-nameable each battery pack and auto-connect. The Phone via Bluetooth connectivity will monitor the following information from the battery. Battery Capacity Battery Voltage Battery Current (Amps) Battery State of Charge (SOC) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles Please Note: Only one mobile device can connect to the battery at any one time. If you wish to connect a second device to the battery, you must close the program on the first device. This app is only applicable to the E&J Lithium batteries and will not work with any other brand/type of Bluetooth battery monitoring system, nor will any other branded app work with the E&J lithium battery.

Screenshots

SirenApp3 screens
EJBMS PRO4 screens

Verdict

The call

The clearest difference is update cadence: SirenApp at every 5 days against EJBMS PRO's every 11 months. SirenApp also leads on iOS requirement (10.0 vs 12.0). 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

SirenApp ships an update every 5 days, EJBMS PRO every 11 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level
SirenApp versus EJBMS PRO: the parameters behind the verdict, then further details
ParameterSirenAppEJBMS PRO
PriceFreeFree
Update frequencyEvery 5 days — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size38 MB43 MB
Age rating4+4+
DeveloperJAFFER BUSINESS SYSTEMS (PRIVATE) LIMITEDE&Jtechnology

In-app purchases

None

SirenApp

No in-app purchases

None

EJBMS PRO

No in-app purchases

Questions

Is SirenApp free?
SirenApp is free to download, with no in-app purchases.
Is EJBMS PRO free?
EJBMS PRO is free to download, with no in-app purchases.
Do SirenApp or EJBMS PRO have ads?
Neither SirenApp nor EJBMS PRO shows ads.
Which is updated more often, SirenApp or EJBMS PRO?
SirenApp ships an update every 5 days, and EJBMS PRO every 11 months. Most recently, SirenApp was updated on October 26, 2026 and EJBMS PRO on October 25, 2026.

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