Comparison

DefensorRD vs SJ IPv4 Calculator

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

Head to head

Netmask, CIDR & IP Range

Free

🔧 Utilities

No ratingsView app →

About

DefensorRD

Features

Read full description

Aplicación para reportes ciudadanos, y el tratamiento o soporte de los mismos desde las oficinas del Defensor del Pueblo de la República Dominicana.

About

SJ IPv4 Calculator

Features

Read full description

############################# # IPV4 CALCULATOR # ############################# The essential tool for IT professionals and students! IPv4 Calculator allows you to instantly calculate your subnet details (Netmask, CIDR, Broadcast, IP Range). +----------------------------------------+ | WHY THIS APPLICATION? | +----------------------------------------+ [ BIDIRECTIONAL CALCULATION ] - Enter a classic mask (255.255.255.0) or CIDR (/24). - Automatic conversion in both directions. [ INSTANT RESULTS ] - Immediately get the Broadcast and usable IP range. - No "Calculate" button, everything is in real-time. [ SIMPLE AND PROFESSIONAL ] - Clean and efficient interface. - Ideal for network technicians and system admins. Download it today!

Screenshots

DefensorRD2 screens

SJ IPv4 Calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: DefensorRD at none against SJ IPv4 Calculator's 5. DefensorRD also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). On price, update cadence 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. SJ IPv4 Calculator sells 5 one-off in-app purchases. DefensorRD asks for nothing beyond the download.

UpkeepUpdate frequency

DefensorRD ships an update every 8 days, SJ IPv4 Calculator weekly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level

DefensorRD versus SJ IPv4 Calculator: the parameters behind the verdict, then further details
Parameter	DefensorRD	SJ IPv4 Calculator
Price	Free	Free
Update frequency	Every 8 days	Weekly — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	12.0 — better	16.0
Further details — not scored
Size	19 MB	4 MB
Age rating	4+	4+
Developer	Defensor Del Pueblo (Republica Dominicana)	Stephane JAILLIARD

In-app purchases

None

DefensorRD

No in-app purchases

5 purchases

SJ IPv4 Calculator

One-time5

A coffee$0.99
A cookie$2.99
A lemon tart$4.99

Show 2 more

No ads$4.99
A pizza$9.99

Questions

Is DefensorRD free?

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

Is SJ IPv4 Calculator free?

SJ IPv4 Calculator is free to download, with in-app purchases available.

Do DefensorRD or SJ IPv4 Calculator have ads?

SJ IPv4 Calculator shows ads; DefensorRD does not.

Which is updated more often, DefensorRD or SJ IPv4 Calculator?

DefensorRD ships an update every 8 days, and SJ IPv4 Calculator weekly. Most recently, DefensorRD was updated on October 4, 2026 and SJ IPv4 Calculator on October 7, 2026.